I tried clearing all wp caches including opcache, disabling browser cache on chrome, and enabling cloudflare dev mode when it happened yesterday. All caching should be bypassed at that point.
Anyways, I updated to 5.5.0 again today and all is working fine. Probably some cache was still lingering somewhere yesterday.
Thanks for the help!
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This reply was modified 4 years, 3 months ago by lwj5.