Draft Impish Indri Release Notes
These release notes for Ubuntu 21.10 (Impish Indri) provide an overview of the release and document the known issues with Ubuntu and its flavours.
Ubuntu 21.10 will be supported for 9 months until July 2022. If you need Long Term Support, it is recommended you use Ubuntu 20.04 LTS instead.
New features in 21.10
Probably mention Python and ruby and perl and PHP.
nftables is now the default backend for the firewall.
New things here!
- AWS EC2 AMIs use now chrony as a time sync service together with the AWS provided timeserver
As is to be expected, with any release, there are some significant known bugs that users may run into with this release of Ubuntu. The ones we know about at this point (and some of the workarounds), are documented here so you don’t need to spend time reporting these bugs again:
- This is not an issue per-se, but enough visible to be release-note worthy. Starting with 20.04.3 useradd will not allow creating full-numeric usernames (e.g. 123, 1337). Such usernames cause issues with components such as systemd, so it was safer to disallow them altogether (bug 1927078).
- systemd is being switched to the “unified” cgroup hierarchy (cgroup v2) by default. If for some reason you need to keep the legacy cgroup v1 hierarchy, you can select it via a kernel parameter at boot time:
The release notes for the official flavours can be found at the following links:
- Kubuntu Release Notes
- Lubuntu Release Notes
- Ubuntu Budgie Release Notes
- Ubuntu Kylin Release Notes
- Ubuntu MATE Release Notes
- Ubuntu Studio Release Notes
- Xubuntu Release Notes
Your comments, bug reports, patches and suggestions will help fix bugs and improve the quality of future releases. Please report bugs using the tools provided. If you want to help out with bugs, the Bug Squad is always looking for help.
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