BIRD 3.3.0 and 2.19.0 released

[Maria Matejka]

Dear BIRD users,

we are releasing BIRD versions 3.3.0 and 2.19.0. Both versions include all
relevant fixes applied in versions 3.2.1, 3.1.6, 2.18.1 and 2.17.4.
Downloads are possible at <https://bird.nic.cz/get-bird/> and in our upstream
repositories.

We have merged BGP autospawn based on received router advertisements.
Also, we changed the disabled BGP protocol behavior in 3.3.0 to align
with BIRD 2, so that disabled protocol actively blocks incoming connections
for that peer.

These versions contain BGP/EVPN/VXLAN support. Please check, and if you find
anything weird, please tell us. We also did an EVPN tutorial at RIPE 92:
<https://ripe92.ripe.net/programme/meeting-plan/sessions/59/7JB8K9/>

We have reworked BGP export tables in BIRD 3, so that they eat significantly
less memory.

We have fixed `show route for` in BIRD 3 to do the longest prefix match again.

There are also some more minor changes and fixes.

There are some outstanding bugs (in all versions) reported, and we're working
on fixing them. Some of these involve crashes in corner cases, and therefore,
in filters, we recommend to sanity-check lengths of the data you are working
with before running more complex operations. This applies mostly to community
lists and bgp paths, and it's a good practice anyway to drop routes with
enormously long paths or community lists.

Officially supported versions are now:

- 3.3.0 and 2.19.0 until 6 months after 3.4.0 and 2.20.0 get released
- 3.2.x and 2.18.x until end of November 2026
- LTS 3.1.x and 2.17.x tracking Debian Trixie

Also, on commercial note, we offer BIRD Support, so that you can get help with
configuration, priority access to critical bug fixes, and better influence
the overall development directions. It's the users paying for these services,
who keep the development running. More on that at our website:
<https://bird.nic.cz/commercial-services/>

Happy routing!
Maria and the BIRD Team

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