[OpenSIPS-Business] [OpenSIPS-Users] OpenSIPS 4.0.0 major release, beta version

Bogdan-Andrei Iancu bogdan at opensips.org
Wed Apr 22 16:12:11 UTC 2026


Quick errata, here is the correct link to the shortest possible 
description <https://www.opensips.org/About/Version-Overview-4-0-0> of 
this release 🙂

Bogdan-Andrei Iancu

OpenSIPS Founder and Developer
   https://www.opensips-solutions.com
   https://www.siphub.com


On 4/22/26 19:03, Bogdan-Andrei Iancu wrote:
> Hello there !!
>
> It is that time of the year to do our iteration - one more year, one 
> more evolution step, one more OpenSIPS major release.
>
> The *4.0 version is a turning point in the OpenSIPS evolution*. This 
> is a standard release, opening the path for a new family of releases 
> with bold aims to radically change and improve legacy concepts and 
> code in OpenSIPS. Yes, 4.0 addresses old limitations, deprecated 
> designs or burning needs we accumulated across years.
>
> OpenSIPS 4.0 is about _TCP Framework_ rework, about _TLS refreshing_, 
> about _Script and Process Profiling_. A special set of improvements 
> are versatility oriented, like the _Big Scale Forking_, the _Bond 
> Interfaces_ and _Clusters with Bridge Replication_. The integration 
> chapter is as always present with _Proxy Protocol_ support, _IMS 
> interoperability_ and _Auth_web3_ support
>
> But here is the shortest possible description 
> <https://www.opensips.org/About/Version-Overview-3-6-0> of this 
> release; and be aware that it's actually not so short as nothing is 
> short about 4.0 and what it can do !
>
> Please keep in mind that 4.0.0 is still a beta release, targeting mid 
> July to become fully stable. So, we still have some testing ahead of 
> us :).
>
> Many thanks to our awesome community for contributing with ideas, 
> code, patches, tests and reports!
>
> Looking for downloading it? See the tarball 
> <http://opensips.org/pub/opensips/4.0.x> or the GIT repo 
> <https://github.com/OpenSIPS/opensips/tree/4.0>. (it may take a full 
> day to get these in place)
>
> Enjoy it,
> -- 
> Bogdan-Andrei Iancu
>
> OpenSIPS Founder and Developer
>    https://www.opensips-solutions.com
>    https://www.siphub.com
>
> _______________________________________________
> Users mailing list
> Users at lists.opensips.org
> http://lists.opensips.org/cgi-bin/mailman/listinfo/users
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