Unreal Engine Issues
Unreal Engine Issues
Creating Widget at run time with an exposed variable causes Engine crash with Assertion
Tools - May 8, 2020If you are using the default values of the In Size the project will run fine, but changing the values will make the engine crash. This was reported and tested in 4.25 (CL-13144385) and reproduced i ...
Screen space reflections are flickering when using no Anti Aliasing
UE - Graphics Features - May 20, 2020This is a regression from 4.24.3 (CL-11590370). SSR begins to flickers when AA is disabled when moving around the scene. This was reported and tested in 4.25 (CL-13144385) and reproduced in Main 4. ...
Editor crash when ticking then unticking "Toggle Visualization" in a Google Resonance Spatialization Settings window
UE - Audio - Oct 23, 2020This is a user reported crash, I was able to re-create in 4.25.4. I'm also assuming this happens in 4.26, however there is a current blocker that stops me from opening this project in 4.26. Linked ...
Shader complexity mode reportedly broken on Vulkan
UE - Rendering Architecture - RHI - Mar 23, 2021Shader complexity reported (on AH) broken on Linux since 4.25. No local repro attempted. https://answers.unrealengine.com/questions/1019826/shader-complevity-view-mode-is-completely-broken-s.html ...
Crash when adding a Material Layer with a Static Component Mask Parameter node to a Material Instance
UE - Graphics Features - Apr 15, 2021When adding a Material Layer, that has a Static Component Mask Parameter node in it, to a Material Instance, the editor will crash. The ability to set Material Attribute layers in a Material Inst ...
Improper include generated when C++ class is in a subdirectory
UE - Editor - Workflow Systems - Jun 7, 2022This is not a regression from 4.27.2, however, a similar issue was fixed in 4.26. Generating a C++ class that is in a subdirectory generates the #include "Subdirectory/Class.h" instead of #include ...
Body Instance property changes made in construction scripts are not applied
UE - Simulation - Physics - Jul 17, 20207054614 was submitted to fix an issue with not being able to modify physics properties on instanced blueprints child components. This is related to [Link Removed]. This change causes BodyInstance t ...
CharacterMovementComponent::ApplyRepulsionForce uses the BodyIndex incorrectly as a bone index
UE - Simulation - Physics - Oct 5, 2015The code to extract the FBodyInstance from the overlapping component is incorrectly interpreting the Overlap.BodyIndex as a BoneIndex. This results in incorrect bodies getting the force applied, as ...
Non-overridden BP update for Animation Blueprints not Calling Parent Function.
OLD - Anim - Mar 21, 2016User in the linked UDN reports that the parent BP update was not being called in an animation blueprint unless they hooked up the parent call. By default this call is greyed out in the graph and sh ...
Exiting VR Edit mode from simulating causes viewport mismatch
UE - Editor - Workflow Systems - Mar 5, 20169/19 VREditor sync notes: Should grey out the editor button while you're simulating ----------------------------------------- I noticed you can fix this issue by reseting the viewport by pressing t ...