Comment by Culonavirus

One of recent Chromium updates (affected Chrome's and Edge's wide release, not just betas) completely broke all pages with select elements containing a large amount of option elements. We're talking 100+ times slower parsing of the page. An internal tool of ours went from rendering pretty much instantly to 30s long hangs and/or crashes.

Found the bug: https://issues.chromium.org/issues/341095522