@davidcze sync code changes daily. You may want to check out Daily Expiring Sync Codes: Not Meant for Backup
If you do on the same day, it shouldn’t be a problem. But there is one other potential issue, which is that some have been reporting issues of not being able to sync passwords using Android 14. This issue is being looked into but been happening randomly since February. So if you can find a secondary way export or save your passwords, you may want to do that.
Guess big aspect worth repeating is not to rely on it to retain everything. While it can and often does work well, there’s no guarantees.