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Change in text size between ROOT versions

bug

experimentAffects an experiment / reported by its software & computimng expertsAffects an experiment / reported by its software & computimng experts

in:Graphics

Small Bug Density

Status: Open.

#22195 In root-project/root;

· vepadulano opened on May 8, 2026

RDataLoader results in same train/test split across runs

improvement

in:MLEverything under ROOT/MLEverything under ROOT/ML

Status: Open.

#22194 In root-project/root;

· siliataider opened on May 8, 2026

Flush cout to notebook during code execution (pyROOT issue?)

in:Python Interface

new feature

Small Bug Density

Status: Open.

#22170 In root-project/root;

· will-cern opened on May 7, 2026

[io] TFile::Recover doesn't properly validate read lengths

bug

in:I/O

Status: Open.

Bug

#22169 In root-project/root;

· silverweed opened on May 7, 2026

[tree] Heap buffer overflow in TBasket::Streamer when reading TTree baskets with mismatched fNevBufSize and on-disk array length

bug

in:I/O

in:TTree

Status: Open.

Bug

#22164 In root-project/root;

· silverweed opened on May 6, 2026

[glcanvas] save as PNG/JPG/BMP image does not work for first time

affects:6.36

affects:6.38

affects:6.40

affects:master

bug

in:Graphics

Small Bug Density

Status: Open.

Bug

#22157 In root-project/root;

· linev opened on May 6, 2026

·  

6.40.00

TSAN-reported data races with RNTuple reader (triggered by podio reader inside JANA2 reconstruction)

bug

in:RNTuple

Status: Open.

#22153 In root-project/root;

· wdconinc opened on May 6, 2026

[ntuple] merging RNTuples produced with ROOT <= 6.34 fails

bug

in:RNTuple

Status: Open.

#22130 In root-project/root;

· silverweed opened on May 4, 2026

[io] Crash when removing leaf count array of non-primitive type

bug

experimentAffects an experiment / reported by its software & computimng expertsAffects an experiment / reported by its software & computimng experts

in:I/O

Status: Open.

#22097 In root-project/root;

· hahnjo opened on Apr 29, 2026

Constructing TF1 with the lambda that contains size information for parameters and variables

improvement

in:Math Libraries

Status: Open.

#22071 In root-project/root;

· YanzhaoW opened on Apr 27, 2026

GlobalEntryRange assumes single threaded run in RNTupleDS

improvement

in:RNTuple

Status: Open.

#22066 In root-project/root;

· GeorgiLH opened on Apr 26, 2026

[tmva][sofie] Conv+Add fusion path can drop operator and break downstream Relu type registration

bug

in:SOFIE

Status: Open.

#21978 In root-project/root;

· markknoffler opened on Apr 20, 2026