See also http://pvp.haskell.org/faq

0.3.0.0

• Semantic change: Switch to base64-bytestring-1.2.1 which provides even stricter Base64 decoding semantics regarding padding; switch to base16-bytestring-1.0.1 which results in changed error messages.

• Add support for encoding/decoding to/from padded base32 & base32hex.

0.2.0.0

• Semantic change: Switch to base64-bytestring-0.2.0 which provides stricter Base64 decoding semantics regarding padding.

• Add support for encoding/decoding to/from unpadded base64url.

0.1.0.0

• First version. Released on an unsuspecting world.