Unreal Engine Issues

[CrashReport] Mac/Metal Intel compiler crash - UE4Editor-MetalRHI.dylib!CreateMTLRenderPipeline()

Mark S: This is an Intel compiler failure on macOS 10.12.6. Callstack from LogAssertion failed: [File:/Users/build/Build/++UE4+Release-4.18+Compile/Sync/Engine/Source/Runtime/Apple/MetalRHI/Privat ...

Disabling "Support Stationary Skylight" Causes Crash With Forward Shading Enabled

Disabling 'Support Stationary Skylight' crashes if you select anything in the editor when Forward Shading is also enabled. Working as expected 4.19 4033788 Found in 4.20 CL# 433996 and 4.21 CL# 42 ...

Live: Crash when opening a blueprint who's component was edited in VS

Added functionality to a blueprint component through code and built the project in VS. After a hot reload, I saved the blueprint and closed the editor. Reopening the editor and the blueprint cause ...

Component in Child Blueprint Parented to Inherited Component Disappears

When you have a child blueprint that contains a component that is parented to an inherited component, changing a value on that inherited component in the original parent blueprint and then compiling ...

If enable iostore and run BulkData.lock twice on the same frame, the second time get pointer will be nullptr

Add and Renaming collapsed graphs in functions breaks refs to local vars

When creating a class (of any kind i.e. an actor), when a collapsed graph is compiled the ref breaks when adding or renaming the graph. ...

Blueprints copied or moved to another level do not retain variable references to other Actors that are also copied or moved

Blueprints copied or moved to another level do not retain variable references to other Actors that are also copied or moved. Reproduced in 4.7.5 binary and Main (//depot/UE4/Promotable-CL-2507843) ...

Character Blueprint Cannot Execute Montage to Play at a Negative Play Rate

While an Animation Montage can be played at a negative play rate in Persona, the user cannot use the Character Blueprint to execute this action. ...

Blueprint CanJump node will return true once after current jumps is over max jumps and never return true again

CanJump Blueprint node will return true for 1 jump after "MaxJumps" and if this happens, will never return true again, even after Character has landed and CurrentJumps has reset. ...

Precomputed Visibility no longer calculated on Landscapes

Placing a Precomputed Visibility Volume around or through a landscape does not seem to calculate precomputed visibility for that landscape. This is a regression from behavior in 4.7.6. Also Tested ...