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[ntuple] write streamer info of used types to ROOT file

1

The file page sink, on commit, collects the streamer info records of custom classes. These records are passed together with the records from unsplit fields to the file writer, which...

jblomer

### Check duplicate issues. - [x] Checked for duplicates ### Description The 2012 Higgs discovery workspaces are currently not fully able to round-trip via the HS3 JSON format due to...

cburgard

[jupyter] correctly handle TCanvases with same name

1

Canvas name was used as identifier to track HTML element. If new canvas with same name was created, old HTML name was overwritten. Therefore add unique ID (pointer) to the...

linev

[RF] Avoid using transient `std::unique_ptr`

10

Harmless change to circumvent errors like these when building RooFit standalone: ``` Error in : data member with index 0 is not found in class tuple Error in : Cannot...

guitargeek

[ntuple] minor improvement in RDF DS

1

jblomer

### Check duplicate issues. - [X] Checked for duplicates ### Description [As reported on the forum](https://root-forum.cern.ch/t/compiled-shared-library-doesnt-catch-changes-made-in-cint/59787), ROOT seems to have merging issues with global variables between compiled and interpreted code...

hahnjo

[RF] prevent accessing empty vector (histOut)

2

# This Pull request: ## Changes or fixes: Fixes https://github.com/root-project/root/issues/11565 ## Checklist: - [x] tested changes locally - [ ] updated the docs (if necessary)

ferdymercury

roottest-root-hist-h2root broken on Alma9 march=native builds

2

### Check duplicate issues. - [ ] Checked for duplicates ### Description The test roottest-root-hist-h2root broken on Alma9 march=native builds. This PR https://github.com/root-project/root/pull/15935 deactivated FORTRAN on Alma9 march=native to avoid...

dpiparo

[hist] Add backwards-compatibility for THnSparseL typedef

2

Fixes #15874

vepadulano

[tmva][sofie] Add TopK operator

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This Pull request adds the support for TopK operator in SOFIE Implementation provided by GSOC student from Vedant Mehra. This PR is based on #15837 and should be merged after...

lmoneta