Not only that: Dovecot 2.4 will also remove the functionalities of dsync, replicator and director [1]. This is frustrating and a big loss as these enabled e.g. very simple and reliable two-node (active-active) redundant setups, which will not be possible anymore with 2.4.
I use it for years to achieve HA for personal mail servers and will now have to look for alternatives -- until then will stick with Debian Bookworm and its Dovecot 2.3.
I use it for years to achieve HA for personal mail servers and will now have to look for alternatives -- until then will stick with Debian Bookworm and its Dovecot 2.3.
[1] https://doc.dovecot.org/2.4.0/installation/upgrade/2.3-to-2....