Hello! I'm glad that after update blender is working fine, I cane manage video there.

$ guix describe
Generation 35 Sep 21 2020 19:15:38 (current)
 guix f23e439
 repository URL: https://git.savannah.gnu.org/git/guix.git
 branch: master
 commit: f23e439f9f89b8dbcc5bf76135842a1e49f8526a

$ blender -v
Blender 2.83.5
September 14, 2020 5:19 PM, znavko@disroot.org (mailto:znavko@disroot.org) wrote:
Hi! I had workable blender long time ago when I used it (in summer). Now, it crashes every time I click 'Video Editing' from menu.
Terminal says this:

$ blender
Color management: using fallback mode for management
Color management: Error could not find role data role.
Read prefs: /home/bob/.config/blender/2.83/config/userpref.blend
Color management: scene view "Filmic" not found, setting default "Standard".
Color management: scene view "Filmic" not found, setting default "Standard".
Writing: /tmp/blender.crash.txt
Segmentation fault

$ cat /tmp/blender.crash.txt
# Blender 2.83.3, Unknown revision

# backtrace
blender(BLI_system_backtrace+0x20) [0x292b9d0]
blender() [0xa958e3]
/gnu/store/fa6wj5bxkj5ll1d7292a70knmyl7a0cr-glibc-2.31/lib/libc.so.6(+0x36b20) [0x7f889a2ccb20]
/gnu/store/lk6a2h2cwshq2kwx1gx0wd8xdr75343m-ffmpeg-4.3.1/lib/libswscale.so.5(+0x6dcba) [0x7f889aa0ecba]

$ blender --version
Color management: using fallback mode for management
Color management: Error could not find role data role.
Blender 2.83.3

$ guix describe
Generation 34 Aug 07 2020 21:03:07 (current)
guix 672b9bb
repository URL: https://git.savannah.gnu.org/git/guix.git (https://git.savannah.gnu.org/git/guix.git)
branch: master
commit: 672b9bb210808e27ab9c87a29e2de36240128151
Deletion of config gives nothing. Would you please recommend something to do?