# juju-core 1.24-beta5
A new development release of Juju, juju-core 1.24-beta5, is now available.
This release replaces version 1.24-beta4.
## Getting Juju
juju-core 1.24-beta5 is available for vivid and backported to earlier
series in the following PPA:
https://launchpad.net/~juju/+archive/devel
Windows and OS X users will find installers at:
https://launchpad.net/juju-core/+milestone/1.24-beta5
Development releases use the "devel" simple-streams. You must configure
the `agent-stream` option in your environments.yaml to use the matching
juju agents.
Upgrading from stable releases to development releases is not
supported. You can upgrade test environments to development releases
to test new features and fixes, but it is not advised to upgrade
production environments to 1.24-beta5.
## Notable Changes
This releases addresses stability and performance issues.
## Resolved issues
* Lxc network.mtu setting not set consistently across hosts
Lp 1442257
* Transaction collection (txns) grows without bound
Lp 1453785
* Firewaller gets an exception if a machine is not provisioned
Lp 1454599
* Jujud leaking file handles
Lp 1454697
* Destroying a machine with a placed unit errors then destroys
anyway.
Lp 1455158
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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