BIRD 3.2.0 and 2.18 released

[Maria Matejka]

Dear BIRD users,

we are releasing BIRD versions 3.2.0 and 2.18.

We have implemented BGP dynamic onlink/unnumbered and link-local connection scenarios
and fixed various behavior bugs in reconfiguration. Also, AS Sets in AS Paths are now
considered malformed by default.

For BIRD 3.2.0, we have split back the `igp_metric` attribute so that now you
may find also `local_metric` where applicable. There was a confusion in BIRD
3.0 and 3.1 arising from two distinct attributes in BIRD 2 named the same in
the code, and me not understanding what Santiago was telling me about that.
More on that in updated 3.2 documentation.

We have done various minor updates, e.g. flags in RAdv (both versions),
fixed a RIP non-determinism (v3) and additional CLI configuration bugs.

There have been some more core reworks, removing some more performance chokepoints.

Both versions also include all relevant fixes applied for 3.1.5 and 2.17.3.

Considering unfinished work, we also have several Babel patches pending which
we failed again to review in time to merge into 2.18. We'll do them as
soon as possible. Also, in BIRD 3.x, the "show route for" displays all covering
routes instead of just the longest prefix match. We're working on a fix but
it's quite a can of worms.

Officially supported versions are now:

- 3.2.0 and 2.18 until 6 months after 3.3.0 and 2.19 get released
- LTS 3.1.x and 2.17.x, expected to track Debian Trixie

The DEB packages in pkg.labs.nic.cz are already there, and RPMs will come soon.
Please note that the upstream DEBs weren't built directly from the
tagged commit but from the `release-v2.18` and `release-v3.2` branch
because of our current CI limitations. We'll fix that for later
versions.

Happy new year!  
Maria and the BIRD Team

-- 
Maria Matejka (she/her) | BIRD Team Leader | CZ.NIC, z.s.p.o.
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