ROOT - ROOT Forum

Topic	Replies	Views	Activity
Posting code? Read this first! This is more addressed to the newer people of this forum, but I think it would be a good refresher for some. USE CODE TAGS!!! What is so special about these things? For one, they help show where you code begins and end…	2	9410	March 27, 2018
About the ROOT category	0	2165	January 13, 2017
TF1 constructor broken in ROOT 6.40.02	7	25	June 16, 2026
TChain::Add(TChain*) leaves GetEntries() reporting a wrong, too-small value tree , root	3	12	June 16, 2026
Using numba declare for python MVA node processing python , rdataframe	5	24	June 16, 2026
Is root running on MacOSX 26? root	1	20	June 10, 2026
TMathText in PDF/SVG export	4	512	June 5, 2026
Root 6.40.00 - glitch in TTree::Draw for 3D (missing bins) graphics	2	30	June 15, 2026
Cling JIT session error: Resource tracker 0x5603b58bfa10 became defunct root	2	22	June 12, 2026
Clipping distance in REve visualisation	7	52	June 10, 2026
TCut in event loop	6	47	June 4, 2026
Silent crash when adding key to nlohmann::json object with semicolon omitted bug , cling	5	97	May 21, 2026
How to write multiple ragged columns with same count variable into RNTuple? root	2	42	June 4, 2026
Exploring RNTuple network streaming via Apache Arrow Flight python , root	7	61	June 2, 2026
Warning from TLegend and how to solve it graphics , root	17	53	May 22, 2026
Type name error after RNTuple Merging root	7	62	May 18, 2026
Homebrew and TUnfold how to?	8	72	May 18, 2026
ROOT 6.26.18 and 6.28.14 binary distributions Python problems python	2	54	May 14, 2026
TBufferMerger fails to write histograms to output file for Alma Linux hist	9	96	May 11, 2026
There is GraphicalCut button in ROOT 6.38 WebUI	4	61	April 24, 2026
ROOT fails on my Mac after an update	8	107	May 6, 2026
Unknown issue with Tree /reading	12	36	May 5, 2026
TTreeProcessorMT deadlock in ROOT cmd line	4	42	May 1, 2026
Intermittent shutdown memory crash in compiled ROOT app (bus error / segfault / malloc smallbin corruption) with minimal reproducer	3	42	April 29, 2026
[Windows] ROOT 6.38 + Python 3.14: No module named 'libcppyy' [CEA 52284] python , windows	4	41	April 29, 2026
A memory leak with RDataFrame.AsNumpy() and vector<vector<vector<float>>> python	10	126	April 28, 2026
Cannot connect to the RGeomViewer/THttpEngine	8	55	April 24, 2026
TImage DrawCircle cause core dump root	4	38	April 23, 2026
TGraph/TMultiGraph yaxis Ndivisions and range jsroot	10	52	April 21, 2026
Cling error on macOS 26.4 (Homebrew ROOT 6.38.04): missing libc++ header __type_traits/add_lvalue_reference.h and ABI warning	5	220	April 19, 2026

Posting code? Read this first!

This is more addressed to the newer people of this forum, but I think it would be a good refresher for some. USE CODE TAGS!!! What is so special about these things? For one, they help show where you code begins and end…