+@anchor{Release 4.0}
+@item 4.0
+ @itemize
+ @item Backward incompatible change: all keys passing to encryption
+ functions are slices now, not the fixed arrays. That heavily
+ simplifies the library usage
+ @item Fix bug with overwriting IVs memory in @code{gost28147.CFB*crypter}
+ @item @code{TLSTREE}, used in TLS 1.[23], implementation
+ @item @code{gost3410.KEK2012*} can be used with any curves, not only 512-bit ones
+ @item @code{gost3410.PrivateKey} satisfies @code{crypto.Signer} interface
+ @item @code{gost34112012*} hashes satisfy @code{encoding.Binary(Un)Marshaler}
+ @item Streebog256 HKDF test vectors
+ @end itemize
+