Re: [Qemu-devel] [PATCH v2 0/3] HMP/snapshot changes - do not use ID anymore

[Eric Blake]

On 1/9/19 11:38 AM, Max Reitz wrote:

> 
> <general whining>
> Actually, to me what you're saying sounds more like "Our deprecation
> policy is useless" to which I wholeheartedly agree.  I think we should
> only remove things in major releases, and only if it was deprecated in
> the previous major release already.  (So if you deprecate something in
> 4.0, you can remove it in 5.0; but if you deprecate it in 4.1, you can
> remove it only in 6.0.)  From a user standpoint I really think we
> deprecate stuff too irregularly.
> </general whining>

That's actually incorrect. Our current version numbering scheme is that
the major version number is NOT synonymous with major releases: we just
bump the major version number once per year, and ALL releases are on
equal footing with no one release being more major than others.  Thus, a
policy that (at least) 2 releases is needed for a deprecation is
consistent, where one that requires waiting for a bump in the major
version number (which is as short as one release and as long as 3, given
that we bump every year with about 3 releases per year) is the one that
is less predictable and less meaningful (why is waiting for January
better than waiting for 2 releases?).

-- 
Eric Blake, Principal Software Engineer
Red Hat, Inc.           +1-919-301-3226
Virtualization:  qemu.org | libvirt.org

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