2.499

This is an automatically generated changelog draft for Jenkins weekly releases.
See https://www.jenkins.io/changelog/2.499/ for the official changelog for this release.

🚀 New features and improvements

• Use UpdateSite implementation for connect and preValidate (#10172) @slide

🐛 Bug fixes

• JENKINS-75321 - Clarify the message displayed when loading the content of the build history widget (#10309) @Vlatombe
• JENKINS-75273 - Fix tabs border radius (#10312) @janfaracik

All contributors: @Amor122, @MarkEWaite, @SohamJuneja, @Vlatombe, @basil, @daniel-beck, @github-actions[bot], @janfaracik, @jenkins-release-bot, @jglick, @jtnord, @krisstern, @renovate[bot], @slide, github-actions[bot], renovate[bot] and maoqingyi