* Support for Python 3.9 has been removed starting with TF 2.21.
* The TensorBoard (TB) dependency has been removed starting with TF 2.21.

### Major Features and Improvements

* `tf.lite`
    * Adds int8 and int16x8 support for SQRT operator.
    * Adds int16x8 support for EQUAL and NOT_EQUAL operators.
    * Adds support for int2 type.
    * Adds support for int2/int4 in tfl.cast .

	SHA256MSG2 (BX), X11     // 440f38cd1b
	SHA256MSG2 (R11), X11    // 450f38cd1b
	SHA256MSG2 X2, X11       // 440f38cdda
	SHA256MSG2 X11, X11      // 450f38cddb
	// Test VPERMQ with both uint8 and int8 immediate args
	VPERMQ $-40, Y8, Y8 // c443fd00c0d8
	VPERMQ $216, Y8, Y8 // c443fd00c0d8
	// Test that VPERMPD that shares ytab list with VPERMQ continues to work too.
	VPERMPD $-40, Y7, Y7 // c4e3fd01ffd8

The definitions of those identifiers, written as Go functions, types,
or variables, are provided in _cgo_gotypes.go.

Here is a _cgo_gotypes.go containing definitions for needed C types:

	type _Ctype_char int8
	type _Ctype_int int32
	type _Ctype_void [0]byte

The _cgo_gotypes.go file also contains the definitions of the
functions. They all have similar bodies that invoke runtime·cgocall

		return
	}

	type Smallint int8

	type MigrateInt struct {
		Int8 Smallint
	}

	tracer := Tracer{
		Logger: DB.Config.Logger,
		Test: func(ctx context.Context, begin time.Time, fc func() (sql string, rowsAffected int64), err error) {
			sql, _ := fc()
			if strings.HasPrefix(sql, "ALTER TABLE \"migrate_ints\" ALTER COLUMN \"int8\" TYPE smallint") {

pkg syscall (darwin-arm64), type Statfs_t struct, Fssubtype uint32
pkg syscall (darwin-arm64), type Statfs_t struct, Fstypename [16]int8
pkg syscall (darwin-arm64), type Statfs_t struct, Iosize int32
pkg syscall (darwin-arm64), type Statfs_t struct, Mntfromname [1024]int8
pkg syscall (darwin-arm64), type Statfs_t struct, Mntonname [1024]int8
pkg syscall (darwin-arm64), type Statfs_t struct, Owner uint32

should be 1 pos += 1 continue } if window < width/2 { carry = 0 naf[pos] = int8(window) } else { carry = 1 naf[pos] = int8(window) - int8(width) } pos += w } return naf } func (s *Scalar) signedRadix16() [64]int8 { b := s.Bytes() if b[31] > 127 { panic("scalar has high bit set illegally") } var digits [64]int8 // Compute unsigned radix-16 digits: for i := 0; i < 32; i++ { digits[2*i] = int8(b[i] & 15) digits[2*i+1] = int8((b[i] >> 4) & 15) } // Recenter coefficients: for i := 0; i < 63; i++ { carry...

should be 1 pos += 1 continue } if window < width/2 { carry = 0 naf[pos] = int8(window) } else { carry = 1 naf[pos] = int8(window) - int8(width) } pos += w } return naf } func (s *Scalar) signedRadix16() [64]int8 { b := s.Bytes() if b[31] > 127 { panic("scalar has high bit set illegally") } var digits [64]int8 // Compute unsigned radix-16 digits: for i := 0; i < 32; i++ { digits[2*i] = int8(b[i] & 15) digits[2*i+1] = int8((b[i] >> 4) & 15) } // Recenter coefficients: for i := 0; i < 63; i++ { carry...

pkg reflect, const Float64 = 14
pkg reflect, const Func = 19
pkg reflect, const Int = 2
pkg reflect, const Int16 = 4
pkg reflect, const Int32 = 5
pkg reflect, const Int64 = 6
pkg reflect, const Int8 = 3
pkg reflect, const Interface = 20
pkg reflect, const Invalid = 0
pkg reflect, const Map = 21
pkg reflect, const Ptr = 22
pkg reflect, const RecvDir = 1
pkg reflect, const SelectDefault = 3