Unreal Engine Issues
Unreal Engine Issues
Unable to name a component if the name was used on a deleted component
Tools - Jan 29, 2015When deleted a component in the in world component editor, that name cannot be used for another component until the editor has been restarted. ...
Performance drop when spawning AI actors during runtime compared to placing them in world
UE - AI - Jan 9, 2019There is a performance difference between spawning and placing AI into a level. This is causing issues when spawning/despawning AI actors in a large open world, where 4-5ms of frame time quickly bui ...
AJA interlaced format have a strange behavior compare to Blackmagic.
UE - Virtual Production - May 21, 2019Reproduce and confirm what is going on with the input/output. AJA output in interlaced format, should provide 30 frames at 60fps. For each frame, 1 field should contains the odd line of the image a ...
Replay playback can become paused indefinitely after scrubbing with high time dilation
UE - Networking - Feb 19, 2020When playing a replay with DemoPlayTImeDilation set to 5, and jumping around the timeline using GotoTimeInSeconds(), the play back can break, with game actors freezing and violently shaking. It seem ...
UDIM UVs are wrong
UE - Graphics Features - Feb 19, 2020UE4 applies 1-x transform to V coordinate when importing UVs from mesh. This is to handle GL/D3D differences in texture origin, but it breaks UDIM page addressing. It's possible to apply a fix to ...
Artefacts with Volumetric Clouds
UE - Graphics Features - Nov 2, 2022(Enduring Games) Please see UDN - Case includes project and potential fix from customer. Need to verify that it does not affect other parts of the volumetric composition. bHasValidSamples is the sam ...
LOD streaming requests for distance fields are overridden with additional scene captures.
UE - Graphics Features - Feb 12, 2023The distance field scene is shared between scene renders in a given frame. However, LOD requests are not tracked over the entire frame, but per scene render (e.g. camera or scene capture). Thus, if ...
No deprecation message with component bound event nodes
UE - Gameplay - Blueprint Editor - Aug 21, 2023It appears that only custom event nodes support a deprecation message. In fact, we need all nodes that use delegates in some fashion to support a custom deprecation message. Both UK2Node_ActorBoundE ...
Groom shadows stay visible when component is hidden
UE - Rendering Architecture - Jan 8, 2024This appears to happen with both Virtual Shadow Maps and Cascaded Shadow Maps. ...
Unable to input Chinese characters (Microsoft Pinyin) after inputting 34 half-width characters
UE - Editor - UI Systems - Slate - May 2, 2024If we enter Chinese characters using Microsoft Pinyin after entering 34 or more half-width characters in a text field, they are not reflected in the box. If less than 34 characters are entered, Chin ...