Other than improved performance, a set of changes has been introduced that affects how the API is used:

Removed X-RF-Content-SHA256 and X-RF-Created response headers
- Replaced by ETag and Last-Modified headers
Merged flow status endpoints into one endpoint
Renamed flow response property for flows to id
Renamed name response property for blocks to id
Added block lookup endpoint
Files directory lookup moved to a new separate endpoint
Added owner response property for flows
Improved OpenAPI documentation
All request and response properties use snake_case
- The query block is an exception due to upstream requirements