Z order in based on the position in the Hierarchy is reversed in 4.9

UE - Editor - UI Systems - Oct 13, 2015

The Z order that is given to a widget based on it's position in the Hierarchy panel in 4.9 goes from bottom of the hierarchy to the top (The bottom widget is the front most widget) instead of the to ...

XAudio2 DestroyVoice call causes significant hitching on some architectures

UE - Audio - Aug 10, 2015

Another thread: https://answers.unrealengine.com/questions/241358/amd-cpu-very-low-performance-because-ixaudio2sourc.html Note: This not a regression and has existed since our first implementation ...

Dismissing "Place phone into daydream headset" leaves app at black screen

UE - Platform - XR - Jun 29, 2017

Currently experiencing an issue when re-entering Google Daydream game after exiting the Daydream setup (place your phone in headset) screen by pressing the x in the top left corner of the screen. Wh ...

Physics actor with physics toggled will fall through static meshes set to Movable

UE - Gameplay - Jul 20, 2016

Physics actor with physics toggled will fall through static meshes set to Movable User Description: Basically, what this project does is enable simulate physics on the black cube in the middle, th ...

Texture Artifacts on Cubemaps using Default Compression when Packaged for ASTC

UE - Platform - Mobile - Oct 26, 2016

Cubemaps using Default texture compression (DXT1) and packaged for Android ASTC will render with artifacts on the seams where the DDS cubemap was stitched together. "Cubemaps set to HDR/HDR compre ...

Incorrect collision of merged actor that was merged from a Spline Mesh Component

UE - Simulation - Physics - Apr 10, 2017

Incorrect collision of merged actor that was merged from a Spline Mesh Component Licensee description: We often use spline mesh blueprints to generate organic art for us, like roots, trees, and r ...

Editor Crashes when copying/pasting a custom event function that was within a separate function to an event graph if the custom event was created in another blueprint

UE - Gameplay - Blueprint - Jan 16, 2015

Editor crashes when a custom event node is called as a function within a different blueprint in a separate function, then copied and pasted into the event graph of the second blueprint, the executio ...

Player Character does not collide with landscape

UE - LD & Modeling - Terrain - Landscape - Mar 8, 2015

UPDATE: 3/9/2015 Additional Information: User on thread https://answers.unrealengine.com/questions/186928/landscape-collison-issues-recreatelandscapecollisi.html reported workaround did not fix e ...

[CrashReport] UE4Editor_CoreUObject!IncrementalPurgeGarbage() [garbagecollection.cpp:1042]

UE - Editor - UI Systems - Localization - May 31, 2016

This JIRA is being entered as a result of being one of the top crashes in 4.12 Preview 5 In the 4.12.0 release, we currently have a user on the Answerhub who experiences this crash: https://answers ...

Packaged Android file sizes have increased dramatically

UE - Foundation - Core - Cooker - Mar 6, 2015

Multiple users on AnswerHub and forums have reported seeing very large increases on their packaged Android projects. One user reported being unable to get the Tappy project itself down to less than ...