Unreal Engine Issues
Unreal Engine Issues
Navmesh rebuild always occurs on Startup map immediately after starting editor
UE - AI - Navigation - Nov 22, 2022Whenever launching the UE5 Editor, it rebuilds the navmesh on the first map it opens. Reopening the same map again will not cause the navmesh to be rebuilt. It seems that the first time the map is o ...
Hierarchical Instanced Static Mesh does not render correctly on Vulkan mobile
UE - Platform - Mobile - Nov 17, 2022Something is rendering incorrectly about hierarchical instanced static meshes on vulkan mobile. If the project uses GPUScene, instead of using HISM for manual instancing, and relying on GPUScene for ...
GAS: RemoveReplicatedLooseGameplayTag on unadded tag causes it to be replicated
UE - Gameplay - Gameplay Ability System - Nov 17, 2022A UDN user found that calling AbilitySystemComponent->RemoveReplicatedLooseGameplayTag(TagToRemove); while the gameplay tag was not in the TagMap, will create an entry for it with count 0, see ...
Double-clicking metasound graph input widget resets value to 1, but displayed value does not change
UE - Audio - MetaSounds - Nov 16, 2022Reproduced 3/3 times. Issue also occurs in //UE5/Release-5.0 - CL 20979098 Binary. Confirmed NOT a Regression. ...
GAS and single process PIE: modifiable static variables accessed by server and client
UE - Gameplay - Gameplay Ability System - Nov 16, 2022See: UAbilitySystemGlobals::HandlePreLoadMap GAS features static variables that are modified by both server and client, thus result in issues in single process PIE where they access the same memory ...
Improper Initialization of trigger values when added at runtime with the key pressed already
UE - Gameplay - Input - Nov 11, 2022See the comment on UInputTrigger::LastValue around issues being a bool type on first tick ...
FEnhancedActionKeyMapping struct has incorrect comparison results
UE - Gameplay - Input - Nov 11, 2022The fix for this is to override the FEnhancedActionKeyMapping::operator== to account for the deep copy that happens on modifiers instead of comparing addresses ...
File state in perforce cache is incorrect when revert + delete is enabled
UE - Editor - Workflow Systems - Nov 11, 2022If the option to delete files on revert is enabled, the revert operation causes incorrect file state in the perforce cache It looks like it has some code to handle this when the option to delete is ...
InstancedStaticMeshComponent causes crash in editor compiled with ALLOW_DITHERED_LOD_FOR_INSTANCED_STATIC_MESHES set to zero
UE - Graphics Features - Nov 11, 2022ALLOW_DITHERED_LOD_FOR_INSTANCED_STATIC_MESHES works without crashing in ue4.27. It appears that this code path is not maintained in ue5. ...