Unreal Engine Issues
Unreal Engine Issues
Fix up GPU breadcrumb labels for Intel performance analysers
UE - Rendering Architecture - RHI - Jun 13, 2025A licensee has brought up that the GPU breadcrumbs are incorrectly displayed with traces taken on the Intel GPU Analyzer tools (see screenshot). It looks like the format string is being passed on in ...
Setting Fixed Frame Rate Prevents Particle Collision In PIE, Standalone, and Packaged Game
UE - Graphics Features - Oct 12, 2016If you set the project to use a fixed frame rate, particle collision no longer works. ...
In the Anim Sequence Editor set a Notify's MontageTickType to be fixed to BranchingPoint if that Notify is a Native Branching Point
UE - Anim - Gameplay - Jun 30, 2023To avoid confusing users when working with a Native Branching Point Notify set its MontageTickType to be fixed to BranchingPoint. ...
"Fix root motion initial rotation handling" commit breaks root motion completely
OLD - Anim - Dec 18, 2014Enabling and processing root motion causes animation to rotate the wrong direction. Roll instead of Yaw. Pitch instead of roll etc. This error does not occur in UE 4.6. ...
Fix up redirectors can fail if some packages were already checked out
UE - Editor - Workflow Systems - Jan 4, 2023Fix the skeletal mesh merge tool material assignment, change the API to avoid confusion
OLD - Anim - Jul 25, 2018UDN user ask us to change the API for the material to remove confusion with the material ID. Also apparently there is an issue with the skeletal mesh merge tool, the user did not give any repro ste ...
Level Bounds Incorrectly Calculated If Particle System Does Not Have "Use Fixed Relative Bounding Box" Enabled
UE - Niagara - Jul 26, 2018If "Use Relative Fixed Bounding Box" is disabled, level bounds will be incorrectly calculated. This seems to be similar to [Link Removed]. Found in 4.19 CL# 4033788, 4.20 CL# 4212847, 4.21 CL# 4233 ...
Fix PrimitiveComponent overlap indirection
UE - Simulation - Physics - Sep 27, 2016When doing overlap tests in PrimitiveComponent, UWorld->ComponentOverlapMulti is used. The callstack for that ends up looking like this (callstack is inverted, highest level on top): UWorld::Compo ...
Crash when destroying a geometry collection actor
UE - Simulation - Physics - Aug 7, 2020When an actor with geometry collection is destroyed, the engine doesn't remove elements from array in the ChaosSolver So illegal references occurs. Removing element with following quick fix code ...