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Date:      Fri, 5 Dec 2025 18:38:25 +0000
From:      Colin Percival <cperciva@tarsnap.com>
To:        =?UTF-8?Q?Gerrit_K=C3=BChn?= <gerrit.kuehn@aei.mpg.de>,  freebsd-stable@freebsd.org
Subject:   Re: question about updating to 15.0
Message-ID:  <0100019aefcee8b7-145c9e61-fc8c-461f-9cc1-4da7d205c9b8-000000@email.amazonses.com>
In-Reply-To: <20251205153010.0abb937a@arc.aei.uni-hannover.de>
References:  <20251205153010.0abb937a@arc.aei.uni-hannover.de>

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On 12/5/25 06:30, Gerrit Kühn wrote:
> I just read the friendly reminder
> on https://www.freebsd.org/releases/15.0R/installation/ that FreeBSD-EN-25:18.freebsd-update errata update should be followed.
> 
> That errata is, among other versions like stable/14, stable/13, avilable
> for 13.5 releng and 14.2 releng:
> https://www.freebsd.org/security/advisories/FreeBSD-EN-25:18.freebsd-update.asc
> It says in its "Impact" section "When using freebsd-update(8) to upgrade a
> system from FreeBSD 13.x or 14.x to FreeBSD 15.0..."
> 
> However, when looking at the installation instructions for 15.0 above,
> these state "Systems running 14.3-RELEASE can upgrade as follows:"
> 
> This makes me wonder if 14.3 is the only version where upgrading to 15.0
> via freebsd-upgrade is supported, or if, e.g., 14.2 or 13.5 would be valid
> (and supported) starting points for the direct upgrade process to 15.0,
> too.

Upgrading from any non-EoL release *should* work.  But personally I would
upgrade to 14.3 first, simply because 14.3->15.0 has been tested far more.

-- 
Colin Percival
FreeBSD Release Engineering Lead & EC2 platform maintainer
Founder, Tarsnap | www.tarsnap.com | Online backups for the truly paranoid




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