I've found that some websites are not working correctly* in Safari 17 on macOS 12.7.
* as intended, and as in other browsers including Safari 16
eg. Dropbox (or Apple Feedback Assistant website!)
My "workaround" was to downgrade back to Safari 16 by reinstalling macOS 12.7 (12GB download) which puts you back on Safari 15.6.1 and then installing the separate 16.6.1 updater download (so, not via System Update).
* as intended, and as in other browsers including Safari 16
eg. Dropbox (or Apple Feedback Assistant website!)
- try to use the site
- very slow to load
- even slower to respond to interactions
- will eventually reload itself because of problems
- some page elements are laid out incorrectly
- clicking links does not work
My "workaround" was to downgrade back to Safari 16 by reinstalling macOS 12.7 (12GB download) which puts you back on Safari 15.6.1 and then installing the separate 16.6.1 updater download (so, not via System Update).