Unreal Engine Issues
Unreal Engine Issues
[CrashReport] Mac crash in FThreadStats::FThreadStats()
UE - Platform - Apple - Jan 3, 2017This is a commonly reported crash from Mac users in the community. The repro steps are currently unknown, and appear to be varied based on user information below.zoomed out quickly while in a bluepr ...
Creating new objects inside ForEachObjectWithOuter may cause the bucket of the iterated outer to be read-locked permanently
UE - Foundation - Feb 8, 2022Not a Regression. Tested in: //UE5/Release-5.0 CL 18747223 Source-GitHub //UE4/Release-4.27 CL 18319896 Binary User Description: "The crash test code is located at Source/HashBucketLockedBug/Pr ...
Additive Animation does not work as intended when Ref Frame Index is more than zero
UE - Anim - Runtime - Dec 19, 2023In some conditions, additive animation shows different/wrong behavior on Standalone Game and packaged game, from the other PIE. Watch the attached video. [Link Removed] The key points to reproduce ...
Crash launch application adding .umap url
UE - Foundation - Core - Aug 6, 2020The application crashes when adding ".umap" to the launch map at application launch. If not specify ".umap", it will be able to launch application. There appears to be a failure to parse the URL. Th ...
Plugins need to support localization
UE - Editor - UI Systems - Localization - Jul 29, 2013Plugins need to support localization. Also requested by this licensee: https://udn.unrealengine.com/questions/280012/%E7%8B%AC%E8%87%AA%E3%81%AE%E3%83%95%E3%83%A9%E3%82%AF%E3%82%A4%E3%83%B3%E3%83% ...
[CrashReport] UE4Editor_UnrealEd!TSet<FEditorUndoClient * | SActorDetails::~SActorDetails
Tools - Sep 20, 2017This is a somewhat common crash coming out of 4.16 and 4.17. Users have not provided any description of their actions when the crash occurred. The top line of the callstack and the source context ...
Undo/Redo can cause the gizmo to desync from a leaf-selected component
UE - Editor - Workflow Systems - Oct 18, 2021This is a regression from 4.27. This is happening because of the change to typed elements. UEditorEngine::PostUndo, when combined with the typed element changes causes the selection set to reorder ...
Exporting process stuck in "Estimated time" phase when uploading projects with Panorama Sets & Presentation after freshly booting TM
TM - Core - Dec 4, 2024Cloud Build: TWINMOTION CL app-2023.2.33001994-2024.1.37216540-2025.1.38508591-cloud-2024.12.02.095314 (DEV / STAG, CHROME) Issue: Exporting process stuck in "Estimated time" phase when uploading p ...
iOS CloudKit Crash
UE - Platform - Mobile - Dec 12, 2019iOS app crashes when cloudsaves are active When attempting to deploy with 4.25 MAIN @ CL 10668484 it fails with error LogPlayLevel: === BUILD TARGET AJ_ioscloudsave OF PROJECT AJ_ioscloudsave WI ...
Destructible mesh does not trigger overlap event for objects/pawns that are not moving
UE - Simulation - Physics - Destruction - Dec 12, 2014DESCRIPTION: When using the generate overlap events for a destructible mesh with Static Mesh or skeletal mesh that is not moving will not generate an overlap event to be triggered. So long as the me ...