We're pleased to announce the release of OLPC OS 12.1.0 for XO-1,
XO-1.5 and XO-1.75. Details of new features, known issues, and how to
download/install/upgrade can all be found in the release notes:
Many thanks to all contributors, testers, upstreams, and those who
have provided feedback of any kind.
For those who were following the release candidate process in the last
few weeks: candidate build 21 is released as final with no changes.
Thanks and enjoy!