Unreal Engine Issues
Unreal Engine Issues
Translucent objects blink when using Vulkan with Kirin 970 device
UE - Graphics Features - Jul 18, 2019Translucent objects ( e,g, effect, fog sheet ) blink when using Vulkan with Kirin 970 device. This issue doesn't occur on Vulan mobile preview, Snapdragon device, and Huawei honor 9(Kirin 960). ...
Bright mesh outlines using Temporal AA with Gaussian Blur DOF
UE - Graphics Features - Feb 17, 2017Since the last engine merge in FN Main, any mesh that silhouettes against DOF will produce a bright, halo like effect on the outside edge. The further away the background is from the silhouetted mes ...
Contact shadow has box artifacts with backlighting for two sided Subsurface shading model
UE - Graphics Features - Shadows - Nov 14, 2023See slack channel: [Link Removed] ...
[UDN-19505621] Hide Selected At Startup Issue
UE - Editor - Workflow Systems - Jun 10, 2025From [Link Removed]: 你好，我发现这里的选项有一些工作逻辑不一致，提一个改进建议： 当手动隐藏Actor小眼睛图标的时候，设置Hide Selected At Startup 是无效的，这具有很大的误导性，而其他任何情况下，工作都是正常的，比如： 1.小眼睛隐藏+Show All At Startup 2.小眼睛隐藏+Show Selected At Startup ...
dtNavMeshQuery::findNearestPoly uses hardcoded array size
UE - AI - May 18, 2015dtNavMeshQuery::findNearestPoly uses hardcoded array size which results in errors when search radius would require using more polygons then hardcoded the 128. ...
Crash in TMap struct deserializer
UE - Foundation - Core - Sep 20, 2016When deserializing a TMap<FString, FString> with the JsonStructDeserializer, the Engine crashes. ...
UWorld::RemoveFromWorld does not check Pointer Reference for null before use
UE - Gameplay - Dec 12, 2017The code in UWorld::RemoveFromWorld that removes Pawns that are about to be streamed out does not check to see if the pointer that it sets is null prior to using it. In cases where Pawns are rapidly ...
Outside of AnimBP's, Animation Sequences with negative Rate Scales do not animate
OLD - Anim - Mar 20, 2015Animation Sequences with negative Rate Scales do not play outside of using them in Animation Blueprints...unless they are looping. UPDATE: A negative rate scale value also breaks Anim Montages. ht ...
Cannot click the create new project button on a monitor with 1366 x 768 resolution
Tools - Sep 17, 2015If a user has a 1366 by 768 monitor resolution and uses the File > Create New project option, then the user will not be able to click the green button at the bottom of the window that actually allow ...
Signing Key not found when certificate is in System Keychains
UE - Platform - Mobile - Oct 22, 2014User reported being unable to push to devices from mac if they have their Certificates in the System Keychain rather than Local ...