Unreal Engine Issues

Editor crashes when attempting to open maps and modes subcategory after changing player pawn from migrated content folder location that gamemode is referencing

The editor crashes when a user attempts to open the maps and modes subcategory of project setting while using a gamemode from migrated content, then moves the player pawn in the content browser to a ...

Crash in UDataTable::RemoveRow(FName RowName)

This is a regression, the crash seem to have been introduced by CL 40129784 on ue5-main and persists in latest. Function UDataTable::RemoveRow(FName RowName) uses macro DATATABLE_CHANGE_SCOPE_SINGL ...

[Crash]-[Reimport] - Crash on reimporting CAD file with deleted light sources

Crash in Middle of PIE with Level sequences and MRQ running

Repro Rate: 5/5 Tested this a few times and the crash seems to come in at different intervals, some had the prestreaming almost finished, then would crash. Working on a video to show crash to add ...

PhysX Crash when Spawning Destructible Meshes at Runtime

I was only able to reproduce this issue after receiving the user's project. The project he provided crashes when I follow his directions, but after looking at the blueprints involved in the crash r ...

Crash upon adding an Interface to a Blueprint that has a function name that matches the name of a variable in the Blueprint.

When you add an Interface to a Blueprint that contains a variable with the same name as one of the Interface's functions, the editor will crash upon compiling the blueprint. In 4.16, this only cause ...

Crash when adding an Event Write node to a Niagara Scratch Pad module

It seems that the crash is related to all of the "Write" events. I tested the Event ChaosDestruction Write, Event Float Write, and Event Bool Write and all 3 caused the crash, but their "Read" count ...

iOS Metal-based build crashes at launch with sub-levels.

Application crashes when deploying a game to iOS with Metal enabled. This has only been reproduced if a sub-level has been added to the starting level within the project. This seems to only happen ...

Editor Crash when Add Client button is used

If the "Allow late joining" option is turned on in Editor Preferences, using the Add Client button in PIE will cause a crash on Exit. Crash happens immediately if using VR Preview ...

Crash occurs on Mac when using the Command-S keyboard shortcut to save a Blueprint if the Mac input language is set to Japanese Romaji

The Editor will crash when using the keyboard Command-S shortcut to save a Blueprint after adding a node if the Mac is set to use Japanese Romaji input. The crash actually seems to occur as soon as ...