This release uses the release version 1.0 because the log4cpp library is very stable over many years.
This release includes many bugfixes and enhancements which makes the library very stable and much more useful for any cpp project which need a nice logging framework.
Under the ohloh website you may find some useful informations about the code history and other useful information. (http://www.ohloh.net/projects/3598?p=log4cpp).
To see whats happend in the code you can have a look into the changelog.
Many thanks to all developers and users which have support this project!