Unreal Engine Issues
Unreal Engine Issues
Interface functions called as events in Blueprints that implement the interface cannot be set to replicate
UE - Gameplay - Blueprint - Jun 11, 2015Interface functions called as events in Blueprints that implement the interface cannot be set to replicate. When the event node is clicked, the Details panel is empty. Reproduced in 4.7.6, 4.8, and ...
IsOverlappingActor is always returning false
UE - Gameplay - Sep 23, 2015When you use the IsOverlappingActor node to determine whether or not something is overlapping another actor, it returns false regardless of whether or not you're actually overlapping another actor. ...
Meshes simulating physics cannot roll smoothly across multiple connected meshes
UE - Simulation - Physics - Jul 30, 2018A user has reported a physics regression from 4.19 to 4.20 where attempting to roll a static mesh down a slope made of multiple meshes no longer results in a smooth roll. The static mesh will skip a ...
Materials Added to an FBX Will Not Be Added When Reimporting
Tools - Oct 25, 2018Adding a material to an FBX with a Multi/Sub-object material, then reimporting the FBX will not import the new material. The material element will be added to the mesh but the material applied will ...
Compiling a Blueprint that references a deleted Macro from a Custom Macro Library will crash the editor
UE - Gameplay - Blueprint - Sep 3, 2015Compiling a Blueprint that references a deleted Macro from a Custom Macro Library will crash the editor. Crash Report: [Link Removed] This is a regression: did NOT occur in 4.8.3. Reproduced in 4. ...
Changes in Blueprint Properties not Updated in placed Instance
UE - Gameplay - Blueprint - May 16, 2016When changing some properties in a Blueprint, the changes are not reflected in placed instances of the Blueprint. I've included repro steps from the licensee who reported this. I verified these step ...
Find Sessions Consistently Returning Results Length of 0
UE - Networking - Feb 24, 2017It appears that as of 4.15, there is an issue with creating/joining sessions. The attached test project worked fine previously in 4.14, but now is unable to join sessions. The user has stated: Th ...
iOS movie become laggy and crashes when played in iPhone 6/6s.
UE - Platform - Mobile - Feb 24, 2017Movie play in iOS is laggy and crashes in some movie. This issue seems to be happening when the movie is played in umg widget. Tested in 4.14.3 4.15 Dev_Mobile Latest as of 2/24 Original UDN post ...
Crash Occurs When Running EQS Query on Mobile
UE - AI - Oct 19, 2016Deploying a project to a mobile device that runs an EQS Query is causing the game to crash on the device. This has been tested with a Galaxy Note 4 and iPhone 5s. Attached are the logs from the de ...
Engine Crashes When Trying To Reimport Skeletal Mesh For One That Has No Clothing Data
UE - Simulation - Physics - Character - Jan 17, 2020The engine crashes when trying to reimport a skeletal mesh that has no clothing data. This seems related to https://jira.it.epicgames.net/browse/UE-86948. Found in 4.24.1 CL#10757647 Reproduced in ...