Can not find abstract class in actor class dropdown list in GetAllActorsOfClass node

Gameplay - Blueprint - Dec 15, 2020

The behavior of non-variable class pins has changed in 4.26 where abstract classes like AInfo are being excluded from class pickers for general utility functions like GetAllActorsOfClass. This is no ...

Attaching scene component with "SnapToTarget" overrides relative transform on client

Networking - Dec 15, 2020

If received in the same update on a client, a replicated attach with attachment rule "SnapToTarget" will overwrite any replicated changes to the relative transform. Additionally, once a scene compon ...

Hot Reload Temporary dlls and pdbs Aren't Getting Cleaned Up Between Runs

DevTools - Hot Reload - Dec 14, 2020

I'm seeing it as an issue in at least 4.25.4, maybe prior.   I'll update after checking 4.24. From the tests at my desk I could see that the HotReload.State file that DeleteTemporaryFiles (HotReloa ...

Actor Sequences don't play on spawned actors in cooked games

Anim - Sequencer - Dec 14, 2020

Actor sequences do not play on spawned actors in cooked builds. ...

Missing SmallOSAlloc/Free memory tracking with LLM on iOS

Platform - Mobile - Dec 11, 2020

Licensee reports missing memory tracking for LLM on iOS: In Engine/Source/Runtime/Core/Private/HAL/MallocBinned.cpp in SmallOSAlloc, there is a compiler define for IOS and within it there is an LLM ...

Soft Object Reference Pins can't be reset to None

Gameplay - Blueprint Editor - Dec 10, 2020

Soft Object Reference pins on Blueprint nodes can't be reset to None once an object reference has been set.  ...

Niagara Oscilloscope hangs indefinitely in cooked build

Audio - Dec 9, 2020

Cooked games will hang on startup when using the Oscilloscope data interface due to an indefinite wait in FNiagaraSubmixListener::UnregisterFromSubmix  When setting GCVarEnableAudioCommandLogging t ...

Converting a function with local variables to an event crashes editor

Gameplay - Blueprint - Dec 9, 2020

When converting a function with a local variable to an event, editor crashes. Issue does not occur in 4.25, therefore a regression. ...

World Memory Leaks crash with a hidden sublevel to a redirector

Tools - Dec 8, 2020

From UDN: The reason it crashes is because Child doesn't get garbage collected, which is because it still has the RF_Standalone flag. UEditorEngine::EditorDestroyWorld clears RF_Standalone flag ...