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Fixed in 2021.3.36f1, 2022.3.21f1, 2023.2.13f1, 2023.3.0b3, 7000.0.0a1



Found in



Issue ID




[Linux] Crash on DestroyGtkWidget when setting Layout to Default, or creating a project from a template, or going through tutorial project's steps



Reproduction steps:
1. Create a new 3D project
2. Set Layout to Default
1. Create a new project from a tutorial template such as an FPS Microgame template
2. Go through the tutorial

Expected result: Either the layout is set to default or go through the tutorial as usual
Actual result: Unity Editor crashes

Reproducible with: 2021.3.30f1, 2022.3.10f1

Reproducible on: Ubuntu 23.04, Arch, Fedora, Manjaro, EndeavourOS, SteamOS
Not reproducible on: no other environment reported this crash

First lines of the stack trace:
#2 0x007fc4d94e0077 in g_type_check_instance_cast
#3 0x0055693f488ac4 in DestroyGtkWidget(void*)
#4 0x0055693f45b9f2 in PerformDelayedHandleDestruction(void*)
#5 0x007fc4d910df19 in g_source_query_unix_fd
#6 0x007fc4d916c2b7 in g_io_channel_new_file
#7 0x007fc4d910eb47 in g_main_loop_run


* This crash could not be reproduced by CQA, but there are a lot of crash reports of it
* All the listed versions are taken from other bug reports

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