- [Removed](#removed-21)
- [v1.19.0-beta.2](#v1190-beta2)
  - [Downloads for v1.19.0-beta.2](#downloads-for-v1190-beta2)
    - [Source Code](#source-code-21)
    - [Client binaries](#client-binaries-21)
    - [Server binaries](#server-binaries-21)
    - [Node binaries](#node-binaries-21)
  - [Changelog since v1.19.0-beta.1](#changelog-since-v1190-beta1)
  - [Changes by Kind](#changes-by-kind-21)

is **compatibility** with Pydantic v1 and v2, to make sure your current apps keep working. Later there will be more focus on refactors, correctness, code improvements, and then **performance** improvements. Some third-party early beta testers that ran benchmarks on the beta releases of FastAPI reported improvements of **2x - 3x**. Which is not bad for just doing `pip install --upgrade fastapi pydantic`. This was not an official benchmark and I didn't check it myself, but it's a good sign.

###...

.thead-dark th {\n    color: inherit;\n    border-color: #dee2e6;\n  }\n}\n\n/*# sourceMappingURL=bootstrap.css.map */","// Hover mixin and `$enable-hover-media-query` are deprecated.\n//\n// Originally added during our alphas and maintained during betas, this mixin was\n// designed to prevent `:hover` stickiness on iOS-an issue where hover styles\n// would persist after initial touch.\n//\n// For backward compatibility, we've kept these mixins and updated them to\n// always return their regular pseudo-classes...