Document latest changes

docs/modules/configuration/pages/announce/discord.adoc

@@ -57,6 +57,12 @@ announce:
     # Defaults to `src/jreleaser/templates/discord.tpl`.
     # icon:dot-circle[]
     messageTemplate: path/to/template/discord.tpl
+
+    # Additional properties used when evaluating templates.
+    # icon:dot-circle[] icon:file-alt[]
+    extraProperties:
+      # Key will be capitalized and prefixed with `discord`, i.e, `discordFoo`.
+      foo: bar
 ----
 TOML::
 +
@@ -98,6 +104,11 @@ TOML::
   # Defaults to `src/jreleaser/templates/discord.tpl`.
   # icon:dot-circle[]
   messageTemplate = "path/to/template/discord.tpl"
+
+  # Additional properties used when evaluating templates.
+  # icon:dot-circle[] icon:file-alt[]
+  extraProperties.foo = "bar"
+  # Key will be capitalized and prefixed with `discord`, i.e, `discordFoo`.
 ----
 JSON::
 +
@@ -140,7 +151,14 @@ JSON::
       // Review the available xref:configuration:name-templates.adoc[].
       // Defaults to `src/jreleaser/templates/discord.tpl`.
       // icon:dot-circle[]
-      "messageTemplate": "path/to/template/discord.tpl"
+      "messageTemplate": "path/to/template/discord.tpl",
+
+      // Additional properties used when evaluating templates.
+      // icon:dot-circle[] icon:file-alt[]
+      "extraProperties": {
+        // Key will be capitalized and prefixed with `discord`, i.e, `discordFoo`.
+        "foo": "bar"
+      }
     }
   }
 }
@@ -203,6 +221,17 @@ Maven::
         icon:dot-circle[]
       -->
       <messageTemplate>path/to/template/discord.tpl</messageTemplate>
+
+      <!--
+        Additional properties used when evaluating templates.
+        icon:dot-circle[] icon:file-alt[]
+      -->
+      <extraProperties>
+        <!--
+          Key will be capitalized and prefixed with `discord`, i.e, `discordFoo`.
+        -->
+        <foo>bar</foo>
+      </extraProperties>
     </discord>
   </announce>
 </jreleaser>
@@ -249,6 +278,11 @@ jreleaser {
       // Defaults to `src/jreleaser/templates/discord.tpl`.
       // icon:dot-circle[]
       messageTemplate = 'path/to/template/discord.tpl'
+
+      // Additional properties used when evaluating templates.
+      // Key will be capitalized and prefixed with `discord`, i.e, `discordFoo`.
+      // icon:dot-circle[] icon:file-alt[]
+      extraProperties.put('foo', 'bar')
     }
   }
 }

docs/modules/configuration/pages/announce/discussions.adoc

@@ -55,6 +55,12 @@ announce:
     # Defaults to `src/jreleaser/templates/discussions.tpl`.
     # icon:dot-circle[]
     messageTemplate: path/to/template/discussions.tpl
+
+    # Additional properties used when evaluating templates.
+    # icon:dot-circle[] icon:file-alt[]
+    extraProperties:
+      # Key will be capitalized and prefixed with `discussions`, i.e, `discussionsFoo`.
+      foo: bar
 ----
 TOML::
 +
@@ -103,6 +109,11 @@ TOML::
   # Defaults to `src/jreleaser/templates/discussions.tpl`.
   # icon:dot-circle[]
   messageTemplate = "path/to/template/discussions.tpl"
+
+  # Additional properties used when evaluating templates.
+  # icon:dot-circle[] icon:file-alt[]
+  extraProperties.foo = "bar"
+  # Key will be capitalized and prefixed with `discussions`, i.e, `discussionsFoo`.
 ----
 JSON::
 +
@@ -152,7 +163,14 @@ JSON::
       // Review the available xref:configuration:name-templates.adoc[].
       // Defaults to `src/jreleaser/templates/discussions.tpl`.
       // icon:dot-circle[]
-      "messageTemplate": "path/to/template/discussions.tpl"
+      "messageTemplate": "path/to/template/discussions.tpl",
+
+      // Additional properties used when evaluating templates.
+      // icon:dot-circle[] icon:file-alt[]
+      "extraProperties": {
+        // Key will be capitalized and prefixed with `discussions`, i.e, `discussionsFoo`.
+        "foo": "bar"
+      }
     }
   }
 }
@@ -227,6 +245,17 @@ Maven::
         icon:dot-circle[]
       -->
       <messageTemplate>path/to/template/discussions.tpl</messageTemplate>
+
+      <!--
+        Additional properties used when evaluating templates.
+        icon:dot-circle[] icon:file-alt[]
+      -->
+      <extraProperties>
+        <!--
+          Key will be capitalized and prefixed with `discussions`, i.e, `discussionsFoo`.
+        -->
+        <foo>bar</foo>
+      </extraProperties>
     </discussions>
   </announce>
 </jreleaser>
@@ -280,6 +309,11 @@ jreleaser {
       // Defaults to `src/jreleaser/templates/discussions.tpl`.
       // icon:dot-circle[]
       messageTemplate = 'path/to/template/discussions.tpl'
+
+      // Additional properties used when evaluating templates.
+      // Key will be capitalized and prefixed with `discussions`, i.e, `discussionsFoo`.
+      // icon:dot-circle[] icon:file-alt[]
+      extraProperties.put('foo', 'bar')
     }
   }
 }

docs/modules/configuration/pages/announce/gitter.adoc

@@ -56,6 +56,12 @@ announce:
     # Defaults to `src/jreleaser/templates/gitter.tpl`.
     # icon:dot-circle[]
     messageTemplate: path/to/template/gitter.tpl
+
+    # Additional properties used when evaluating templates.
+    # icon:dot-circle[] icon:file-alt[]
+    extraProperties:
+      # Key will be capitalized and prefixed with `gitter`, i.e, `gitterFoo`.
+      foo: bar
 ----
 TOML::
 +
@@ -97,6 +103,11 @@ TOML::
   # Defaults to `src/jreleaser/templates/gitter.tpl`.
   # icon:dot-circle[]
   messageTemplate = "path/to/template/gitter.tpl"
+
+  # Additional properties used when evaluating templates.
+  # icon:dot-circle[] icon:file-alt[]
+  extraProperties.foo = "bar"
+  # Key will be capitalized and prefixed with `gitter`, i.e, `gitterFoo`.
 ----
 JSON::
 +
@@ -139,7 +150,14 @@ JSON::
       // Review the available xref:configuration:name-templates.adoc[].
       // Defaults to `src/jreleaser/templates/gitter.tpl`.
       // icon:dot-circle[]
-      "messageTemplate": "path/to/template/gitter.tpl"
+      "messageTemplate": "path/to/template/gitter.tpl",
+
+      // Additional properties used when evaluating templates.
+      // icon:dot-circle[] icon:file-alt[]
+      "extraProperties": {
+        // Key will be capitalized and prefixed with `gitter`, i.e, `gitterFoo`.
+        "foo": "bar"
+      }
     }
   }
 }
@@ -202,6 +220,17 @@ Maven::
         icon:dot-circle[]
       -->
       <messageTemplate>path/to/template/gitter.tpl</messageTemplate>
+
+      <!--
+        Additional properties used when evaluating templates.
+        icon:dot-circle[] icon:file-alt[]
+      -->
+      <extraProperties>
+        <!--
+          Key will be capitalized and prefixed with `gitter`, i.e, `gitterFoo`.
+        -->
+        <foo>bar</foo>
+      </extraProperties>
     </gitter>
   </announce>
 </jreleaser>
@@ -248,6 +277,11 @@ jreleaser {
       // Defaults to `src/jreleaser/templates/gitter.tpl`.
       // icon:dot-circle[]
       messageTemplate = 'path/to/template/gitter.tpl'
+
+      // Additional properties used when evaluating templates.
+      // Key will be capitalized and prefixed with `gitter`, i.e, `gitterFoo`.
+      // icon:dot-circle[] icon:file-alt[]
+      extraProperties.put('foo', 'bar')
     }
   }
 }

docs/modules/configuration/pages/announce/mail.adoc

@@ -99,6 +99,12 @@ announce:
     # icon:dot-circle[]
     properties:
       'mail.smtp.starttls.enable': true
+
+    # Additional properties used when evaluating templates.
+    # icon:dot-circle[] icon:file-alt[]
+    extraProperties:
+      # Key will be capitalized and prefixed with `mail`, i.e, `mailFoo`.
+      foo: bar
 ----
 TOML::
 +
@@ -191,6 +197,11 @@ TOML::
   # Use this field to set properties such as `mail.smtp.starttls.enable`.
   # icon:dot-circle[]
   properties."mail.smtp.starttls.enable" = "true"
+
+  # Additional properties used when evaluating templates.
+  # icon:dot-circle[] icon:file-alt[]
+  extraProperties.foo = "bar"
+  # Key will be capitalized and prefixed with `mail`, i.e, `mailFoo`.
 ----
 JSON::
 +
@@ -284,6 +295,13 @@ JSON::
       // icon:dot-circle[]
       "properties": {
         "mail.smtp.starttls.enable": true
+      },
+
+      // Additional properties used when evaluating templates.
+      // icon:dot-circle[] icon:file-alt[]
+      "extraProperties": {
+        // Key will be capitalized and prefixed with `mail`, i.e, `mailFoo`.
+        "foo": "bar"
       }
     }
   }
@@ -421,6 +439,17 @@ Maven::
       <properties>
         <mail.smtp.starttls.enable>true</mail.smtp.starttls.enable>
       </properties>
+
+      <!--
+        Additional properties used when evaluating templates.
+        icon:dot-circle[] icon:file-alt[]
+      -->
+      <extraProperties>
+        <!--
+          Key will be capitalized and prefixed with `mail`, i.e, `mailFoo`.
+        -->
+        <foo>bar</foo>
+      </extraProperties>
     </mail>
   </announce>
 </jreleaser>
@@ -518,6 +547,11 @@ jreleaser {
       // Use this field to set properties such as `mail.smtp.starttls.enable`.
       // icon:dot-circle[]
       properties.put('mail.smtp.starttls.enable', 'true')
+
+      // Additional properties used when evaluating templates.
+      // Key will be capitalized and prefixed with `mail`, i.e, `mailFoo`.
+      // icon:dot-circle[] icon:file-alt[]
+      extraProperties.put('foo', 'bar')
     }
   }
 }

docs/modules/configuration/pages/announce/mastodon.adoc

@@ -45,6 +45,12 @@ announce:
     # Review the available xref:configuration:name-templates.adoc[].
     # icon:dot-circle[] icon:file-alt[]
     status: icon:rocket[] {{projectNameCapitalized}} {{projectVersion}} has been released! {{releaseNotesUrl}}
+
+    # Additional properties used when evaluating templates.
+    # icon:dot-circle[] icon:file-alt[]
+    extraProperties:
+      # Key will be capitalized and prefixed with `mastodon`, i.e, `mastodonFoo`.
+      foo: bar
 ----
 TOML::
 +
@@ -84,6 +90,11 @@ TOML::
   # Review the available xref:configuration:name-templates.adoc[].
   # icon:dot-circle[] icon:file-alt[]
   status = "icon:rocket[] {{projectNameCapitalized}} {{projectVersion}} has been released! {{releaseNotesUrl}}"
+
+  # Additional properties used when evaluating templates.
+  # icon:dot-circle[] icon:file-alt[]
+  extraProperties.foo = "bar"
+  # Key will be capitalized and prefixed with `mastodon`, i.e, `mastodonFoo`.
 ----
 JSON::
 +
@@ -124,7 +135,14 @@ JSON::
       // The announcement status.
       // Review the available xref:configuration:name-templates.adoc[].
       // icon:dot-circle[] icon:file-alt[]
-      "status": "icon:rocket[] {{projectNameCapitalized}} {{projectVersion}} has been released! {{releaseNotesUrl}}"
+      "status": "icon:rocket[] {{projectNameCapitalized}} {{projectVersion}} has been released! {{releaseNotesUrl}}",
+
+      // Additional properties used when evaluating templates.
+      // icon:dot-circle[] icon:file-alt[]
+      "extraProperties": {
+        // Key will be capitalized and prefixed with `mastodon`, i.e, `mastodonFoo`.
+        "foo": "bar"
+      }
     }
   }
 }
@@ -186,6 +204,17 @@ Maven::
         icon:dot-circle[] icon:file-alt[]
       -->
       <status>icon:rocket[] {{projectNameCapitalized}} {{projectVersion}} has been released! {{releaseNotesUrl}}</status>
+
+      <!--
+        Additional properties used when evaluating templates.
+        icon:dot-circle[] icon:file-alt[]
+      -->
+      <extraProperties>
+        <!--
+          Key will be capitalized and prefixed with `mastodon`, i.e, `mastodonFoo`.
+        -->
+        <foo>bar</foo>
+      </extraProperties>
     </mastodon>
   </announce>
 </jreleaser>
@@ -230,6 +259,11 @@ jreleaser {
       // Review the available xref:configuration:name-templates.adoc[].
       // icon:dot-circle[] icon:file-alt[]
       status = 'icon:rocket[] {{projectNameCapitalized}} {{projectVersion}} has been released! {{releaseNotesUrl}}'
+
+      // Additional properties used when evaluating templates.
+      // Key will be capitalized and prefixed with `mastodon`, i.e, `mastodonFoo`.
+      // icon:dot-circle[] icon:file-alt[]
+      extraProperties.put('foo', 'bar')
     }
   }
 }

docs/modules/configuration/pages/announce/mattermost.adoc

@@ -50,6 +50,12 @@ announce:
     # Defaults to `src/jreleaser/templates/mattermost.tpl`.
     # icon:dot-circle[]
     messageTemplate: path/to/template/mattermost.tpl
+
+    # Additional properties used when evaluating templates.
+    # icon:dot-circle[] icon:file-alt[]
+    extraProperties:
+      # Key will be capitalized and prefixed with `mattermost`, i.e, `mattermostFoo`.
+      foo: bar
 ----
 TOML::
 +
@@ -91,6 +97,11 @@ TOML::
   # Defaults to `src/jreleaser/templates/mattermost.tpl`.
   # icon:dot-circle[]
   messageTemplate = "path/to/template/mattermost.tpl"
+
+  # Additional properties used when evaluating templates.
+  # icon:dot-circle[] icon:file-alt[]
+  extraProperties.foo = "bar"
+  # Key will be capitalized and prefixed with `mattermost`, i.e, `mattermostFoo`.
 ----
 JSON::
 +
@@ -133,7 +144,14 @@ JSON::
       // Review the available xref:configuration:name-templates.adoc[].
       // Defaults to `src/jreleaser/templates/mattermost.tpl`.
       // icon:dot-circle[]
-      "messageTemplate": "path/to/template/mattermost.tpl"
+      "messageTemplate": "path/to/template/mattermost.tpl",
+
+      // Additional properties used when evaluating templates.
+      // icon:dot-circle[] icon:file-alt[]
+      "extraProperties": {
+        // Key will be capitalized and prefixed with `mattermost`, i.e, `mattermostFoo`.
+        "foo": "bar"
+      }
     }
   }
 }
@@ -196,6 +214,17 @@ Maven::
         icon:dot-circle[]
       -->
       <messageTemplate>path/to/template/mattermost.tpl</messageTemplate>
+
+      <!--
+        Additional properties used when evaluating templates.
+        icon:dot-circle[] icon:file-alt[]
+      -->
+      <extraProperties>
+        <!--
+          Key will be capitalized and prefixed with `mattermost`, i.e, `mattermostFoo`.
+        -->
+        <foo>bar</foo>
+      </extraProperties>
     </mattermost>
   </announce>
 </jreleaser>
@@ -242,6 +271,11 @@ jreleaser {
       // Defaults to `src/jreleaser/templates/mattermost.tpl`.
       // icon:dot-circle[]
       messageTemplate = 'path/to/template/mattermost.tpl'
+
+      // Additional properties used when evaluating templates.
+      // Key will be capitalized and prefixed with `mattermost`, i.e, `mattermostFoo`.
+      // icon:dot-circle[] icon:file-alt[]
+      extraProperties.put('foo', 'bar')
     }
   }
 }

docs/modules/configuration/pages/announce/sdkman.adoc

@@ -53,6 +53,12 @@ announce:
     # environment variable must be defined.
     # icon:exclamation-triangle[] icon:eye-slash[]
     consumerToken: __DO_NOT_SET_HERE__
+
+    # Additional properties used when evaluating templates.
+    # icon:dot-circle[] icon:file-alt[]
+    extraProperties:
+      # Key will be capitalized and prefixed with `sdkman`, i.e, `sdkmanFoo`.
+      foo: bar
 ----
 TOML::
 +
@@ -99,6 +105,11 @@ TOML::
   # environment variable must be defined.
   # icon:exclamation-triangle[] icon:eye-slash[]
   consumerToken = "__DO_NOT_SET_HERE__"
+
+  # Additional properties used when evaluating templates.
+  # icon:dot-circle[] icon:file-alt[]
+  extraProperties.foo = "bar"
+  # Key will be capitalized and prefixed with `sdkman`, i.e, `sdkmanFoo`.
 ----
 JSON::
 +
@@ -146,7 +157,14 @@ JSON::
       // If left unspecified, the `JRELEASER_SDKMAN_CONSUMER_TOKEN`
       // environment variable must be defined.
       // icon:exclamation-triangle[] icon:eye-slash[]
-      "consumerToken": "__DO_NOT_SET_HERE__"
+      "consumerToken": "__DO_NOT_SET_HERE__",
+
+      // Additional properties used when evaluating templates.
+      // icon:dot-circle[] icon:file-alt[]
+      "extraProperties": {
+        // Key will be capitalized and prefixed with `sdkman`, i.e, `sdkmanFoo`.
+        "foo": "bar"
+      }
     }
   }
 }
@@ -216,6 +234,17 @@ Maven::
         icon:exclamation-triangle[] icon:eye-slash[]
       -->
       <consumerToken>__DO_NOT_SET_HERE__</consumerToken>
+
+      <!--
+        Additional properties used when evaluating templates.
+        icon:dot-circle[] icon:file-alt[]
+      -->
+      <extraProperties>
+        <!--
+          Key will be capitalized and prefixed with `sdkman`, i.e, `sdkmanFoo`.
+        -->
+        <foo>bar</foo>
+      </extraProperties>
     </sdkman>
   </announce>
 </jreleaser>
@@ -266,6 +295,11 @@ jreleaser {
       // environment variable must be defined.
       // icon:exclamation-triangle[] icon:eye-slash[]
       consumerToken = "__DO_NOT_SET_HERE__"
+
+      // Additional properties used when evaluating templates.
+      // Key will be capitalized and prefixed with `sdkman`, i.e, `sdkmanFoo`.
+      // icon:dot-circle[] icon:file-alt[]
+      extraProperties.put('foo', 'bar')
     }
   }
 }

docs/modules/configuration/pages/announce/slack.adoc

@@ -72,6 +72,12 @@ announce:
     # Defaults to `src/jreleaser/templates/slack.tpl`.
     # icon:dot-circle[]
     messageTemplate: path/to/template/slack.tpl
+
+    # Additional properties used when evaluating templates.
+    # icon:dot-circle[] icon:file-alt[]
+    extraProperties:
+      # Key will be capitalized and prefixed with `slack`, i.e, `slackFoo`.
+      foo: bar
 ----
 TOML::
 +
@@ -124,6 +130,11 @@ TOML::
   # Defaults to `src/jreleaser/templates/slack.tpl`.
   # icon:dot-circle[]
   messageTemplate = "path/to/template/slack.tpl"
+
+  # Additional properties used when evaluating templates.
+  # icon:dot-circle[] icon:file-alt[]
+  extraProperties.foo = "bar"
+  # Key will be capitalized and prefixed with `slack`, i.e, `slackFoo`.
 ----
 JSON::
 +
@@ -177,7 +188,14 @@ JSON::
       // Review the available xref:configuration:name-templates.adoc[].
       // Defaults to `src/jreleaser/templates/slack.tpl`.
       // icon:dot-circle[]
-      "messageTemplate": "path/to/template/slack.tpl"
+      "messageTemplate": "path/to/template/slack.tpl",
+
+      // Additional properties used when evaluating templates.
+      // icon:dot-circle[] icon:file-alt[]
+      "extraProperties": {
+        // Key will be capitalized and prefixed with `slack`, i.e, `slackFoo`.
+        "foo": "bar"
+      }
     }
   }
 }
@@ -254,6 +272,17 @@ Maven::
         icon:dot-circle[]
       -->
       <messageTemplate>path/to/template/slack.tpl</messageTemplate>
+
+      <!--
+        Additional properties used when evaluating templates.
+        icon:dot-circle[] icon:file-alt[]
+      -->
+      <extraProperties>
+        <!--
+          Key will be capitalized and prefixed with `slack`, i.e, `slackFoo`.
+        -->
+        <foo>bar</foo>
+      </extraProperties>
     </slack>
   </announce>
 </jreleaser>
@@ -311,6 +340,11 @@ jreleaser {
       // Defaults to `src/jreleaser/templates/slack.tpl`.
       // icon:dot-circle[]
       messageTemplate = 'path/to/template/slack.tpl'
+
+      // Additional properties used when evaluating templates.
+      // Key will be capitalized and prefixed with `slack`, i.e, `slackFoo`.
+      // icon:dot-circle[] icon:file-alt[]
+      extraProperties.put('foo', 'bar')
     }
   }
 }

docs/modules/configuration/pages/announce/teams.adoc

@@ -52,6 +52,12 @@ announce:
     # Defaults to `src/jreleaser/templates/teams.tpl`.
     # icon:exclamation-triangle[]
     messageTemplate: path/to/template/teams.tpl
+
+    # Additional properties used when evaluating templates.
+    # icon:dot-circle[] icon:file-alt[]
+    extraProperties:
+      # Key will be capitalized and prefixed with `teams`, i.e, `teamsFoo`.
+      foo: bar
 ----
 TOML::
 +
@@ -88,6 +94,11 @@ TOML::
   # Defaults to `src/jreleaser/templates/teams.tpl`.
   # icon:exclamation-triangle[]
   messageTemplate = "path/to/template/teams.tpl"
+
+  # Additional properties used when evaluating templates.
+  # icon:dot-circle[] icon:file-alt[]
+  extraProperties.foo = "bar"
+  # Key will be capitalized and prefixed with `teams`, i.e, `teamsFoo`.
 ----
 JSON::
 +
@@ -125,7 +136,14 @@ JSON::
       // Review the available xref:configuration:name-templates.adoc[].
       // Defaults to `src/jreleaser/templates/teams.tpl`.
       // icon:dot-circle[] icon:exclamation-triangle[]
-      "messageTemplate": "path/to/template/teams.tpl"
+      "messageTemplate": "path/to/template/teams.tpl",
+
+      // Additional properties used when evaluating templates.
+      // icon:dot-circle[] icon:file-alt[]
+      "extraProperties": {
+        // Key will be capitalized and prefixed with `teams`, i.e, `teamsFoo`.
+        "foo": "bar"
+      }
     }
   }
 }
@@ -181,6 +199,17 @@ Maven::
         icon:dot-circle[] icon:exclamation-triangle[]
       -->
       <messageTemplate>path/to/template/teams.tpl</messageTemplate>
+
+      <!--
+        Additional properties used when evaluating templates.
+        icon:dot-circle[] icon:file-alt[]
+      -->
+      <extraProperties>
+        <!--
+          Key will be capitalized and prefixed with `teams`, i.e, `teamsFoo`.
+        -->
+        <foo>bar</foo>
+      </extraProperties>
     </teams>
   </announce>
 </jreleaser>
@@ -222,6 +251,11 @@ jreleaser {
       // Defaults to `src/jreleaser/templates/teams.tpl`.
       // icon:dot-circle[] icon:exclamation-triangle[]
       messageTemplate = 'path/to/template/teams.tpl'
+
+      // Additional properties used when evaluating templates.
+      // Key will be capitalized and prefixed with `teams`, i.e, `teamsFoo`.
+      // icon:dot-circle[] icon:file-alt[]
+      extraProperties.put('foo', 'bar')
     }
   }
 }

docs/modules/configuration/pages/announce/twitter.adoc

@@ -61,6 +61,12 @@ announce:
     # Review the available xref:configuration:name-templates.adoc[].
     # icon:dot-circle[] icon:file-alt[]
     status: icon:rocket[] {{projectNameCapitalized}} {{projectVersion}} has been released! {{releaseNotesUrl}}
+
+    # Additional properties used when evaluating templates.
+    # icon:dot-circle[] icon:file-alt[]
+    extraProperties:
+      # Key will be capitalized and prefixed with `twitter`, i.e, `twitterFoo`.
+      foo: bar
 ----
 TOML::
 +
@@ -114,6 +120,11 @@ TOML::
   # Review the available xref:configuration:name-templates.adoc[].
   # icon:dot-circle[] icon:file-alt[]
   status = "icon:rocket[] {{projectNameCapitalized}} {{projectVersion}} has been released! {{releaseNotesUrl}}"
+
+  # Additional properties used when evaluating templates.
+  # icon:dot-circle[] icon:file-alt[]
+  extraProperties.foo = "bar"
+  # Key will be capitalized and prefixed with `twitter`, i.e, `twitterFoo`.
 ----
 JSON::
 +
@@ -168,7 +179,14 @@ JSON::
       // The announcement message.
       // Review the available xref:configuration:name-templates.adoc[].
       // icon:dot-circle[] icon:file-alt[]
-      "status": "icon:rocket[] {{projectNameCapitalized}} {{projectVersion}} has been released! {{releaseNotesUrl}}"
+      "status": "icon:rocket[] {{projectNameCapitalized}} {{projectVersion}} has been released! {{releaseNotesUrl}}",
+
+      // Additional properties used when evaluating templates.
+      // icon:dot-circle[] icon:file-alt[]
+      "extraProperties": {
+        // Key will be capitalized and prefixed with `twitter`, i.e, `twitterFoo`.
+        "foo": "bar"
+      }
     }
   }    
 }
@@ -248,6 +266,17 @@ Maven::
         icon:dot-circle[] icon:file-alt[]
       -->
       <status>icon:rocket[] {{projectNameCapitalized}} {{projectVersion}} has been released! {{releaseNotesUrl}}</status>
+
+      <!--
+        Additional properties used when evaluating templates.
+        icon:dot-circle[] icon:file-alt[]
+      -->
+      <extraProperties>
+        <!--
+          Key will be capitalized and prefixed with `twitter`, i.e, `twitterFoo`.
+        -->
+        <foo>bar</foo>
+      </extraProperties>
     </twitter>
   </announce>
 </jreleaser>
@@ -306,6 +335,11 @@ jreleaser {
       // Review the available xref:configuration:name-templates.adoc[].
       // icon:dot-circle[] icon:file-alt[]
       status = 'icon:rocket[] {{projectNameCapitalized}} {{projectVersion}} has been released! {{releaseNotesUrl}}'
+
+      // Additional properties used when evaluating templates.
+      // Key will be capitalized and prefixed with `twitter`, i.e, `twitterFoo`.
+      // icon:dot-circle[] icon:file-alt[]
+      extraProperties.put('foo', 'bar')
     }
   }
 }

docs/modules/configuration/pages/announce/zulip.adoc

@@ -66,6 +66,12 @@ announce:
     # Defaults to `src/jreleaser/templates/zulip.tpl`.
     # icon:dot-circle[]
     messageTemplate: path/to/template/zulip.tpl
+
+    # Additional properties used when evaluating templates.
+    # icon:dot-circle[] icon:file-alt[]
+    extraProperties:
+      # Key will be capitalized and prefixed with `zulip`, i.e, `zulipFoo`.
+      foo: bar
 ----
 TOML::
 +
@@ -125,6 +131,11 @@ TOML::
   # Defaults to `src/jreleaser/templates/zulip.tpl`.
   # icon:dot-circle[]
   messageTemplate = "path/to/template/zulip.tpl"
+
+  # Additional properties used when evaluating templates.
+  # icon:dot-circle[] icon:file-alt[]
+  extraProperties.foo = "bar"
+  # Key will be capitalized and prefixed with `zulip`, i.e, `zulipFoo`.
 ----
 JSON::
 +
@@ -185,7 +196,14 @@ JSON::
       // Review the available xref:configuration:name-templates.adoc[].
       // Defaults to `src/jreleaser/templates/zulip.tpl`.
       // icon:dot-circle[]
-      "messageTemplate": "path/to/template/zulip.tpl"
+      "messageTemplate": "path/to/template/zulip.tpl",
+
+      // Additional properties used when evaluating templates.
+      // icon:dot-circle[] icon:file-alt[]
+      "extraProperties": {
+        // Key will be capitalized and prefixed with `zulip`, i.e, `zulipFoo`.
+        "foo": "bar"
+      }
     }
   }
 }
@@ -275,6 +293,17 @@ Maven::
         icon:dot-circle[]
       -->
       <messageTemplate>path/to/template/zulip.tpl</messageTemplate>
+
+      <!--
+        Additional properties used when evaluating templates.
+        icon:dot-circle[] icon:file-alt[]
+      -->
+      <extraProperties>
+        <!--
+          Key will be capitalized and prefixed with `zulip`, i.e, `zulipFoo`.
+        -->
+        <foo>bar</foo>
+      </extraProperties>
     </zulip>
   </announce>
 </jreleaser>
@@ -339,6 +368,11 @@ jreleaser {
       // Defaults to `src/jreleaser/templates/zulip.tpl`.
       // icon:dot-circle[]
       messageTemplate = 'path/to/template/zulip.tpl'
+
+      // Additional properties used when evaluating templates.
+      // Key will be capitalized and prefixed with `zulip`, i.e, `zulipFoo`.
+      // icon:dot-circle[] icon:file-alt[]
+      extraProperties.put('foo', 'bar')
     }
   }
 }

docs/modules/configuration/pages/assemble/jlink.adoc

@@ -112,7 +112,7 @@ assemble:
           recursive: true
 
       # Additional properties used when evaluating templates.
-      # icon:dot-circle[]
+      # icon:dot-circle[] icon:file-alt[]
       extraProperties:
         # Key will be capitalized and prefixed with `jlink`, i.e, `jlinkFoo`.
         foo: bar
@@ -240,7 +240,7 @@ TOML::
     recursive = true
 
   # Additional properties used when evaluating templates.
-  # icon:dot-circle[]
+  # icon:dot-circle[] icon:file-alt[]
   extraProperties.foo = "bar"
   # Key will be capitalized and prefixed with `jlink`, i.e, `jlinkFoo`.
 
@@ -387,7 +387,7 @@ JSON::
         ],
 
         // Additional properties used when evaluating templates.
-        // icon:dot-circle[]
+        // icon:dot-circle[] icon:file-alt[]
         "extraProperties": {
           // Key will be capitalized and prefixed with `jlink`, i.e, `jlinkFoo`.
           "foo": "bar"
@@ -589,7 +589,7 @@ Maven::
 
         <!--
           Additional properties used when evaluating templates.
-          icon:dot-circle[]
+          icon:dot-circle[] icon:file-alt[]
         -->
         <extraProperties>
           <!--
@@ -762,7 +762,7 @@ jreleaser {
 
         // Additional properties used when evaluating templates.
         // Key will be capitalized and prefixed with `jlink`, i.e, `jlinkFoo`.
-        // icon:dot-circle[]
+        // icon:dot-circle[] icon:file-alt[]
         extraProperties.put('foo', 'bar')
 
         // icon:dot-circle[]

docs/modules/configuration/pages/assemble/native-image.adoc

@@ -80,7 +80,7 @@ assemble:
           recursive: true
 
       # Additional properties used when evaluating templates.
-      # icon:dot-circle[]
+      # icon:dot-circle[] icon:file-alt[]
       extraProperties:
         # Key will be capitalized and prefixed with `nativeImage`, i.e, `nativeImageFoo`.
         foo: bar
@@ -181,7 +181,7 @@ TOML::
     recursive = true
 
   # Additional properties used when evaluating templates.
-  # icon:dot-circle[]
+  # icon:dot-circle[] icon:file-alt[]
   extraProperties.foo = "bar"
   # Key will be capitalized and prefixed with `nativeImage`, i.e, `nativeImageFoo`.
 
@@ -292,7 +292,7 @@ JSON::
         ],
 
         // Additional properties used when evaluating templates.
-        // icon:dot-circle[]
+        // icon:dot-circle[] icon:file-alt[]
         "extraProperties": {
           // Key will be capitalized and prefixed with `nativeImage`, i.e, `nativeImageFoo`.
           "foo": "bar"
@@ -450,7 +450,7 @@ Maven::
 
         <!--
           Additional properties used when evaluating templates.
-          icon:dot-circle[]
+          icon:dot-circle[] icon:file-alt[]
         -->
         <extraProperties>
           <!--
@@ -588,7 +588,7 @@ jreleaser {
 
         // Additional properties used when evaluating templates.
         // Key will be capitalized and prefixed with `nativeImage`, i.e, `nativeImageFoo`.
-        // icon:dot-circle[]
+        // icon:dot-circle[] icon:file-alt[]
         extraProperties.put('foo', 'bar')
 
         // icon:dot-circle[]

docs/modules/configuration/pages/distributions.adoc

@@ -47,7 +47,7 @@ distributions:
       - awesome
 
     # Additional properties used when evaluating templates.
-    # icon:dot-circle[]
+    # icon:dot-circle[] icon:file-alt[]
     extraProperties:
       # Key will be capitalized and prefixed with `distribution`, i.e, `distributionFoo`.
       foo: bar
@@ -126,7 +126,7 @@ TOML::
   tags = ["cli", "awesome"]
 
   # Additional properties used when evaluating templates.
-  # icon:dot-circle[]
+  # icon:dot-circle[] icon:file-alt[]
   extraProperties.foo = "bar"
   # Key will be capitalized and prefixed with `distribution`, i.e, `distributionFoo`.
 
@@ -206,7 +206,7 @@ JSON::
       ],
 
       // Additional properties used when evaluating templates.
-      // icon:dot-circle[]
+      // icon:dot-circle[] icon:file-alt[]
       "extraProperties": {
         // Key will be capitalized and prefixed with `distribution`, i.e, `distributionFoo`.
         "foo": "bar"
@@ -317,7 +317,7 @@ Maven::
 
       <!--
         Additional properties used when evaluating templates.
-        icon:dot-circle[]
+        icon:dot-circle[] icon:file-alt[]
       -->
       <extraProperties>
         <!--
@@ -434,7 +434,7 @@ jreleaser {
 
       // Additional properties used when evaluating templates.
       // Key will be capitalized and prefixed with `distribution`, i.e, `distributionFoo`.
-      // icon:dot-circle[]
+      // icon:dot-circle[] icon:file-alt[]
       extraProperties.put('foo', 'bar')
 
       // A list of artifacts.

docs/modules/configuration/pages/name-templates.adoc

@@ -112,6 +112,8 @@ The following names are related to xref:configuration:project.adoc[]
 | projectLongDescription  | the project long description
 | projectWebsite          | link to the project website
 | projectLicense          | the project license, typically an SPDX identifier
+| projectCopyright        | the project copyright notice
+| projectDocsUrl          | link to the project's documentation
 | projectAuthorsBySpace   | space separated list of author names
 | projectAuthorsByComma   | commma separated list of author names
 | projectTagsBySpace      | space separate list of project tags
@@ -292,8 +294,8 @@ The following names are related to detected OS/Platform settings
 [%header, cols="<2,<5", width="100%"]
 |===
 | Key        | Description
-| osName     | value of System.getProperty("os.name")
-| osArch     | value of System.getProperty("os.arch")
+| osName     | normalized value of System.getProperty("os.name")
+| osArch     | normalized value of System.getProperty("os.arch")
 | osPlatform | combination of `${osName}-${osArch}`
 | osVersion  | value of System.getProperty("os.version")
 |===
@@ -1299,4 +1301,825 @@ jreleaser {
   }
 }
 ----
-====
+====
+
+== Discord
+
+Every key/value from `discord.extraProperties` is mapped with `discord` as key prefix and the capitalized
+key, such that
+
+[tabs]
+====
+YAML::
++
+[source,yaml]
+[subs="+macros"]
+----
+announce:
+  discord:
+    extraProperties:
+      # Key will be capitalized and prefixed
+      # with `discord`, i.e, `discordFoo`.
+      foo: bar
+----
+TOML::
++
+[source,toml]
+[subs="+macros"]
+----
+[announce.discord]
+  # Key will be capitalized and prefixed
+  # with `discord`, i.e, `discordFoo`.
+  extraProperties.foo = "bar"
+----
+JSON::
++
+[source,json]
+[subs="+macros"]
+----
+{
+  "announce": {
+    "discord": {
+      "extraProperties": {
+        // Key will be capitalized and prefixed
+        // with `discord`, i.e, `discordFoo`.
+        "foo": "bar"
+      }
+    }
+  }
+}
+----
+Maven::
++
+[source,xml]
+[subs="+macros,verbatim"]
+----
+<jreleaser>
+  <announce>
+    <discord>
+      <extraProperties>
+        <!--
+          Key will be capitalized and prefixed
+          with `discord`, i.e, `discordFoo`.
+        -->
+        <foo>bar</foo>
+      </extraProperties>
+    </discord>
+  </announce>
+</jreleaser>
+----
+Gradle::
++
+[source,groovy]
+[subs="+macros"]
+----
+jreleaser {
+  announce {
+    discord {
+      // Key will be capitalized and prefixed
+      // with `discord`, i.e, `discordFoo`.
+      extraProperties.put('foo', 'bar')
+    }
+  }
+}
+----
+====
+
+== Discussions
+
+Every key/value from `discussions.extraProperties` is mapped with `discussions` as key prefix and the capitalized
+key, such that
+
+[tabs]
+====
+YAML::
++
+[source,yaml]
+[subs="+macros"]
+----
+announce:
+  discussions:
+    extraProperties:
+      # Key will be capitalized and prefixed
+      # with `discussions`, i.e, `discussionsFoo`.
+      foo: bar
+----
+TOML::
++
+[source,toml]
+[subs="+macros"]
+----
+[announce.discussions]
+  # Key will be capitalized and prefixed
+  # with `discussions`, i.e, `discussionsFoo`.
+  extraProperties.foo = "bar"
+----
+JSON::
++
+[source,json]
+[subs="+macros"]
+----
+{
+  "announce": {
+    "discussions": {
+      "extraProperties": {
+        // Key will be capitalized and prefixed
+        // with `discussions`, i.e, `discussionsFoo`.
+        "foo": "bar"
+      }
+    }
+  }
+}
+----
+Maven::
++
+[source,xml]
+[subs="+macros,verbatim"]
+----
+<jreleaser>
+  <announce>
+    <discussions>
+      <extraProperties>
+        <!--
+          Key will be capitalized and prefixed
+          with `discussions`, i.e, `discussionsFoo`.
+        -->
+        <foo>bar</foo>
+      </extraProperties>
+    </discussions>
+  </announce>
+</jreleaser>
+----
+Gradle::
++
+[source,groovy]
+[subs="+macros"]
+----
+jreleaser {
+  announce {
+    discussions {
+      // Key will be capitalized and prefixed
+      // with `discussions`, i.e, `discussionsFoo`.
+      extraProperties.put('foo', 'bar')
+    }
+  }
+}
+----
+====
+
+== Mail
+
+Every key/value from `mail.extraProperties` is mapped with `mail` as key prefix and the capitalized
+key, such that
+
+[tabs]
+====
+YAML::
++
+[source,yaml]
+[subs="+macros"]
+----
+announce:
+  mail:
+    extraProperties:
+      # Key will be capitalized and prefixed
+      # with `mail`, i.e, `mailFoo`.
+      foo: bar
+----
+TOML::
++
+[source,toml]
+[subs="+macros"]
+----
+[announce.mail]
+  # Key will be capitalized and prefixed
+  # with `mail`, i.e, `mailFoo`.
+  extraProperties.foo = "bar"
+----
+JSON::
++
+[source,json]
+[subs="+macros"]
+----
+{
+  "announce": {
+    "mail": {
+      "extraProperties": {
+        // Key will be capitalized and prefixed
+        // with `mail`, i.e, `mailFoo`.
+        "foo": "bar"
+      }
+    }
+  }
+}
+----
+Maven::
++
+[source,xml]
+[subs="+macros,verbatim"]
+----
+<jreleaser>
+  <announce>
+    <mail>
+      <extraProperties>
+        <!--
+          Key will be capitalized and prefixed
+          with `mail`, i.e, `mailFoo`.
+        -->
+        <foo>bar</foo>
+      </extraProperties>
+    </mail>
+  </announce>
+</jreleaser>
+----
+Gradle::
++
+[source,groovy]
+[subs="+macros"]
+----
+jreleaser {
+  announce {
+    mail {
+      // Key will be capitalized and prefixed
+      // with `mail`, i.e, `mailFoo`.
+      extraProperties.put('foo', 'bar')
+    }
+  }
+}
+----
+====
+
+== Mastodon
+
+Every key/value from `mastodon.extraProperties` is mapped with `mastodon` as key prefix and the capitalized
+key, such that
+
+[tabs]
+====
+YAML::
++
+[source,yaml]
+[subs="+macros"]
+----
+announce:
+  mastodon:
+    extraProperties:
+      # Key will be capitalized and prefixed
+      # with `mastodon`, i.e, `mastodonFoo`.
+      foo: bar
+----
+TOML::
++
+[source,toml]
+[subs="+macros"]
+----
+[announce.mastodon]
+  # Key will be capitalized and prefixed
+  # with `mastodon`, i.e, `mastodonFoo`.
+  extraProperties.foo = "bar"
+----
+JSON::
++
+[source,json]
+[subs="+macros"]
+----
+{
+  "announce": {
+    "mastodon": {
+      "extraProperties": {
+        // Key will be capitalized and prefixed
+        // with `mastodon`, i.e, `mastodonFoo`.
+        "foo": "bar"
+      }
+    }
+  }
+}
+----
+Maven::
++
+[source,xml]
+[subs="+macros,verbatim"]
+----
+<jreleaser>
+  <announce>
+    <mastodon>
+      <extraProperties>
+        <!--
+          Key will be capitalized and prefixed
+          with `mastodon`, i.e, `mastodonFoo`.
+        -->
+        <foo>bar</foo>
+      </extraProperties>
+    </mastodon>
+  </announce>
+</jreleaser>
+----
+Gradle::
++
+[source,groovy]
+[subs="+macros"]
+----
+jreleaser {
+  announce {
+    mastodon {
+      // Key will be capitalized and prefixed
+      // with `mastodon`, i.e, `mastodonFoo`.
+      extraProperties.put('foo', 'bar')
+    }
+  }
+}
+----
+====
+
+== Mattermost
+
+Every key/value from `mattermost.extraProperties` is mapped with `mattermost` as key prefix and the capitalized
+key, such that
+
+[tabs]
+====
+YAML::
++
+[source,yaml]
+[subs="+macros"]
+----
+announce:
+  mattermost:
+    extraProperties:
+      # Key will be capitalized and prefixed
+      # with `mattermost`, i.e, `mattermostFoo`.
+      foo: bar
+----
+TOML::
++
+[source,toml]
+[subs="+macros"]
+----
+[announce.mattermost]
+  # Key will be capitalized and prefixed
+  # with `mattermost`, i.e, `mattermostFoo`.
+  extraProperties.foo = "bar"
+----
+JSON::
++
+[source,json]
+[subs="+macros"]
+----
+{
+  "announce": {
+    "mattermost": {
+      "extraProperties": {
+        // Key will be capitalized and prefixed
+        // with `mattermost`, i.e, `mattermostFoo`.
+        "foo": "bar"
+      }
+    }
+  }
+}
+----
+Maven::
++
+[source,xml]
+[subs="+macros,verbatim"]
+----
+<jreleaser>
+  <announce>
+    <mattermost>
+      <extraProperties>
+        <!--
+          Key will be capitalized and prefixed
+          with `mattermost`, i.e, `mattermostFoo`.
+        -->
+        <foo>bar</foo>
+      </extraProperties>
+    </mattermost>
+  </announce>
+</jreleaser>
+----
+Gradle::
++
+[source,groovy]
+[subs="+macros"]
+----
+jreleaser {
+  announce {
+    mattermost {
+      // Key will be capitalized and prefixed
+      // with `mattermost`, i.e, `mattermostFoo`.
+      extraProperties.put('foo', 'bar')
+    }
+  }
+}
+----
+====
+
+== Sdkman
+
+Every key/value from `sdkman.extraProperties` is mapped with `sdkman` as key prefix and the capitalized
+key, such that
+
+[tabs]
+====
+YAML::
++
+[source,yaml]
+[subs="+macros"]
+----
+announce:
+  sdkman:
+    extraProperties:
+      # Key will be capitalized and prefixed
+      # with `sdkman`, i.e, `sdkmanFoo`.
+      foo: bar
+----
+TOML::
++
+[source,toml]
+[subs="+macros"]
+----
+[announce.sdkman]
+  # Key will be capitalized and prefixed
+  # with `sdkman`, i.e, `sdkmanFoo`.
+  extraProperties.foo = "bar"
+----
+JSON::
++
+[source,json]
+[subs="+macros"]
+----
+{
+  "announce": {
+    "sdkman": {
+      "extraProperties": {
+        // Key will be capitalized and prefixed
+        // with `sdkman`, i.e, `sdkmanFoo`.
+        "foo": "bar"
+      }
+    }
+  }
+}
+----
+Maven::
++
+[source,xml]
+[subs="+macros,verbatim"]
+----
+<jreleaser>
+  <announce>
+    <sdkman>
+      <extraProperties>
+        <!--
+          Key will be capitalized and prefixed
+          with `sdkman`, i.e, `sdkmanFoo`.
+        -->
+        <foo>bar</foo>
+      </extraProperties>
+    </sdkman>
+  </announce>
+</jreleaser>
+----
+Gradle::
++
+[source,groovy]
+[subs="+macros"]
+----
+jreleaser {
+  announce {
+    sdkman {
+      // Key will be capitalized and prefixed
+      // with `sdkman`, i.e, `sdkmanFoo`.
+      extraProperties.put('foo', 'bar')
+    }
+  }
+}
+----
+====
+
+== Slack
+
+Every key/value from `slack.extraProperties` is mapped with `slack` as key prefix and the capitalized
+key, such that
+
+[tabs]
+====
+YAML::
++
+[source,yaml]
+[subs="+macros"]
+----
+announce:
+  slack:
+    extraProperties:
+      # Key will be capitalized and prefixed
+      # with `slack`, i.e, `slackFoo`.
+      foo: bar
+----
+TOML::
++
+[source,toml]
+[subs="+macros"]
+----
+[announce.slack]
+  # Key will be capitalized and prefixed
+  # with `slack`, i.e, `slackFoo`.
+  extraProperties.foo = "bar"
+----
+JSON::
++
+[source,json]
+[subs="+macros"]
+----
+{
+  "announce": {
+    "slack": {
+      "extraProperties": {
+        // Key will be capitalized and prefixed
+        // with `slack`, i.e, `slackFoo`.
+        "foo": "bar"
+      }
+    }
+  }
+}
+----
+Maven::
++
+[source,xml]
+[subs="+macros,verbatim"]
+----
+<jreleaser>
+  <announce>
+    <slack>
+      <extraProperties>
+        <!--
+          Key will be capitalized and prefixed
+          with `slack`, i.e, `slackFoo`.
+        -->
+        <foo>bar</foo>
+      </extraProperties>
+    </slack>
+  </announce>
+</jreleaser>
+----
+Gradle::
++
+[source,groovy]
+[subs="+macros"]
+----
+jreleaser {
+  announce {
+    slack {
+      // Key will be capitalized and prefixed
+      // with `slack`, i.e, `slackFoo`.
+      extraProperties.put('foo', 'bar')
+    }
+  }
+}
+----
+====
+
+== Teams
+
+Every key/value from `teams.extraProperties` is mapped with `teams` as key prefix and the capitalized
+key, such that
+
+[tabs]
+====
+YAML::
++
+[source,yaml]
+[subs="+macros"]
+----
+announce:
+  teams:
+    extraProperties:
+      # Key will be capitalized and prefixed
+      # with `teams`, i.e, `teamsFoo`.
+      foo: bar
+----
+TOML::
++
+[source,toml]
+[subs="+macros"]
+----
+[announce.teams]
+  # Key will be capitalized and prefixed
+  # with `teams`, i.e, `teamsFoo`.
+  extraProperties.foo = "bar"
+----
+JSON::
++
+[source,json]
+[subs="+macros"]
+----
+{
+  "announce": {
+    "teams": {
+      "extraProperties": {
+        // Key will be capitalized and prefixed
+        // with `teams`, i.e, `teamsFoo`.
+        "foo": "bar"
+      }
+    }
+  }
+}
+----
+Maven::
++
+[source,xml]
+[subs="+macros,verbatim"]
+----
+<jreleaser>
+  <announce>
+    <teams>
+      <extraProperties>
+        <!--
+          Key will be capitalized and prefixed
+          with `teams`, i.e, `teamsFoo`.
+        -->
+        <foo>bar</foo>
+      </extraProperties>
+    </teams>
+  </announce>
+</jreleaser>
+----
+Gradle::
++
+[source,groovy]
+[subs="+macros"]
+----
+jreleaser {
+  announce {
+    teams {
+      // Key will be capitalized and prefixed
+      // with `teams`, i.e, `teamsFoo`.
+      extraProperties.put('foo', 'bar')
+    }
+  }
+}
+----
+====
+
+== Twitter
+
+Every key/value from `twitter.extraProperties` is mapped with `twitter` as key prefix and the capitalized
+key, such that
+
+[tabs]
+====
+YAML::
++
+[source,yaml]
+[subs="+macros"]
+----
+announce:
+  twitter:
+    extraProperties:
+      # Key will be capitalized and prefixed
+      # with `twitter`, i.e, `twitterFoo`.
+      foo: bar
+----
+TOML::
++
+[source,toml]
+[subs="+macros"]
+----
+[announce.twitter]
+  # Key will be capitalized and prefixed
+  # with `twitter`, i.e, `twitterFoo`.
+  extraProperties.foo = "bar"
+----
+JSON::
++
+[source,json]
+[subs="+macros"]
+----
+{
+  "announce": {
+    "twitter": {
+      "extraProperties": {
+        // Key will be capitalized and prefixed
+        // with `twitter`, i.e, `twitterFoo`.
+        "foo": "bar"
+      }
+    }
+  }
+}
+----
+Maven::
++
+[source,xml]
+[subs="+macros,verbatim"]
+----
+<jreleaser>
+  <announce>
+    <twitter>
+      <extraProperties>
+        <!--
+          Key will be capitalized and prefixed
+          with `twitter`, i.e, `twitterFoo`.
+        -->
+        <foo>bar</foo>
+      </extraProperties>
+    </twitter>
+  </announce>
+</jreleaser>
+----
+Gradle::
++
+[source,groovy]
+[subs="+macros"]
+----
+jreleaser {
+  announce {
+    twitter {
+      // Key will be capitalized and prefixed
+      // with `twitter`, i.e, `twitterFoo`.
+      extraProperties.put('foo', 'bar')
+    }
+  }
+}
+----
+====
+
+== Zulip
+
+Every key/value from `zulip.extraProperties` is mapped with `zulip` as key prefix and the capitalized
+key, such that
+
+[tabs]
+====
+YAML::
++
+[source,yaml]
+[subs="+macros"]
+----
+announce:
+  zulip:
+    extraProperties:
+      # Key will be capitalized and prefixed
+      # with `zulip`, i.e, `zulipFoo`.
+      foo: bar
+----
+TOML::
++
+[source,toml]
+[subs="+macros"]
+----
+[announce.zulip]
+  # Key will be capitalized and prefixed
+  # with `zulip`, i.e, `zulipFoo`.
+  extraProperties.foo = "bar"
+----
+JSON::
++
+[source,json]
+[subs="+macros"]
+----
+{
+  "announce": {
+    "zulip": {
+      "extraProperties": {
+        // Key will be capitalized and prefixed
+        // with `zulip`, i.e, `zulipFoo`.
+        "foo": "bar"
+      }
+    }
+  }
+}
+----
+Maven::
++
+[source,xml]
+[subs="+macros,verbatim"]
+----
+<jreleaser>
+  <announce>
+    <zulip>
+      <extraProperties>
+        <!--
+          Key will be capitalized and prefixed
+          with `zulip`, i.e, `zulipFoo`.
+        -->
+        <foo>bar</foo>
+      </extraProperties>
+    </zulip>
+  </announce>
+</jreleaser>
+----
+Gradle::
++
+[source,groovy]
+[subs="+macros"]
+----
+jreleaser {
+  announce {
+    zulip {
+      // Key will be capitalized and prefixed
+      // with `zulip`, i.e, `zulipFoo`.
+      extraProperties.put('foo', 'bar')
+    }
+  }
+}
+----
+====
+

docs/modules/configuration/pages/packagers/chocolatey.adoc

@@ -35,7 +35,7 @@ packagers:
     templateDirectory: path/to/chocolatey/templates
 
     # Additional properties used when evaluating templates.
-    # icon:dot-circle[]
+    # icon:dot-circle[] icon:file-alt[]
     extraProperties:
       # Key will be capitalized and prefixed with `chocolatey`, i.e, `chocolateyFoo`.
       foo: bar
@@ -109,7 +109,7 @@ TOML::
   templateDirectory = "path/to/chocolatey/templates"
 
   # Additional properties used when evaluating templates.
-  # icon:dot-circle[]
+  # icon:dot-circle[] icon:file-alt[]
   extraProperties.foo = "bar"
   # Key will be capitalized and prefixed with `chocolatey`, i.e, `chocolateyFoo`.
 
@@ -182,7 +182,7 @@ JSON::
       "templateDirectory": "path/to/chocolatey/templates",
 
       // Additional properties used when evaluating templates.
-      // icon:dot-circle[]
+      // icon:dot-circle[] icon:file-alt[]
       "extraProperties": {
         // Key will be capitalized and prefixed with `chocolatey`, i.e, `chocolateyFoo`.
         "foo": "bar"
@@ -274,7 +274,7 @@ Maven::
 
       <!--
         Additional properties used when evaluating templates.
-        icon:dot-circle[]
+        icon:dot-circle[] icon:file-alt[]
       -->
       <extraProperties>
         <!--
@@ -382,7 +382,7 @@ jreleaser {
 
       // Additional properties used when evaluating templates.
       // Key will be capitalized and prefixed with `chocolatey`, i.e, `chocolateyFoo`.
-      // icon:dot-circle[]
+      // icon:dot-circle[] icon:file-alt[]
       extraProperties.put('foo', 'bar')
 
       // The username that can publish Chocolatey packages.

docs/modules/configuration/pages/packagers/docker.adoc

@@ -68,7 +68,7 @@ packagers:
       foo: bar
 
     # Additional properties used when evaluating templates.
-    # icon:dot-circle[]
+    # icon:dot-circle[] icon:file-alt[]
     extraProperties:
       # Key will be capitalized and prefixed with `docker`, i.e, `dockerFoo`.
       foo: bar
@@ -154,7 +154,7 @@ TOML::
   labels.foo = "bar"
 
   # Additional properties used when evaluating templates.
-  # icon:dot-circle[]
+  # icon:dot-circle[] icon:file-alt[]
   extraProperties.foo = "bar"
   # Key will be capitalized and prefixed with `docker`, i.e, `dockerFoo`.
 
@@ -249,7 +249,7 @@ JSON::
       },
 
       // Additional properties used when evaluating templates.
-      // icon:dot-circle[]
+      // icon:dot-circle[] icon:file-alt[]
       "extraProperties": {
         // Key will be capitalized and prefixed with `docker`, i.e, `dockerFoo`.
         "foo": "bar"
@@ -374,7 +374,7 @@ Maven::
 
       <!--
         Additional properties used when evaluating templates.
-        icon:dot-circle[]
+        icon:dot-circle[] icon:file-alt[]
       -->
       <extraProperties>
         <!--
@@ -484,7 +484,7 @@ jreleaser {
 
       // Additional properties used when evaluating templates.
       // Key will be capitalized and prefixed with `scoop`, i.e, `scoopFoo`.
-      // icon:dot-circle[]
+      // icon:dot-circle[] icon:file-alt[]
       extraProperties.put('foo', 'bar')
 
       // A list of docker registries where images will be published.

docs/modules/configuration/pages/packagers/homebrew.adoc

@@ -59,7 +59,7 @@ packagers:
       key4: 'null'
 
     # Additional properties used when evaluating templates.
-    # icon:dot-circle[]
+    # icon:dot-circle[] icon:file-alt[]
     extraProperties:
       # Key will be capitalized and prefixed with `brew`, i.e, `brewFoo`.
       foo: bar
@@ -144,7 +144,7 @@ TOML::
   dependencies.key4 = "null"
 
   # Additional properties used when evaluating templates.
-  # icon:dot-circle[]
+  # icon:dot-circle[] icon:file-alt[]
   extraProperties.foo = "bar"
   # Key will be capitalized and prefixed with `brew`, i.e, `brewFoo`.
 
@@ -233,7 +233,7 @@ JSON::
       },
 
       // Additional properties used when evaluating templates.
-      // icon:dot-circle[]
+      // icon:dot-circle[] icon:file-alt[]
       "extraProperties": {
         // Key will be capitalized and prefixed with `brew`, i.e, `brewFoo`.
         "foo": "bar"
@@ -363,7 +363,7 @@ Maven::
 
       <!--
         Additional properties used when evaluating templates.
-        icon:dot-circle[]
+        icon:dot-circle[] icon:file-alt[]
       -->
       <extraProperties>
         <!--
@@ -483,7 +483,7 @@ jreleaser {
 
       // Additional properties used when evaluating templates.
       // Key will be capitalized and prefixed with `brew`, i.e, `brewFoo`.
-      // icon:dot-circle[]
+      // icon:dot-circle[] icon:file-alt[]
       extraProperties.put('foo', 'bar')
 
       // Git author used to commit to the tap repository.

docs/modules/configuration/pages/packagers/jbang.adoc

@@ -34,7 +34,7 @@ packagers:
     templateDirectory: path/to/jbang/templates
 
     # Additional properties used when evaluating templates.
-    # icon:dot-circle[]
+    # icon:dot-circle[] icon:file-alt[]
     extraProperties:
       # Key will be capitalized and prefixed with `jbang`, i.e, `jbangFoo`.
       foo: bar
@@ -104,7 +104,7 @@ TOML::
   templateDirectory = "path/to/jbang/templates"
 
   # Additional properties used when evaluating templates.
-  # icon:dot-circle[]
+  # icon:dot-circle[] icon:file-alt[]
   extraProperties.foo = "bar"
   # Key will be capitalized and prefixed with `jbang`, i.e, `jbangFoo`.
 
@@ -171,7 +171,7 @@ JSON::
       "templateDirectory": "path/to/jbang/templates",
 
       // Additional properties used when evaluating templates.
-      // icon:dot-circle[]
+      // icon:dot-circle[] icon:file-alt[]
       "extraProperties": {
         // Key will be capitalized and prefixed with `jbang`, i.e, `jbangFoo`.
         "foo": "bar"
@@ -258,7 +258,7 @@ Maven::
 
       <!--
         Additional properties used when evaluating templates.
-        icon:dot-circle[]
+        icon:dot-circle[] icon:file-alt[]
       -->
       <extraProperties>
         <!--
@@ -359,7 +359,7 @@ jreleaser {
 
       // Additional properties used when evaluating templates.
       // Key will be capitalized and prefixed with `jbang`, i.e, `jbangFoo`.
-      // icon:dot-circle[]
+      // icon:dot-circle[] icon:file-alt[]
       extraProperties.put('foo', 'bar')
 
       // The jbang executable alias.

docs/modules/configuration/pages/packagers/scoop.adoc

@@ -34,7 +34,7 @@ packagers:
     templateDirectory: path/to/scoop/templates
 
     # Additional properties used when evaluating templates.
-    # icon:dot-circle[]
+    # icon:dot-circle[] icon:file-alt[]
     extraProperties:
       # Key will be capitalized and prefixed with `scoop`, i.e, `scoopFoo`.
       foo: bar
@@ -108,7 +108,7 @@ TOML::
   templateDirectory = "path/to/scoop/templates"
 
   # Additional properties used when evaluating templates.
-  # icon:dot-circle[]
+  # icon:dot-circle[] icon:file-alt[]
   extraProperties.foo = "bar"
   # Key will be capitalized and prefixed with `scoop`, i.e, `scoopFoo`.
 
@@ -180,7 +180,7 @@ JSON::
       "templateDirectory": "path/to/scoop/templates",
 
       // Additional properties used when evaluating templates.
-      // icon:dot-circle[]
+      // icon:dot-circle[] icon:file-alt[]
       "extraProperties": {
         // Key will be capitalized and prefixed with `scoop`, i.e, `scoopFoo`.
         "foo": "bar"
@@ -272,7 +272,7 @@ Maven::
 
       <!--
         Additional properties used when evaluating templates.
-        icon:dot-circle[]
+        icon:dot-circle[] icon:file-alt[]
       -->
       <extraProperties>
         <!--
@@ -380,7 +380,7 @@ jreleaser {
 
       // Additional properties used when evaluating templates.
       // Key will be capitalized and prefixed with `scoop`, i.e, `scoopFoo`.
-      // icon:dot-circle[]
+      // icon:dot-circle[] icon:file-alt[]
       extraProperties.put('foo', 'bar')
 
       // URL used to check the latest version.

docs/modules/configuration/pages/packagers/snap.adoc

@@ -39,7 +39,7 @@ packagers:
     templateDirectory: path/to/snap/templates
 
     # Additional properties used when evaluating templates.
-    # icon:dot-circle[]
+    # icon:dot-circle[] icon:file-alt[]
     extraProperties:
       # Key will be capitalized and prefixed with `snap`, i.e, `snapFoo`.
       foo: bar
@@ -182,7 +182,7 @@ TOML::
   templateDirectory = "path/to/snap/templates"
 
   # Additional properties used when evaluating templates.
-  # icon:dot-circle[]
+  # icon:dot-circle[] icon:file-alt[]
   extraProperties.foo = "bar"
   # Key will be capitalized and prefixed with `snap`, i.e, `snapFoo`.
 
@@ -317,7 +317,7 @@ JSON::
       "templateDirectory": "path/to/snap/templates",
 
       // Additional properties used when evaluating templates.
-      // icon:dot-circle[]
+      // icon:dot-circle[] icon:file-alt[]
       "extraProperties": {
         // Key will be capitalized and prefixed with `snap`, i.e, `snapFoo`.
         "foo": "bar"
@@ -490,7 +490,7 @@ Maven::
 
       <!--
         Additional properties used when evaluating templates.
-        icon:dot-circle[]
+        icon:dot-circle[] icon:file-alt[]
       -->
       <extraProperties>
         <!--
@@ -695,7 +695,7 @@ jreleaser {
 
       // Additional properties used when evaluating templates.
       // Key will be capitalized and prefixed with `snap`, i.e, `snapFoo`.
-      // icon:dot-circle[]
+      // icon:dot-circle[] icon:file-alt[]
       extraProperties.put('foo', 'bar')
 
       // Git author used to commit to the snap repository.

docs/modules/configuration/pages/project.adoc

@@ -60,8 +60,18 @@ project:
   # icon:exclamation-triangle[] Only if configured distributions or announcers.
   license: Apache-2.0
 
-  # Additional properties used when evaluating templates.
+  # The project's copyright notice.
+  # You may set `${project.extraProperties.inceptionYear}` and `${project.authors}` instead.
   # icon:dot-circle[]
+  copyright: 2021 Duke
+
+  # The project's documentation site.
+  # Defaults to `${project.website}`.
+  # icon:dot-circle[]
+  docsUrl: pass:[https://acme.com/app/docs]
+
+  # Additional properties used when evaluating templates.
+  # icon:dot-circle[] icon:file-alt[]
   extraProperties:
     # Key will be capitalized and prefixed with `project`, i.e, `projectFoo`.
     foo: bar
@@ -151,8 +161,18 @@ TOML::
   # icon:exclamation-triangle[] Only if configured distributions or announcers.
   license = "Apache-2.0"
 
-  # Additional properties used when evaluating templates.
+  # The project's copyright notice.
+  # You may set `${project.extraProperties.inceptionYear}` and `${project.authors}` instead.
   # icon:dot-circle[]
+  copyright = "2021 Duke"
+
+  # The project's documentation site.
+  # Defaults to `${project.website}`.
+  # icon:dot-circle[]
+  docsUrl = "pass:[https://acme.com/app/docs]"
+
+  # Additional properties used when evaluating templates.
+  # icon:dot-circle[] icon:file-alt[]
   extraProperties.foo = "bar"
   # Key will be capitalized and prefixed with `project`, i.e, `projectFoo`.
 
@@ -242,8 +262,18 @@ JSON::
     // icon:exclamation-triangle[] Only if configured distributions or announcers.
     "license": "Apache-2.0",
 
-    // Additional properties used when evaluating templates.
+    // The project's copyright notice.
+    // You may set `${project.extraProperties.inceptionYear}` and `${project.authors}` instead.
     // icon:dot-circle[]
+    "copyright": "2021 Duke",
+
+    // The project's documentation site.
+    // Defaults to `${project.website}`.
+    // icon:dot-circle[]
+    "docsUrl": "pass:[https://acme.com/app/docs]",
+
+    // Additional properties used when evaluating templates.
+    // icon:dot-circle[] icon:file-alt[]
     "extraProperties": {
       // Key will be capitalized and prefixed with `project`, i.e, `projectFoo`.
       "foo": "bar"
@@ -370,9 +400,23 @@ Maven::
     <license>Apache-2.0</license>
 
     <!--
-      Additional properties used when evaluating templates.
+      The project's copyright notice.
+      You may set `${project.extraProperties.inceptionYear}` and `${project.authors}` instead.
       icon:dot-circle[]
     -->
+    <copyright>2021 Duke</copyright>
+
+    <!--
+      The project's documentation site.
+      Defaults to `${project.website}`.
+      icon:dot-circle[]
+    -->
+    <docsUrl>pass:[https://acme.com/app/docs]</docsUrl>
+
+    <!--
+      Additional properties used when evaluating templates.
+      icon:dot-circle[] icon:file-alt[]
+    -->
     <extraProperties>
       <!--
         Key will be capitalized and prefixed with `project`, i.e, `projectFoo`.
@@ -490,9 +534,19 @@ jreleaser {
     // icon:exclamation-triangle[] Only if configured distributions or announcers.
     license = 'Apache-2.0'
 
+    // The project's copyright notice.
+    // You may set `${project.extraProperties.inceptionYear}` and `${project.authors}` instead.
+    // icon:dot-circle[]
+    copyright = '2021 Duke'
+
+    // The project's documentation site.
+    // Defaults to `${project.website}`.
+    // icon:dot-circle[]
+    docsUrl = 'pass:[https://acme.com/app/docs]'
+
     // Additional properties used when evaluating templates.
     // Key will be capitalized and prefixed with `project`, i.e, `projectFoo`.
-    // icon:dot-circle[]
+    // icon:dot-circle[] icon:file-alt[]
     extraProperties.put('foo', 'bar')
 
     // Required if there are configured distributions.
@@ -550,4 +604,5 @@ there were not defined in the `jreleaser` DSL block:
 | config.info.authors       | project.authors
 | config.info.tags          | project.tags
 | config.info.licenses      | project.license
+| config.info.inceptionYear | project.extraProperties.inceptionYear
 |===

docs/modules/tools/pages/jreleaser-gradle.adoc

@@ -52,6 +52,7 @@ plugin is applied:
 | config.info.authors       | project.authors
 | config.info.tags          | project.tags
 | config.info.licenses      | project.license
+| config.info.inceptionYear | project.extraProperties.inceptionYear
 |===
 
 == Tasks

docs/modules/tools/pages/jreleaser-maven.adoc

@@ -27,13 +27,14 @@ the matching JReleaser element has not been explicitly configured:
 
 [%header, cols="<1,<1", width="100%"]
 |===
-| POM                 | JReleaser
-| project.artifactId  | project.name
-| project.version     | project.version
-| project.description | project.description
-| project.url         | project.website
-| project.groupId     | project.java.groupId
-| project.artifactId  | project.java.artifactId
+| POM                   | JReleaser
+| project.artifactId    | project.name
+| project.version       | project.version
+| project.description   | project.description
+| project.url           | project.website
+| project.groupId       | project.java.groupId
+| project.artifactId    | project.java.artifactId
+| project.inceptionYear | project.extraProperties.inceptionYear
 |===
 
 The value of `project.java.multiProject` will be set to true if the current Maven session has more than 1 project.