v5.1.0
- Update recommended node to v22 + Update docker images to use node 22 (#1438) by @acalcutt
- Upgrade Express to v5 + Canvas to v3 + code cleanup (#1429) by @acalcutt
- Terrain Preview and simple Elevation Query (#1425 and #1432) by @okimiko
- add support for x-forward-port header (#1423) by @daniel-milemarker
- add progressive rendering option for static jpeg images (#1397) by @samuel-git