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[cmake] feature=OFF should have hierarchical priority over (cached, or not) builtin_feature=ON

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# This Pull request: ## Changes or fixes: Fixes https://its.cern.ch/jira/browse/ROOT-10743 feature=ON can force-enable builtin_feature=OFF, but not the other way round, a warning is issued in that case now instead of...

ferdymercury

[hist] Implement AutoZoom of TH1/TH2/TH3/TAxis to filled range

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# This Pull request: ## Changes or fixes: Fixes https://github.com/root-project/root/issues/14538 ## Checklist: - [x] tested changes locally - [x] updated the docs (if necessary)

ferdymercury

[io] reduce compression buffer length

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# This Pull request: ## Changes or fixes: Explore suggestions proposed in https://github.com/root-project/root/issues/14651 However: Not sure what to change though in line `if (nout == 0 || nout >= fObjlen)...

ferdymercury

[io] Replace hardcoded 0644 permissions with 0666 to respect umask

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## Changes or fixes: Replace hardcoded 0644 file permissions with 0666 to respect system umask. This change allows the system umask to control file permissions instead of hardcoding them to...

ahmedbilal9

Inefficient de-registering of objects when plotting and using TPad

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### Explain what you would like to see improved and how. Hello, I did some profiling of the code performance when producing a lot of plots ~ 100k or so...

TomasDado

### Explain what you would like to see improved and how. The field [`fIOFeatures`](https://github.com/root-project/root/blob/1df6d55224023993c59adf911135f13e6bd99074/core/meta/inc/TFileMergeInfo.h#L54) of `TFileMergeInfo` is public while its type is defined as a private alias. In my opinion...

grasph

The [RBatchGenerator_TensorFlow.py](https://root.cern/doc/master/RBatchGenerator__TensorFlow_8py.html) tutorial is very bare bones right now. It would be better if it implements a meaningful example, like the Higgs classification with Keras in [TMVA_Higgs_Classification.C](https://root.cern/doc/master/TMVA__Higgs__Classification_8C.html). The resulting trained...

guitargeek

[Keras 3](https://pypi.org/project/keras/3.0.0/) was released in November 2023, and is until now unsupported by TMVA SOFIE. It would be good to support it, because Keras 3 is also part of TensorFlow...

guitargeek

[IO] Fix rootcp --replace flag not working with recursive copy

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Fixes #7052 ## Changes or fixes: The --replace flag was not being checked when copying regular objects (non-tree, non-collection) in recursive mode. This caused objects to be written with new...

ahmedbilal9

[build] Comply with PEP625

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Backport of https://github.com/root-project/root/pull/20567

vepadulano