Dispatcher event called from actor blueprint needs to compile in a specific order

Gameplay - Oct 15, 2019

Dispatcher events being called from actor blueprints have to be compiled in a specific order to successfully call the dispatch event.  ...

Child Blueprint components become broken in sequencer when "Run Construction Script in Sequencer" is checked

Sequencer - Oct 15, 2019

When enabling "Run Construction Script in Sequencer" on a Blueprint Child Actor and having "Rerun Construction Scripts" turned on in Sequencer, the Child BP's properties become inaccessible in Seque ...

Unloading a spawned Detour AI Controller using Level Streaming causes a crash

Gameplay - AI - Oct 14, 2019

In a Level Streaming setup, unloading a level that has spawned an AI Character with a Detour AI Controller causes a crash. This was reported and tested in 4.23 (CL-8386587). This was reproduced in ...

Camera modifier blueprint used in another blueprint crashes editor (Assert failed in edit condition code in details panel)

Tools - Oct 14, 2019

Changing the default values inside of a camera modifier blueprint when referencing it in another blueprint results in a crash. Tested in 4.21, 4.22, 4.23 and 4.24 ...

"Pausing" A TimeSynth causes a crash

Audio - Oct 10, 2019

Clicking and holding anywhere on the editor outside the viewport when PIE causes a crash. The AudioRendering thread throws the following assert: Assertion failed: FreeClipIndex < PlayingClipsPool_Au ...

Unable to delete levels with Particles in them

Gameplay - Oct 9, 2019

The engine is unable to Level that has a Blueprint actor with a child actor component that has a particle system component. The follow message pops up: World /Game/LevelName.LevelName is in use. — ...

Linear color preview for the default opacity appears incorrect

Tools - UMG - Oct 8, 2019

The color preview on the "Set color and opacity node" does not reflect the correct opacity setting that is give by default. ...

Cull Distance Volumes Affecting Actors After Being Deleted

Rendering - Oct 7, 2019

Cull Distance Volumes Affecting Actors After Being Deleted. Found in 4.22 CL# 7053642, 4.23 CL# 8386587, and 4.24 CL# 9428115 ...

SteamVR - Packaged project does not scale to monitor bounds

Virtual Reality - Oct 4, 2019

Packaged projects will not match monitor resolution when SteamVR is being used. STEAMVR 1.7.15 used ...

Custom Depth does not override occlusion if it's set during runtime

Rendering - Features Teams - Oct 4, 2019

Adding a Custom Depth material at runtime does not make the object its applied to render through walls. Tested in 4.22.3 (CL - 7053647), 4.23 (CL - 8386587), 4.24 (CL - 9413529) ...