Unreal Engine Issues
Unreal Engine Issues
Scalebox scaling won't update if child size changes with global invalidation enabled
UE - Editor - UI Systems - Slate - Jul 17, 2024When global invalidation is enabled, Scale Boxes don't react properly to changes in the size of their contents. Licensees have worked around this by updating SScaleBox::OnArrangeChildren:// This sca ...
Unreal Editor 5.4.4 crash when reproducing a LevelSequence in loop while PIE.
UE - Anim - Sequencer - Sep 9, 2024A crash inside Unreal Engine Editor version 5.4.4 occurs when reproducing a Level Sequence while in PIE. This issue is a regression. It only crashes in version 5.4.4. It was working correctly in ver ...
Values for InitialOnly replicated arrays can fail to be captured in replay when removed and re-added between checkpoints
UE - Networking - Oct 2, 2025When the first checkpoint is recorded, the correct array properties will be captured in the LifetimeChangelist. When these array items are later removed and another property on the actor is changed, ...
Editor crash on loading a project after enabling the Tango plugin on Linux
UE - Platform - Linux - Aug 22, 2017Enabling the Tango plugin on Linux causes the editor to crash on restart. Regression: No - Tango plugin not available in 4.16.3 (CL 3561208) ...
Clear Timer node does not stop a looping timer
UE - Gameplay - Feb 16, 2015Setting a Clear Timer node does not stop the named function from firing. ...
RENDERING: Unchecking Actor Hidden in Game for Actors is not letting them be visible in game
UE - Graphics Features - Jun 19, 2014CHANGELIST: 2107728 BRANCH: UE4 DESCRIPTION: Unchecking the Actor Hidden in Game checkbox is not allowing a Note or an Ambient Sound be visible when played in the editor QA REGRESSION? NO ...
Split Struct Pin on a Function output will return a compiler error
UE - Gameplay - Blueprint - Jan 13, 2015Split Struct Pin on a Function output will return a compiler error: Error Pin New Param 1 X named NewParam1_X doesn't match any parameters of function NewFunction_0 Error Pin New Param 1 Z name ...
Cannot change color and opacity via animation key frames for text blocks in UMG
Tools - Nov 12, 2014Changing the color and/or opacity setting for a text block does not register with the autokey when animating in UMG. Because of this users are unable change these settings dynamically via the animat ...
Collision capsule attached to skeletalmesh with 'collision enabled' collides
UE - Simulation - Physics - Jun 18, 2015Collision capsule attached to skeletalmesh with 'no collision enabled' collides despite of being set to 'no physics collision' work around: image attached ...
Any events in sequencer fire at frame 0 when set to looping
UE - Anim - Sequencer - Mar 28, 2016Any active events fire at frame 0 when the sequence loops ...