Unreal Engine Issues
Unreal Engine Issues
Inconsistent Behavior of TFieldPath and nullptr comparison
UE - CoreTech - UObject - Mar 7, 2025Commit 6448c6f (https://github.com/EpicGames/UnrealEngine/commit/6448c6f6d1de1e9fac9614248e06ba06b837814d) introduced inconsistent behavior for TFieldPath and nullptr comparison, depending on constn ...
FDateRange cannot be declared as UPROPERTY
UE - CoreTech - UObject - Sep 4, 2024Unlike other range wrapper structs, such as FFloatRange, marking a FDateRange as a UPROPERTY results in the following error: error : Unable to find 'class', 'delegate', 'enum', or 'struct' with nam ...
Disabling Disregard for GC with an invalid asset in GameplayTagTableList causes a controlled crash
UE - CoreTech - UObject - Jul 31, 2024Disabling Disregard for GC leads to a crash in GarbageCollectionVerification.cpp VerifyObjectFlags. This crash occurs when there is an invalid path specified in GameplayTagTableList. The cause of t ...
Make ConfigBranch creation thread safe
UE - CoreTech - UObject - Jun 28, 2024See [Link Removed] for details ...
Renaming assets hits an ensure related to circular redirect
UE - CoreTech - UObject - May 10, 2024You will hit the ensure condition: LogOutputDevice: Error: Ensure condition failed: !SeenPaths.Contains(CurrentPath) in Engine\Source\Runtime\CoreUObject\Private\Misc\RedirectCollector.cpp] [Line ...
GameThread + AsyncLoadingThread deadlock - StaticLoadObject vs. StaticAllocateObject
UE - CoreTech - UObject - Feb 14, 2023User reported encountering a deadlock between GameThread and AsyncLoadingThread and provided two callstacks.User quote I've been running into a deadlock intermittently with a custom blueprint conso ...
Crash occurs when renaming an asset that is used by Class Default Object
UE - CoreTech - UObject - Nov 23, 2021Not a regression. Tested in: //UE4/Release-4.26.2 CL15973114 Binary - Reproduced //UE4/Release-4.27.1 CL17735300 Binary - Reproduced //UE5/Release-5.0-EarlyAccess CL16682836 Binary - Reproduced Fro ...
JSON Serializer FromJson function returns true when property types don't match
UE - CoreTech - UObject - Nov 16, 2021If the type of a property in a Json string doesn't match the expected type in the Json serializable class being created, then the value for that property will not be read in. However, FromJson still ...
Duplicate keys in TMap and TSet after using FJsonObjectConverter::JsonValueToUProperty
UE - CoreTech - UObject - Nov 16, 2021Found here: [Link Removed] The relevant sections in ConvertScalarJsonValueToFPropertyWithContainer() use script helpers to add defaulted elements to each container and then parse straight into them ...
Subobject delimiter replacement in ResolveName can cause previously valid strings to exceed NAME_SIZE
UE - CoreTech - UObject - Nov 8, 2021ResolveName will replace the subobject delimiter (colon) with two periods. This increases the length of the string, and can cause asserts due to the string exceeding NAME_SIZE even when the name was ...