Javascript error in version 7.1-beta.17
After launching version 7.1-beta.17, I see a "'value' must be a string" error:
This is using version 7.1-beta.17+05f3ea3b8 (64-bit) on Linux.
Report ID: 608125975

This is using version 7.1-beta.17+05f3ea3b8 (64-bit) on Linux.
Report ID: 608125975
The custom theme does reappear when I update to 7.1-beta.17 again.
Report ID: 162982956