Pre-UE5 serialized FVariant FVector data corruption when deserialized in UE5

UE - Gameplay - LWC - Jan 15, 2024

FVariant is a struct that implements a union of data types, including FVector. When assigning an FVariant an FVector value in engine versions UE 4.27 or earlier, the FVariant will deserialize incorr ...

Crash when changing an actor's variable type from vector to transform

UE - Gameplay - LWC - Oct 25, 2022

It looks like this is some fallout from CL 19405683. If we change a variable from vector to transform, it'll pass this check:if(Tag.StructName == NAME_Transform) {     Struct->SerializeTaggedProp ...

bIgnoreAllPressedKeysUntilReleaseOnRebuild ignores digital keys that are part of analog actions

UE - Gameplay - LWC - Jul 7, 2022

UDN post raising this. We ignore digital inputs only, but do so by querying Key.IsDigital(). This causes issues if the key is mapped to an analog action (i.e. it's emulating an axis). Proposed solu ...

Double Properties break reset to default and inherited value propagation

UE - Gameplay - LWC - Apr 13, 2022

This is an issue with how FPropertyValueImpl::ResetToDefault works: it uses GetDefaultValueAsString to reset the default value. This is problematic because the LexToString function that is eventuall ...