Below is the file 'readme.txt' from this revision. You can also download the file.

Botan 1.6.3

Botan 1.6 is mostly compatible with Botan 1.4, and many applications
written against 1.4 will work against 1.6 without any modifications.
However some applications, particularly ones doing complex processing,
will require changes to match the new API.

You can file bugs at http://www.randombit.net/bugzilla

Jack
(lloyd@randombit.net)