Hot Reload Crash involving variables in USTRUCTs

UE - Foundation - Cpp Tools - Hot Reload - Sep 1, 2016

This issue was created for this UDN post: https://udn.unrealengine.com/questions/306933/hotreload-crashbad-behavior-when-addingremoving-pa.html This repro is based off his last repro, cutting it do ...

Mesh Distance Field Artifacts on Older GPUs

UE - Graphics Features - Mar 14, 2018

Mesh Distance Field quality varies greatly depending on GPU. Per UDN Licensee: On the GTX 670 machines we can see a very blocky, low-res result that behaves in weird ways when moving around the le ...

Segment to Segment Navigation links not usable/working

UE - AI - Dec 3, 2015

A licensee asked about SegmentLinks not working. These were apparently disabled because they were buggy and are waiting to be fixed, but not currently being worked on. Adding this to JIRA since ther ...

Investigate possible HISMC culling mismatch between tree, vertex and pixel shader

UE - World Creation - Worldbuilding Tools - Foliage - Jun 12, 2017

User reports that some foliage/grass instances that are completely culled are actually still being rendered, costing rendering time. Have a look using Intel GPA or RenderDoc and check pixel shader ...

CommitMapChange doesn't fully deal with sub-levels

UE - Gameplay - Jan 12, 2017

Per https://udn.unrealengine.com/questions/329206/crashes-when-streaming-levels-in-414.html When inspecting the code for this report, it has become clear that the streaming levels of the incoming m ...

UV merging issue when merging meshes with multiple materials

UE - LD & Modeling - Modeling Tools - Mesh Editing - Jul 15, 2019

See https://udn.unrealengine.com/questions/505632/view.html for more details Repro: -Have a mesh with 3 sections and 3 materials, assign section 1 to material 1 and section 2&3 to material 3. -Pla ...

Properties missing from Japanese UI

UE - Editor - UI Systems - Localization - Oct 20, 2015

Some properties go missing when the Editor is switched to Japanese mode. Specifically, missing under Collison: -Simulation Generates Hit Events -Phys Material Override -Use CCD (See attached screens ...

Crash Occurs When Simulating in Editor and Copying Camera Key in One Sequence Then Opening a Second Sequence

UE - Anim - Sequencer - Jan 30, 2018

-When opening a sequence while simulating in editor and copying a key and changing sequences leads to a crash -Does not proved callstack - but one is available in the UDN link (See SequencerCrashB) ...

LIVE: On MAC, Atmospheric Fog Preview Renders Incorrectly with Default Settings

UE - Platform - Apple - Nov 14, 2014

On a Mac, Following the tutorial located here: https://answers.unrealengine.com/questions/132223/macbook-pro-preview-rendering-issues.html When opening a new level, the atmospheric fog renders soli ...

FVoiceSerializeHelper doesn't add references to AudioComponent instances

UE - Networking - Apr 28, 2015

"FVoiceSerializeHelper doesn't add references to AudioComponent instances" ShooterGame crashes when following the repro steps provided by the licensee, listed below and on the UDN post. Crash image ...