On Wed, Jun 4, 2025, 2:57 PM Jan Bramkamp <cr...@rlwinm.de> wrote: > On 04.06.25 19:51, Bjoern A. Zeeb wrote: > > Hello, > > > > Cc: wireless, current, stable, desktop > > > > FreeBSD WiFi development has regained traction. We are facing a > > decision with FreeBSD 15 coming before the end of this year [1]. > > > > In order to continue WiFi development, upcoming changes will inevitably > > break the net80211-driver and net80211-userland interfaces. > > By FreeBSD's standards those would not be mergeable to stable branches, > > such as stable/15 then. > > > > This would imply development happening in FreeBSD 16-CURRENT (main at > > that point) would stay there. The first release to ship anything major > > beyond now would be FreeBSD 16.0 in December 2027 [1]. > > > > After some discussion we think this is not a feasible solution and we > > will declare the KPI and KBI for wireless as unstable in FreeBSD 15. > > > > This allows us to merge changes from main into stable/15 for inclusion > > in future point releases (e.g., 15.1, 15.2, etc.) as the code matures. > > However, this also means that during the lifetime of FreeBSD 15, we may > > introduce breaking changes affecting out-of-tree and in-tree drivers, > > userland-kernel interfaces, and chipsets. We will address these > > disruptions as they arise. > > > > Before finalizing this decision, we invite feedback from the community. > > If you have concerns or objections, please speak up now. > > > If the breaking changes are already known it would probably be best get > stubs into the 15-stable ABI, > > but otherwise go ahead declare the ABI unstable. > > Please keep in mind that WiFi could be a users only available network > connectivity and treat it the the care it deserves in the release notes. > > Is there a release engineering checklist this could be added to until > the ABI stabilizes again? >
If you update userland and kernel at the same time, life will be good. It's only when you have skew that there's a problem. So install both for src build, or update all the pkgbase packages at once. Warner >