Bug 513318

Summary: kdenlive crashes on selecting Bezier Curves (due to upstream frei0r bug)
Product: [Applications] kdenlive Reporter: Bugs <junkyard>
Component: Video Effects & TransitionsAssignee: Jean-Baptiste Mardelle <jb>
Status: RESOLVED FIXED    
Severity: crash CC: bjoern, fritzibaby, heraldfaisal, luzpaz, mig.jim.fer
Priority: NOR Keywords: regression, triaged
Version First Reported In: 25.12.0   
Target Milestone: ---   
Platform: Arch Linux   
OS: Linux   
Latest Commit: Version Fixed/Implemented In:
Sentry Crash Report:
Attachments: crash report

Description Bugs 2025-12-13 21:38:01 UTC
Created attachment 187604 [details]
crash report

I start kdenlive, drop a video into the timeline, expand "Color and Image Correction" from the pane on the left and double-click "Bezier Curves". The settings pane for the curves appears to the right but the interface is now unresponsive and kdenlive crashes seconds later.
Comment 1 bjoern 2025-12-31 11:45:48 UTC
Can confirm that using Manjaro as OS. Even opening old projects using the bezier curve filter lead to a non responsive KDElive which is crashing after a short amount of time.
Comment 2 Herald 2026-01-19 05:33:30 UTC
yes, still crashing even on version 25.12.0, doesn't happens on 25.08
Comment 3 emohr 2026-01-21 07:52:53 UTC
Thank you for reporting.
Crash confirmed. It affects all platforms and is related to a Frei0r change in Oct-2025.
Analysis of the crash is ongoing.
Comment 4 luzpaz 2026-01-26 12:42:12 UTC
This is a hard crash that I also can reproduce. I tried locating the upstream ticket and found:
https://github.com/dyne/frei0r/issues/236

@emohr is this the correct upstream ticket?
Comment 5 luzpaz 2026-01-26 12:57:30 UTC
*** Bug 514965 has been marked as a duplicate of this bug. ***
Comment 6 emohr 2026-01-26 16:33:23 UTC
This should be fixed with this commit: https://github.com/dyne/frei0r/commit/74edaeb1b69081017f0c80dd4cebac15cf375e62

Will be in 25.12.2
Comment 7 luzpaz 2026-02-05 19:32:58 UTC
Closing as Resolved.
@Herald, please validate once 25.12.2 is released. Thanks in advance.