Unreal Engine Issues

HTML5 packages cause an error when being launched onto Chrome 32/64-bit and Firefox 32-bit

Attempting to launch a project packaged for HTML5 on Google Chrome 32/64-bit or Firefox 32-bit results in an error. According to Nick Shin, this is due to asm.js and does not include in newer versio ...

Documentation node does not reliably display images

Images are not reliably being shown in the documentation node. As an example the path Shared\GraphNodes\AnimationStateMachine with the drop down UAnimSlateNode does not show any images. ...

[CrashReport] Mac assertion - FSourceCodeNavigationImpl::NavigateToFunctionSource()

This is a trending Mac crash coming out of the 4.18 Previews. Users have not provided any descriptions of their actions when the crash occurred. Callstack from LogLogMetal: Display: Loaded a text ...

[CrashReport] UE4Editor_CoreUObject!FLinkerPlaceholderObjectImpl::FindRawPlaceholderContainer() [linkerplaceholderbase.cpp:161]

This is currently among the top 10 crashes coming out of the 4.17.2 hotfix, affecting a few unique users, and this specific callstack does not appear to have occurred in 4.17.1. This may be a regres ...

Using FMallocProfiler extremely slow resolving symbols on iOS

See the UDN. I suggest we add an option to resolve symbols for FMallocProfiler offline for iOS when running on a Mac. We can symbolicate offline when running on a Mac using the atos command (See C ...

Static mesh cube with 3 convex elements jitters when enlarged and settling on a convex static mesh at 30 FPS

Foliage scalability does not accurately update when settings are changed in game

There is an issue that occurs where changing the scalability settings via the game script during play saves the values for the editor, but when the game is played a second time, the settings visuall ...

Editor crash when adding to Instanced Static Mesh Component is created/populated at runtime.

If NewObject is used to create an instanced static mesh component at runtime, populating the component with AddInstance causes the editor to crash. Regression: Yes - repro steps provided did not cr ...

ARCore failing to package

Users reporting packaging issues with ARCore plugin enabled in 4.18 preview #1 and #2: https://answers.unrealengine.com/questions/709840/418-android-packaging-fails-with-arcore-plugin-ena.html ...

Geometry in sublevel created with "Load Level Instance" ignores level transform

Geometry in sublevel created with "Load Level Instance" ignores level transform. Other objects, such as Static meshes are affected by the transform. This issue is not a regression. Versions tested: ...