The minimum required Remoting version has been increased to 4.7 (released on February 16, 2021).
(pull 7340)
Add telemetry related to distributed builds.
(issue 70199)
Add telemetry for activation of permissions that are not enabled by default.
(issue 70044)
Remove the notice in the plugin manager Updates tab about newer plugin versions not compatible with your current core version.
Limit the display of updates to plugin versions actually being offered by the update center for your core version.
(issue 62332)
Show recommended actions, such as "update affected plugins", in security warnings popup.
(pull 7046)
Jenkins no longer bundles a patched version of the deprecated Commons HttpClient 3.x library for use by plugins.
Plugins should be migrated to the native Java 11 HTTP client or updated to depend on the legacy Commons HttpClient 3.x API plugin.
(Commons HTTP Client, Apache HTTP Client)
Remove the deprecated Multijob plugin from the setup wizard.
(pull 7413)
Remove the deprecated WMI Windows Agents plugin from the setup wizard.
(pull 7414)
Do not report implied dependencies for WMI Windows Agents plugin.
(issue 70301)
Avoid unnecessary configuration save when reloading configuration from disk.
(pull 7305)
Robustness improvement regarding build number collisions.
(issue 23152)
Remove support for log rotation via SIGALRM.
The command-line argument --daemon has been removed.
(pull 7256)
Close connection on the agent if the agent's liveness ping receives no response.
(issue 70414)
Delay initialization of cryptography needed for TCP inbound agents unless and until such an agent is connected.
(pull 7514)
Delete .disabled files when uninstalling a plugin.
(issue 68194)
Fix a race condition affecting the launch of inbound agents.
(pull 7378)
Upgrade XStream from 1.4.19 to 1.4.20.
This maintenance release addresses the security vulnerabilities CVE-2022-40151 and CVE-2022-41966, causing a Denial of Service by raising a stack overflow.
It also provides new converters for Optional and Atomic types.
(XStream 1.4.20 release notes, CVE-2022-40151, CVE-2022-41966)
Upgrade Guice from 5.0.1 to 5.1.0.
Guice 5.1.0 contains eight fixes and improvements.
(Guice 5.1.0 release notes)