# 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>

========== // The implementations for gcmHash and gcmInit are based on the generated asm // from the script https://github.com/dot-asm/cryptogams/blob/master/ppc/ghashp8-ppc.pl // from commit d47afb3c. // Changes were made due to differences in the ABI and some register usage. // Some arguments were changed due to the way the Go code passes them. // Portions that use the stitched AES-GCM approach in counterCryptASM // are based on code found in // https://github.com/IBM/ipcri/blob/main/aes/p10_aes_gcm.s...