# juju-core 1.21.1
A new proposed stable release of Juju, juju-core 1.21.1, is now available.
This release may replace 1.20.14 on Thursday January 29 after a period
of evaluation.
## Getting Juju
juju-core 1.21.1 is available for utopic and backported to earlier
series in the following PPA:
https://launchpad.net/~juju/+archive/proposed
The proposed packages in this archive use the proposed simple-streams.
You must configure the 'agent-stream' option in your
environments.yaml to use the matching juju agents.
agent-stream: proposed
## Notable Changes
This releases addresses stability and performance issues.
## Resolved issues
* Osx versionpanic: osversion reported an error: unknown series
Lp 1414800
Finally
We encourage everyone to subscribe the mailing list at
juju-...@lists.canonical.com, or join us on #juju-dev on freenode.
--
Curtis Hovey
Canonical Cloud Development and Operations
http://launchpad.net/~sinzui
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