Unreal Engine Issues
Unreal Engine Issues
Possession is not replicated properly to some clients
UE - Networking - Nov 8, 2018A user has reported an issue where Possession replication or Character Movement replication, unsure of which, is not working properly for some clients. It seems to work fine for the first client but ...
AnimNotify Issue with LevelSequencer Actor with URO
UE - Anim - Runtime - Anim Blueprints - May 19, 2025Sometimes AnimNotify does not fire when an animation is executed under the following conditions. 1. The CharacterMesh's AnimationMode uses UseAnimationAsset 2. CharacterMesh's URO is enabled (Enable ...
Updating a meshes UCX collision in an FBX will not reimport with the updated collision if it's been removed
UE - Editor - Content Pipeline - Import and Export - Jan 14, 2015DESCRIPTION: When making a mesh with custom collision with the naming convention of UCX and exporting the FBX for use in UE4 the collision will import and update if any changes are made and reimport ...
Custom Profiles Don't Update Maps To Cook When One Is Deleted
Tools - Feb 10, 2020If you delete a map while it is marked to be cooked in a custom profile, then run the custom profile the map won't be deleted from the profile .ulps. I wasn't able to launch using the new custom pr ...
Extracting Sprites from Padded Non-Power of Two Textures are Offset
UE - Gameplay - Paper2D - Oct 12, 2015Extracted Sprites are offset when importing a non-power of two sprite sheet, padding it to a power a two mode, and then using the extract function. You can see this offset clipping of the extracted ...
Dependent modules, compiled from editor, link to wrong versions
UE - Platform - Linux - Aug 2, 2019The project consists of 2 modules, "ReloadBug" and "DependentModule." DependentModule has a one-way dependency on ReloadBug, and ReloadBug is the primary game module. On module load, DependentModule ...
ARCore plugin missing 'tools' components
UE - Platform - XR - Jul 28, 2018https://forums.unrealengine.com/development-discussion/vr-ar-development/1494917-ue-4-20p4-arcore-image-database-cannot-build/page2 Bo Pang from Google writes: "I think there are two issues here: 1 ...
Graphical Artifacts in Editor with Macs using Certain AMD Graphics Cards
UE - Graphics Features - Sep 17, 2015Users are reporting black and splotchy like graphical issues in their projects when working on a Mac and using an AMD graphics card. The user in the link provided mentions, "that UE 4.8.3 is withou ...
UMG Widget Hierarchy auto-expands on simple changes causing frustration and a slow work flow
UE - Editor - UI Systems - Oct 10, 20161. Create a hierarchy in UMG that has a couple layers deep of children such as vertical boxes that have multiple children that are vertical boxes, widget switchers .. 2. Collapse all children in th ...
PlatformerGame app crashes after opened on tvOS
UE - Platform - Mobile - Nov 30, 2016PlatformerGame is crashing when packaged and launched on tvOS. Assertion from console log:Nov 30 11:03:12 Apple-TV-Joey PlatformerGame[519] <Notice>: Assertion failed: FMath::TruncToInt(drawableSize ...