@numericcitizen It's been successfully deployed on our staging server, and we'll be merging the backend PR later today for other servers to support push!
https://github.com/pixelfed/pixelfed/pull/5303
You should expect an app update within the next 24 hours, and combined these two updates will allow for push notifications*
* - limited to approved servers (https://docs.pixelfed.org/running-pixelfed/push-notifications.html#instance-approval-and-api-key-requirement)