Notable Changes
- Make GTFS GraphQL API an official API #5339
- Make Transmodel GraphQl API an official API #5573, #5637
- Deprecate REST API #5580
- Transit group priority #4999, #5583, #5638
- Transmodel GraphQL API for pass-through searches #5320
- Migrate to Java 21 #5421
- New debug client #5334
- Update to latest GTFS Flex spec draft #5564, #5655
- Restructure walk/bicycle/car preferences in router-config.json #5582
The full changelog is available at https://docs.opentripplanner.org/en/v2.5.0/Changelog/