Unreal Engine Issues
Unreal Engine Issues
Procedural Mesh generated on BeginPlay does not collide with sweep actors in a packaged game
UE - Gameplay - Nov 10, 2016If a Procedural Mesh is created on BeginPlay (at runtime) instead of in the Construction Script, collision with non-player objects does not register correctly in packaged or launched games. This wor ...
Start Up Movies Are not Playing for iOS Devices when using Launch-On
UE - Platform - Mobile - Dec 9, 2016When designating 3 Intro/Start Up movies to play back to back in the Project Settings of a mobile project, the user reports that they will play as expected for Android devices, but only one movie wi ...
Compile failure adding C++ Vehicle or VehicleAdvanced pack to a project
UE - Gameplay - Jan 11, 2017Adding the C++ Vehicle feature pack to a project fails to compile with the following error:CompilerResultsLog: Info Error: Couldn't find parent type for 'TP_VehiclePawn' named 'AWheeledVehicle' in c ...
Eyedropper in the Color Picker window does not grab any color values on Mac/Linux
UE - Graphics Features - Jan 5, 2018Trying to use the eyedropper in the color picker window on Mac fails to grab any color values. The colors will only update when hovering or clicking within the viewport but the colors shown aren't c ...
Inconsistent Red X icons when using World Composition
UE - World Creation - Worldbuilding Tools - World Composition - Sep 20, 2018This issue takes a few attempts to repro. Sometimes when saving the icons will remain normal, but other times a red X will be displayed instead. Opening up the Level that is displaying the X and re= ...
CharacterMovementComponent causes the Character to slide when jumping on moving objects
UE - Gameplay - Player Movement - Sep 21, 2018When the CharacterMovementComponent makes the transition from falling to walking, it retains the forward velocity it had while falling. When the character lands on the moving object, its new velocit ...
When a client sends an Unreliable RPC to the Server in same frame with a Reliable RPC, Unreliable RPCs are Reliable
UE - Networking - Sep 25, 2018When a client sends an Unreliable RPC to the Server in same frame with a Reliable RPC, Unreliable RPCs are Reliable. It implies extremely high lag on each lost RPC and all following ones. User lose ...
Morph Target Previewer does not refresh during Reimport
Tools - Jun 19, 2018Reimporting an asset with Morph Targets does not refresh the Morph Target Previewer. Any newly-imported Morph Targets appear to not have been imported. Closing and reopening the Skeletal Mesh Editor ...
Debug information is sometimes missing when compiling with cl-clang
UE - Foundation - Cpp Tools - UnrealBuildTool - Aug 24, 2023Via UDN: As has been discussed previously here and in CL 20055361, debug information is sometimes missing when compiling with Clang. We've pinpointed this to debug information not being emitted fo ...
ContentExamples PhysicalAnimation hit reaction example does not react
Docs - Samples - Aug 11, 2015The Hit Reaction Physics Animation Blending example in the ContentExamples PhysicalAnimation map does not react to being clicked on. REGRESSION: Yes Worked: 4.8.3. Binary Broken: 2647674 ...