Unreal Engine Issues
Unreal Engine Issues
Level sequence attachment dirtying bugs - 5.4
UE - Anim - Sequencer - Mar 28, 2024Level Sequences can mark the level they are in as modified without modifying them, as well as get themselves into a state where they modified themselves when saved. ...
Sound Mix Modifiers do not properly affect Sound Class
UE - Audio - Mar 30, 2015Sound mixers do not properly override variables within a sound class. This prevents users from being able to modify variables such as volume or pitch quickly and efficiently by using the push/pop st ...
[MetaSounds] The Members' detail panel does not accurately update after making an edit and selecting a different member
UE - Audio - MetaSounds - Jun 26, 2023Note: This issue also affects MetaSound Patches and any Members Menu List Repro Rate: 5/5 Regression marked as No: issue was seen in 5.2 and 5.1 UE5+Release-5.2-CL-26001984 UE5+Release-5.1-CL- ...
Unreal Insights - GPU Timers don't show on Graph
UE - Foundation - Insights - Oct 27, 2023From Customer: UE 5.3 update broke Unreal Insights adding GPU timers into graph tracks. Debugging the code and cross checking with github/p4v I guess it broke in this revision: Timer graphs no ...
ResavePackages Commandlet Consistently Crashes in 5.3 In Material PreSave
UE - Rendering Architecture - Materials - Feb 20, 2024Running the ResavePackages commandlet will consistently result in a crash. The callstack is here: Assertion failed: !IsRooted() [Link Removed] [Line: 265] UnrealEditor_Engine!UMaterialInterface::P ...
Changes to Instanced Properties default value on BP not propagated to placed actors in the opened level
UE - Foundation - May 15, 2025In UE versions 5.4 and onwards (as of CL 42589677 in Main), when an Instanced UObject property is defined in an Actor Blueprint, modifying the default value in the Blueprint does not propagate the c ...
Fix BinkMediaTextureResource command list crash on UE 5.6
RAD - May 23, 2025Bink MediaTextureResource assets cause a graphics API crash, due to a missing UAV flag. The Licensee has proposed a fix to add the TexCreate_UAV flag. ...
Vehicle Template Gears incorrectly affect gear shift speed
UE - Gameplay - Feb 8, 2016Changing the Up Ratio of a vehicle movement component incorrectly alters gear shifting. For example, setting the ratio for Gear 3 to 1.0 will keep the vehicle from shifting to gear 2, etc. ...
Modified a mesh used as complex collision mesh does not affect the collision in the editor
UE - Editor - Feb 17, 2020When a user changes any properties (for calling PostEditChangeProperty ) in parent static mesh or restarting the editor, the modified mesh is applied correctly. how to reproduce: [Link Removed] ...
Collision on rolling ball template floor incorrectly affects player character
Docs - Samples - May 27, 2015In the rolling ball template, the new floor meshes cause the player character to jump when the player has not pressed any jump commands. It occurs more often if the players movement has been increas ...