Gerrit isn't displaying is:starred state in lists

Starring has become very unreliableannoying to use. A few weeks ago, I was still using it, and it worked as expected: You click the star in a query result (listing) and it gets filled, when you go to the change's page, it's reflected there, too.

Not so this week: I can no longer star Gerrit changes. NeitherAt least not in a list. norIt works on the change' page itself. After an F5, the star is gone again.

A bit later, I somehow got it to work except in a listing. When I opened a change's page, it was shown as starred, and queries involving is:starred worked as expected, too, but the listing didn't show the stars of starred changes as filled.

Today, a few days later, the same query that worked (topic:api-change-review-6.6 -is:starred, FWIW) now shows the same result as w/o the -is:starred, iow: Gerrit has lost my starring over the last few days.