# Release 2.21.0

## TensorFlow

<INSERT SMALL BLURB ABOUT RELEASE FOCUS AREA AND POTENTIAL TOOLCHAIN CHANGES>

### Breaking Changes

* <DOCUMENT BREAKING CHANGES HERE>
* <THIS SECTION SHOULD CONTAIN API, ABI AND BEHAVIORAL BREAKING CHANGES>

### Known Caveats

* <CAVEATS REGARDING THE RELEASE (BUT NOT BREAKING CHANGES).>
* <ADDING/BUMPING DEPENDENCIES SHOULD GO HERE>
* <KNOWN LACK OF SUPPORT ON SOME PLATFORM, SHOULD GO HERE>

These last **three consecutive releases** are independent so that you can **migrate gradually**:

* First to FastAPI `0.68.2`, with no breaking changes, but upgrading all the sub-dependencies.
* Next to FastAPI `0.69.0`, which upgrades Starlette to `0.15.0`, with AnyIO support, and a higher chance of having breaking changes in your code.

error if FIPS 140-3 mode can't be enabled. func Supported() error { // Keep this in sync with fipsSupported in cmd/dist/test.go. // ASAN disapproves of reading swaths of global memory in fips140/check. // One option would be to expose runtime.asanunpoison through // crypto/internal/fips140deps and then call it to unpoison the range // before reading it, but it is unclear whether that would then cause // false negatives. For now, FIPS+ASAN doesn't need to work. if asanEnabled { return errors.New("FIPS...

// validation still applies. if puregoEnabled { return errors.New("FIPS 140-3 mode is incompatible with the purego build tag") } // ASAN disapproves of reading swaths of global memory in fips140/check. // One option would be to expose runtime.asanunpoison through // crypto/internal/fips140deps and then call it to unpoison the range // before reading it, but it is unclear whether that would then cause // false negatives. For now, FIPS+ASAN doesn't need to work. if asanEnabled { return errors.New("FIPS...