Reply To: your site doesn't include support for the block

• Hardweb.it

• February 5, 2021 at 4:52 am

All is working fine with WP version >= 5.6

So definetly this is the couple:
Use and keep ACF 5.9.3 with any WP version.
Update to ACF 5.9.4 only if you already updated your WP version to 5.6>

That’s all.