Date: Wed, 4 Jun 2025 23:56:33 +0200 From: Jan Bramkamp <crest@rlwinm.de> To: freebsd-current@freebsd.org Subject: Re: HEADS UP: wireless KPI and KBI and FreeBSD 15 Message-ID: <b22a18d4-2b39-46ad-9888-53c189e41182@rlwinm.de> In-Reply-To: <114q5890-nrs9-55r5-44n9-86506985490s@SerrOFQ.bet>
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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?help
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