- Added validation for directive declarations in `make_executable_schema` to prevent schema creation with undeclared directives.
- Replaced hardcoded HTTP statuses with `HTTPStatus` from the `http` stdlib module.
- Added `include_cookies` option to the `ExplorerApollo`.
- Fixed typing on `extract_data_from_request` method.
- Fixed tests websockets after starlette update.
- Added `share_enabled` param to `ExplorerPlayground` to enable share playground feature.
- Added support for nested attribute resolution in alias resolvers.
- Replaced regexes in the Apollo Federation implementation with cleaner approach using GraphQL AST.