Confirmed in 26.1-snapshot-3 and 26.1-snapshot-4.
Confirmed in 26.1-snapshot-2.
Confirmed in 1.21.11 and 26.1-snapshot-1.
Confirmed in 1.21.11 pre-release 1.
Confirmed in 25w46a.
Confirmed in 25w45a.
Confirmed in 25w44a.
Confirmed in 25w43a.
Confirmed in 1.21.10 and 25w42a.
Confirmed in 25w37a.
Confirmed in 25w34b.
Confirmed in 25w32a.
Confirmed in 1.21.8 and 25w31a. I have also noticed that the bug is directional: if the water is refilling from the south and the east it will not happen, but from all other directions it will freeze as it is refilling.
Confirmed in 1.21.7. I would also like to request ownership of this bug (I am the original owner before it migrated) so that I can continue updating it.
Confirmed in 1.20.2.
Confirmed in 23w16a.
Confirmed in 26.1-snapshot-5. Again, I would like to request ownership of this bug. Currently, the bug says it is shared with me as the creator, but I do not have access to editing the request.