[ANNOUNCE] dbus-broker v26

[David Rheinsberg]

Hi

We just released v26 of dbus-broker. It improves the
service-activation of the compatibility launcher by better tracking
unit failures. Furthermore, it contains improvements for embedded
use-cases and some minor fixes all over the place.

All users are recommended to upgrade.

https://github.com/bus1/dbus-broker/releases/tag/v26

## CHANGES WITH 26:

* Improve the service activation tracking of the compatibility
launcher. We now track spawned systemd units for their entire
lifetime, so we can properly detect when activations fail.

* Work around a kernel off-by-one error in the socket queue accounting
to fix a race-condition where dbus clients might not be dispatched.

* Support running without `shmem` configured in the kernel. This will
make the broker run better on limited embedded devices.

Contributions from: Chris Paulson-Ellis, David Rheinsberg, Tim Gates

- Dußlingen, 2021-01-20