2.272

Disclaimer: This is an automatically generated changelog draft for Jenkins weekly releases.
See https://jenkins.io/changelog/ for the official changelogs.
For changelog.yaml drafts see GitHub action artifacts attached to release commits.

🚨 Removed

• Remove support for queue.txt format (replaced by XML in 2009) (#5123) @oleg-nenashev
• Removed admin monitor related to ZFS (#5047) @jglick

🚀 New features and improvements

• Replaced deprecated Configuration with SystemProperties (#4962) @StefanSpieker
• Remove support for queue.txt format (replaced by XML in 2009) (#5123) @oleg-nenashev
• Winstone 5.13: Update Eclipse Jetty from 9.4.33.v20201020 to 9.4.35.v20201120 (#5122) @oleg-nenashev
• Removed admin monitor related to ZFS (#5047) @jglick

🐛 Bug Fixes

• JENKINS-64465 - Fix race condition on HudsonFilter#reset (#5131) @amuniz
• JENKINS-64445 - Fix null safety for plugin categories (#5121) @oleg-nenashev

📦 Dependency updates

• Ignore is a list for dependabot (#5127) @timja
• Bump xstream from 1.4.14 to 1.4.15 (#5115) @dependabot

All contributors: @StefanSpieker, @amuniz, @basil, @batmat, @daniel-beck, @dependabot, @dependabot[bot], @jenkins-release-bot, @jglick, @oleg-nenashev and @timja