A new Pull Request was created by @akritkbehera for branch IB/CMSSW_15_1_X/root636.

@akritkbehera, @cmsbuild, @iarspider, @smuzaffar can you please review it and eventually sign? Thanks.
@antoniovilela, @mandrenguyen, @rappoccio, @sextonkennedy you are the release manager for this.
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Please test

+externals

it just contain root-project/root@26cc03e change which should allow us to build root636 on el10 ( which build path contains special characters)

This pull request is fully signed and it will be integrated in one of the next IB/CMSSW_15_1_X/root636 IBs after it passes the integration tests. This pull request will now be reviewed by the release team before it's merged. @rappoccio, @mandrenguyen, @sextonkennedy, @antoniovilela (and backports should be raised in the release meeting by the corresponding L2)

+1

Summary: https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-03401b/46650/summary.html
COMMIT: 889015d
CMSSW: CMSSW_15_1_ROOT636_X_2025-06-09-2300/el8_amd64_gcc12
User test area: For local testing, you can use /cvmfs/cms-ci.cern.ch/week1/cms-sw/cmsdist/9923/46650/install.sh to create a dev area with all the needed externals and cmssw changes.

The following merge commits were also included on top of IB + this PR after doing git cms-merge-topic:

• @cms-sw Update tag for L1Trigger-VertexFinder to V00-02-00 #9919
• @cms-sw Update tag for RecoBTag-Combined to V01-31-00 #9918
• @akritkbehera [ROOT636] Updated root to tip of branch v6-36-00-patches #9920
• @cms-sw Update tag for L1Trigger-L1TTrackMatch to V00-03-00 #9921

You can see more details here:
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-03401b/46650/git-recent-commits.json
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-03401b/46650/git-merge-result

Comparison Summary

Summary:

• You potentially added 243 lines to the logs
• ROOTFileChecks: Some differences in event products or their sizes found
• Reco comparison results: 1113 differences found in the comparisons
• DQMHistoTests: Total files compared: 50
• DQMHistoTests: Total histograms compared: 4048495
• DQMHistoTests: Total failures: 927
• DQMHistoTests: Total nulls: 0
• DQMHistoTests: Total successes: 4047548
• DQMHistoTests: Total skipped: 20
• DQMHistoTests: Total Missing objects: 0
• DQMHistoSizes: Histogram memory added: 0.0 KiB( 49 files compared)
• Checked 215 log files, 184 edm output root files, 50 DQM output files
• TriggerResults: found differences in 5 / 48 workflows