4.9

🚀 New features and improvements

• Allow setting of custom websocket headers (#458) @agentgonzo
• JENKINS-40700 - Enable Launcher to hold the communication protocol. (#452) @Aki-7

🐛 Bug fixes

• Define hudsonUrl in WebSocket mode to fix agent installers (#454) @jglick

📦 Dependency updates

• Update Guava (#456) @jglick

4.8

Various clean up operations and bug fixes for specific scenarios. The main changes are related to some Swarm configurations and a rarely encountered deadlock at startup.

🚀 New features and improvements

• JENKINS-40700 - Enable current engine to hold the communication protocol (#450) @Aki-7
• Disable stacktraces from ExportTable entries by default (#441) @res0nance

🐛 Bug fixes

• Allow JNLP agent endpoint resolution exceptions to be non-fatal for Swarm (#449) @basil
• JENKINS-63520 - Sequence the startup and receiving to avoid a deadlock. (#445) @jeffret-b

📦 Dependency updates

• Bump jacoco-maven-plugin from 0.8.6 to 0.8.7 (#451) @dependabot
• Bump ant from 1.10.9 to 1.10.10 (#446) @dependabot

📝 Documentation updates

• Update the url of HudsonArch-Remoting.pdf (#447) @donhui

👻 Maintenance

• Various cleanups (#442) @jvz
• Migrate from SettableFuture to CompletableFuture in tests (#444) @basil
• Add url to fix dependabot release notes (#440) @timja

4.7

Various fixes and improvements. Remote class loading should now be more resilient. Combined with a corresponding change in Jenkins, some types of reconnects with TCP agents will work better.

🚀 New features and improvements

• Remove hardcode of JKS for use other key stores (#435) @gulyaev13

🐛 Bug Fixes

• JENKINS-61103 - Retry on class resource load failures and introduce timeouts (#379) @jeffret-b
• JENKINS-64510 - Issues with TCP agent reconnects (#429) @jeffret-b

📦 Dependency updates

• Bump bc-version from 1.67 to 1.68 (#432) @dependabot
• Bump asm from 9.0 to 9.1 (#436) @dependabot
• Update to parent 1.63. (#437) @jeffret-b

📝 Documentation updates

• Undeprecate KeyUtils.fingerprint (#422) @jglick

👻 Maintenance

• Collection of various minor cleanups. (#428) @jeffret-b
• Specify jarsigner version. (#430) @jeffret-b

4.6

The 4.6 release includes various minor improvements. Mostly these involve dependency updates. There are also various additional improvements. One notable change is that a long-deprecated alias for the command-line parameter to specify the log file has finally been removed.

• Remove obsolete log alias. (#416) @jeffret-b

🐛 Bug Fixes

• JENKINS-63118 - delete /tmp/resource-xxx on exit (#393) @thomasgl-orange
• RemoteInvocationHandler.reportStats LogRecord’s could get mangled during serialization (#392) @jglick
• Add protection against missing trailing slashes when using websocket. (#391) @nzdjb

📦 Dependency updates

• Bump bc-version from 1.66 to 1.67 (#421) @dependabot
• Upgrade parent pom, fixing issue with previous one. (#420) @jeffret-b
• Update maven-assembly plugin. (#418) @jeffret-b
• Upgrade bouncy castle (#412) @jeffret-b
• Bump jacoco-maven-plugin from 0.7.9 to 0.8.6 (#411) @dependabot
• Bump commons-io from 2.2 to 2.8.0 (#409) @dependabot
• Upgrade asm (#408) @jeffret-b
• Update to the latest parent pom. (#407) @jeffret-b
• Bump tyrus-standalone-client-jdk from 1.12 to 1.17 (#403) @dependabot
• Bump maven-surefire-plugin from 3.0.0-M1 to 3.0.0-M5 (#402) @dependabot
• Bump ant from 1.8.3 to 1.10.9 (#401) @dependabot
• Bump maven-shade-plugin from 3.2.1 to 3.2.4 (#399) @dependabot
• Bump access-modifier-annotation from 1.12 to 1.16 (#398) @dependabot

📝 Documentation updates

• Improve documentation, removing more instances of 'slave' term. (#417) @jeffret-b

👻 Maintenance

• Cleanup tasks (#415) @jeffret-b
• [Hacktoberfest] Code cleanup (#413) @basil
• Take advantage of Java 5 language features (#389) @basil
• Enable Dependabot (#396) @Vlatombe
• Use Warning-NG instead of findbugs. (#397) @Vlatombe
• Remove an override attribute exists in pom.xml file since the related issue had been already fixed. (#390) @markxiaotao

4.5

A very minor change to improve code readability and maintenance. It provides no functionality changes or improvements.

This is the first release to use a fully automated pipeline on the Jenkins release system and the CDF signing certificate.

👻 Maintenance

• Add missing override annotations (#388) @basil

4.4

This release consists of minor code maintenance improvements and a log message enhancement. It provides no functionality changes or improvements.

🚀 New features and improvements

• Broaden the scope of Thread.name inclusion to whole Request.call body (#374) @jglick

👻 Maintenance

• Test cleanup and modernization. (#385 and #386) @jeffret-b
• Cleanup and modernization for RemoteClassLoader (#376, #377, and #378) @jeffret-b
• Minor JNLP parsing improving, mostly in testing (#375) @jeffret-b

4.2.1

This is an interim release between 4.2 and 4.3 containing only the WebSocket fixes for JENKINS-61409 added onto the 4.2 release.

🐛 Bug Fixes

• JENKINS-61409 - Fix WebSocket connection crash if message size is greater than 64Kb. This is a breaking change for WebSocket connections, but is not considered breaking for the agent because the WebSocket feature is still in Beta. WebSocket connections need a matching update to the master. (#373) @Vlatombe

4.3

🐛 Bug Fixes

• JENKINS-61409 - Fix WebSocket connection crash if message size is greater than 64Kb. This is a breaking change for WebSocket connections, but is not considered breaking for the agent because the WebSocket feature is still in Beta. WebSocket connections need a matching update to the master. (#373) @Vlatombe

👻 Maintenance

• Cleanup some test warnings and deprecated code (#369) @res0nance

4.2

🐛 Bug Fixes

• JENKINS-60926 - Expose the agent name via a getter. Partial fix for "Install as a service" on Windows. (#370) @jeffret-b

👻 Maintenance

• Add javax.websocket to pom.xml (#366) @jsoref
• Cleanup (#367) @jsoref

4.1

Abandoned.

Use release 4.2 instead.