Unreal Engine Issues
Unreal Engine Issues
Jittering effect with Physics Constraint Actor using Linear Limits
UE - Simulation - Physics - Mar 26, 2018Jittering effect with Physics Constraint Actor using Linear Limits. This only seems to affect the Physics Constraint Actor from the Modes panel, with the static mesh starts near the physics constrai ...
Child character's Variable changes to the default value in a packaged project
UE - Gameplay - Blueprint - Jun 22, 2015Child character's Variable changes to the default value in a packaged project. User Description: Name of player character resets (to default value specified in parent class) after packaging. 3. P ...
Steam API is disabled when playing in Standalone Game
UE - Online - May 11, 2020The Steam API is disabled when playing a Standalone Game that was started using the Play button. REGRESSION: Yes Worked: 4.24.3 Binary CL-11590231 Broken: 4.25 Binary CL-13261010 I do not see this ...
Default values specified for local BP variables of type DateTime and Timespan don't actually work
UE - Gameplay - Blueprint Runtime - Nov 6, 2020Have attached examples of this in action, including breakpoints showing the FDateTime::Ticks count as zero. Also showed that this is an issue for the existing GetYear/GetMonth/GetDay methods (and an ...
Sequencer - When a subsection has negative play rate, any nested sub-subsections fail to evaluate
UE - Anim - Sequencer - Jul 3, 2025Consider a sequence hierarchy with more than two layers. If the top-level sequence uses a negative timescale on a sub-sequence, the contents inside it animate as expected, but any nested sub-sequenc ...
Objects animated in Sequencer fail to trigger collisions against stationary characters with character movement components
UE - Gameplay - Player Movement - Oct 22, 2024When an object, such as a cube, is animated in sequencer and that object's path intersects a stationary character with a character movement component, the object will pass through the character with ...
SSR Experimental Denoiser crashes when enabled using Vulkan
UE - Graphics Features - Apr 27, 2020Enabled the SSR Experimental Denoiser using Vulkan causes the Engine to crash. This crash does not happen with DX11 or DX12. This happens on Linux and Windows (-vulkan). This was reported and teste ...
Clion isn't recognized on Linux
UE - Platform - Linux - May 4, 2020Setting CLion as the default IDE causes Unreal to not recognize it as a compiler. You are unable to compile C++ projects or create new ones with it set this way. This was reported and tested in 4. ...
Duplicating Example Level Prevents the Copy From Being Saved
Tools - Oct 27, 2015In a project, if you duplicate the example level and attempt to save it, the save will finish, but the asterisk will remain on the file. Attempting to open the duplicated map will prompt another sav ...
[CrashReport][Crash] crash at exit due to pending perforce background tasks
UE - Editor - Workflow Systems - Jul 16, 2024Users affected: 440 Total occurrences: 672 Last occurrence: July 16th 2024, 2:40:01 pm First occurrence: December 31st 2023, 1:47:28 pm Latest version: ++UE5+Release-5.3-CL-29314046 Platform: Win64 ...