Unreal Engine Issues

MetalRHI Asserts When Using "Profile GPU" With RHI-Thread/Parallel-Execution

When the RHI thread is enabled (with or without parallel-execution) for Metal it isn't currently possible to run "profilegpu" because the GPU timestamp emulation code isn't multi-thread safe and pro ...

If using SetAlignmentInViewport in Construct, the value with it is ignored

If SetAlignmentInViewport is called in the UMG Construct, it is ignored internally. This is due to a change that came in 5.1, so it worked fine in 5.0. First, when the Set Alignment in Viewport nod ...

WP HLOD Crash on Small Cell Sizes

Launching QAGame for HTML5 creates an 'uncaught exception: out of memory'.

Launching onto HTML5 opens the browser to Uncaught Exception: out of Memory After running it on a 64-bit browser, the following is printed:uncaught exception: abort("Cannot enlarge memory arrays. E ...

[CrashReport] UE4Editor_SlateRHIRenderer!FSlateRHIResourceManager::GetShaderResource() [slaterhiresourcemanager.cpp:525]

This is a trending crash coming out of the 4.18 release, and may be a regression. Users have not provided any descriptions of their actions when the crash occurred. Jiras for similar callstacks in ...

Hot Reloading from IDE fails

Building from VS causes the compilation to fail. (Have not had the opportunity to check XCode yet, investigating) Found in //UE4/Dev-Core @ 3048370 Currently occurs in //UE4/Main @ 3049508Severity ...

Crash in FNetGUIDCache::GetObjectFromNetGUID()

This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Error message: Assertion failed: Package->IsFullyLoaded() [Link Removed] [Line: 2296] Source ...

[CrashReport] UE4Editor_Engine!FUniformExpressionSet::CreateUniformBuffer() [materialuniformexpressions.cpp:354]

Error Message - Assertion failed: !Value || Value->IsValidLowLevel() [File[Image Removed]:\BuildFarm\buildmachine_++depot+UE4-Releases+4.10\Engine\Source\Runtime\Engine\Private\Materials\MaterialU ...

[CrashReport] Mac crash - libobjc.A.dylib!objc_retain() [UnknownFile]

This is a longstanding but low frequency Mac crash. User DescriptionsChanging camera shake values and testing in a new editor window Callstack from Log[2017.11.09-19.23.22:392][ 63]LogMaterial: Mi ...

LevelStreamingPersistence: Crash when streaming in destroyed map actor with persisted properties

Context The LevelStreamingPersistence plugin can be used to remember and restore properties on actors and components that are part of a streamed level. Saved property values are restored when a lev ...