# CHANGELOG for 3.x

This log contains the important changes for the 3.x versions.

- Added CurrencyConverterApi service
- Fixed Fixer service which now requires an access_key
- Added Forge service
- Added CurrencyDataFeed service
- Supported historical rates in National Bank Of Romania
- Support crypto currencies via Cryptonator
- New Russian Central Bank service

- e5234ea Added a .gitattributes file
- 24ba8f3 Use Httplug instead of egeloen
- 638255b PSR Cache implementation
- 80abb02 Add documentation about caching
- acd8eb6 Removed currency codes enumeration
- b0a8aba Added interfaces for CurrencyPair and Rate
- eefb252 Removed unused InvalidCurrencyCodeException
- 457a72a New Swap
- 02f0b66 Updated the documentation
- 55ab175 Rely on Exchanger 0.1
- 92a7d2c Updated README
- feb6102 Added a CHANGELOG file