Crash upon launching packaged game with Share Material Shader code enabled

Rendering - Oct 27, 2017

When launching a packaged game that has Share Material Shader Code enabled, the process will crash before opening. Regression?: Yes This issue does not occur in 4.17.2-3658906+++UE4+Release-4.17 Th ...

[CrashReport] Mac/Metal crash due to enabling Metal 2.0 on 10.12.6

Rendering - Oct 26, 2017

This is an early trending Mac/Metal crash coming out of 4.18. Mark.S: _Revised Statement: Users are trying to enable Metal 2.0 on 10.12.6. The iOS settings panel lets me show warnings about this st ...

Changing foliage quality during runtime crashes editor/game

Tools - Foliage - Oct 25, 2017

Editor will crash if a foliage type has Enable Scaling Density checked and user changes Engine Scalability Setting for Foliage during Runtime. Alternatively, if Foliage Quality is changed using a B ...

[CrashReport] Crash in PHAT on LeftMouse click while moving ragdoll asset during Simulate

Physics - Oct 25, 2017

Crash occurs in the updated Physics Asset Editor if you LeftClick while moving a ragdolled asset during Simulation. This is a regression from 4.17.2 User Descriptionsin the new physics asset edit ...

Hot reload of QAGame hangs the editor

Audio - Oct 25, 2017

Any game module containing subclass of USoundWaveProcedural will hang after hot reload completes. QAGame defines UQASynthGenerator, which inherits USoundWaveProcedural. ...

Using the HighRes Screenshot command in a shipping packaged build crashes the game

Tools - Oct 20, 2017

Using the HighRes Screenshot command in a shipping packaged build crashes the game. This issue does not display a callstack or the crash reporter, simply a message that says fatal error then closes ...

Inherited TMap value of type UObject* is not saved on blueprint compile

Gameplay - Blueprint - Oct 20, 2017

When a blueprint inherits a TMap variable with a UObject* as the value, compiling the blueprint causes anything set for the value to rest to "none" Workaround: Adding the TMap through the editor re ...

Hot reload iteration time regression.

Core - Oct 19, 2017

Hot reload iteration times have been crippled ever since CL# 3332960, which was a fix for UE-42205. ...

Function input Bool loses checked value when updating from 4.16 to 4.17

Gameplay - Blueprint Editor - Oct 17, 2017

Licensee reported that when updating from 4.16.1 to 4.17.2 the value of a function input Boolean is being reset. It is checked as True in 4.16, but when switching to 4.17, it is no longer checked. ( ...

[CrashReport] UE4Editor_MediaAssets!UMediaTexture::TickResource() [mediatexture.cpp:245]

Media Framework - Oct 10, 2017

This is an early trending crash coming out of the 4.18 previews. Users have not provided any descriptions of their actions when the crash occurred. The callstack is similar to FORT-56225. Source C ...