TL;DR - updated server booking logic + tests and troubleshooter/UI text, fixed ICS feed title handling, widened email validation (.co.in), replaced fragile CSS truncation with JS logic, and fixed a few low priority bugs
https://github.com/calcom/cal.com/pull/23192
https://github.com/calcom/cal.com/pull/22359
https://github.com/calcom/cal.com/pull/23603
https://github.com/calcom/cal.com/pull/23572
https://github.com/calcom/cal.com/pull/23454
https://github.com/calcom/cal.com/pull/23304
https://github.com/calcom/cal.com/pull/23263