Unreal Engine Issues
Unreal Engine Issues
UCommonVideoPlayer/Electra does not work in 5.3
UE - Media Framework - Jan 30, 2024This appears to be connected to playing immediately upon opening. This behavior is not observed when in the Release-5.1 or Release-5.2 streams. With the same setup, the video will start playing on t ...
Visual glitches on Mac OS X using an Intel GPU while playing HW accelerated H264 video
UE - Graphics Features - Dec 2, 2014This looks to be a system driver bug, but logging here for transparency and future reference. It took me a long while to figure out that the key issue is a conflict during blit between UE4 and the H ...
While a Custom Event's delegate pin is connected to anything its details are not visible in the Details panel
UE - Gameplay - Blueprint - Oct 27, 2015While a Custom Event's delegate pin is connected to anything its details are not visible in the Details panel. Tested with an empty reroute node as noted below as well as a Set Timer node. Reproduc ...
Timeline name changes do not propagate to related nodes
UE - Gameplay - Blueprint - Mar 17, 2015Timeline name changes do not propagate to related nodes. Refresh All does not rename nodes that reference the timeline, and Getters and Setters are no longer valid nodes. Reproduced in 4.7.2 binary ...
Blueprint Doesn't Show Components Added at Runtime
Tools - Nov 2, 2015When a custom component is added at runtime, it does not show up in the details panel when you select the blueprint that it has been added to. Found in 4.9.2 binary. Reproduced in 4.10 Preview 3 a ...
LineTraceSingleByObject not Returning Valid Physical Material
UE - Gameplay - Mar 22, 2016Attempting to perform an is valid check on a physical material from a FHitResult returns invalid. This does not occur when using a blueprint setup, it only seems to occur when using code. Found ...
HLSLCC crashed on parsing UAV related instruction
UE - Graphics Features - Oct 10, 20191.glsl_type with image was not fully inited with HlslName field set, causing the crash 2.seems many types of op are not support by current hlslcc, cause error msg. e.g. RWTexture2D.Load[Image Remo ...
Crash when Deploying to iPad Air with BC4 Texture Compression Setting
UE - Platform - Mobile - Jun 7, 2016App/project crashes when setting a texture's compression settings to BC4 and deploying to the iPad Air. As the user in the op states on AnswerHub, the problem seems to lie with specific texture com ...
Linux: UI scale is sometimes not 1.0 on non-high-DPI monitors
UE - Platform - Linux - Nov 7, 2017At the moment, UI scale is calculated on Linux from physical monitor dimensions (obtained ultimately from EDID) and not system scale. The granularity is 0.25, so scale can be 0.25, 0.5, 0.75, 1, 1.2 ...
InterpToMovement Component Causes Crash During PIE
UE - Gameplay - Feb 23, 2016When using an InterpToMovement component in a blueprint with the "Auto Update Tick Registration" and "Auto Register Updated Component" options unchecked, PIE will result in a crash. Found in 4.10. ...