Following a new realease including changes in the spreadsheet script, the block does not appear on frontend; the block appears or not depending on the user saving it.
sdeshmuk identified it as a cache problem related to version number not bumped.
We could either bump the version number, or make it depend on the time the file was last changed.
- Update version number every time we change anything in CSS or JS
- Add version number to all assets to Master and plugin blocks