Operating system: Windows10 Home 1909
Graphics card: RTX 2070 Super
Broken: version: 2.83.0 Beta, branch: master, commit date: 2020-06-01 10:10, hash: 31cf87a29e00, type: Release
build date: 2020-06-01, 21:55:45
Worked: -> 2.83.0 Beta, branch: master, commit date: 2020-05-30 15:33, hash: ec26260132b4, type: Release
build date: 2020-05-31, 21:57:46
Short description of error
addons need to be re-enabled after switching File->New-> any choise other than "General" (2DAnimation, Sculpting, VFX, Video editing)
Exact steps for others to reproduce the error
Open blender
File->New->VFX (or one of 2DAnimation, Sculpting, VFX, Video editing)
Cycles disappears from Render Engine combobox. also Edit->preferences->system Cycles Render Devices section is empty.
Power Sequencer menu is absent.
If you disable and re-enable the addon, everyting is fine.