Unreal Engine Issues
Unreal Engine Issues
Change in bitfield in a USTRUCT fails to replicate to clients
UE - Networking - Jun 23, 2015In the sample project provided on UDN, the server changes a bitfield value but the change fails to replicate to the client. ...
Ensure when changing the separate translucency buffer resolution and open the map in which PostProcessVolume is placed
UE - Rendering Architecture - May 22, 2024TAssetPtrs are not properly fixed up in client PIE instances
Tools - Aug 18, 2015Contrary to the linked UDN question, this doesn't seem to require the actor to be replicated. The problem is that when UWorld::DuplicateWorldForPIE is called for a PIE client instance's persistent ...
CharacterMovement doesn't clear velocity
UE - Simulation - Physics - Oct 11, 2024Velocities are not being cleared when physics simulation set to false. ...
Math Nodes are not updating on input
UE - Rendering Architecture - Materials - May 11, 2015Add, Multiply, Subtract and Divide Nodes in the Material Editor are not longer updating on input but on the next node added to the Material. Also Reproduced in Main Promotable-CL-2541904 [Link Rem ...
Discrepancy in capsule distance to floor when crouching
UE - Gameplay - Components - Aug 30, 2017When crouching is set in the CharacterMovement Component, the distance from the character capsule to the floor increases by one unit while crouching. Regression: No - Same behavior occurs in 4.16.3 ...
Gear VR Touchpad input broken
UE - Platform - XR - Jul 27, 2018Gear VR Touchpad input no longer functioning in 4.20 Noticed this appearing in 4.20 logs from device (did not appear in 4.19 logs): LogOcInput: Get touchpad main with data 0.000000 0.000000 Also t ...
StructUtils plugin's `FInstancedStruct` in a CPP-defined struct in a `TArray` on an actor component defined in CPP and implemented in BP. Populating the instanced struct in an actor BP's class defaults breaks serialization of the class defaults.
UE - AI - May 30, 2025Context Instanced structs are great for holding simple data with the main advantage they have is a low memory overhead unlike instanced objects. Problem The problem is in StructUtils plugin's `FIns ...
Child actor component removed when changing the class of a child actor component
UE - Gameplay - Components - Mar 27, 2017Child actor component removed when changing the class of a child actor component. Only the default class for the child actor component is used. If the user attempts to change the class the child act ...