Unreal Engine Issues
Unreal Engine Issues
Editor FPS has significant drop when moving a BSP brush in level with multiple BSPs
UE - AI - Navigation - Jan 8, 2025Editor performance plummets when moving BSP brushes in a level with several other BSP brushes present. Navmesh regeneration is the main cause as the full bounds for all BSP are used to determine whi ...
Missing texture assets cause warnings on editor start: LogStreaming: Warning: Failed to read file '../../../Engine/Plugins/Developer/PlasticSourceControl/Resources/Icon128.png' error.
UE - Editor - UI Systems - Jan 7, 2025There are a number of missing texture assets which are failing to be read when the editor opens. This is causing a warning to be thrown each time the editor opens, potentially causing CI/CD tests (i ...
Sequencer shot blend will have incorrect blend time if play rate of sequence is changed.
UE - Anim - Sequencer - Jan 7, 2025When there is a blended camera cut and the sequences playrate is changed, the camera blend time will not match the new rate and play incorrectly. ...
Add support for Debug Persistent Foreground Line Batcher
UE - Anim - Rigging - Control Rig - Jan 7, 2025Foreground debug lines are cleared each frame and as a result, dissapear when PIE is paused (even if no persistence is supported, the lines sould be drawn if PIE is paused). We need support for pers ...
Collision profiles are reset when blueprint is loaded
UE - Gameplay - Jan 6, 2025In UE 5.5 (and earlier versions), FCollisionResponse::operator== has incorrect behavior where it will detect that two collision response containers are identical if they have the same number of entr ...
Frame snapping does not work in AnimNotifyPanel
UE - Anim - Runtime - Dec 20, 2024When snapping for frames is turned on, dragging an anim notify state does not result to being snapped on a frame. ...
BTDecorator_ForceSuccess does not work correctly on RunBehavior Node with Abort Decorators
UE - AI - BehaviorTree - Dec 20, 2024When using the ForceSuccess decorator on a Run Behavior task which also has an abort decorator, the Force Success node cannot make the task return succeeded when the abort is triggered. This means t ...
AssetLocalization does not work and the asset does not switch to localization asset even if culture is specified
UE - Editor - UI Systems - Localization - Dec 20, 2024Asset localization does not work. When playing in standalone, it shows "jp" texture instead of "en" texture even if "-culture=en" is set. This appears to be a regression issue, as the localization w ...
Translucency Volume are not correctly shadowed in 5.5 without Virtual Shadow Maps and are not light correctly by some lights
UE - Graphics Features - Dec 20, 2024TranslucencyVolume spheres are not correctly shadowed nor lit in Unreal 5.5 with VSMs disabled. Unreal 5.4 does correctly shade the sphere without VSMs. There appears to be differences in the outpu ...
World position offset (WPO) and nanite enabled causes shadow of complex static mesh actor to be deformed at a specific distance
UE - Graphics Features - Nanite - Dec 19, 2024Context / Problem: Complex static mesh actors with nanite enabled and Evaluate World Position Offset (WPO) enabled works together except for a specific distance where the shadow is deformed and sort ...