I noticed that Electrum is no longer able to connect to my electrum server, even though I have never changed my server's conf file. 
Version 4.5.8 is now available with very few changes:
Version 4.5.8 is now available with very few changes:
# Release 4.5.8 (Oct 23, 2024)
* Qt Desktop GUI:
- fix: regression: bump_fee and dscancel dialogs erroring (#9273)
* Qt Desktop GUI:
- fix: regression: bump_fee and dscancel dialogs erroring (#9273)