Re* [ANNOUNCE] Git v2.27.0-rc1

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Jeff King <peff@xxxxxxxx> writes:

> On Wed, May 20, 2020 at 12:17:11PM -0700, Junio C Hamano wrote:
>
>> Git 2.27 Release Notes (draft)
>> ==============================
>> 
>> Updates since v2.26
>> -------------------
>> 
>> Backward compatibility notes
>
> Is it worth mentioning here the reversion of v2 as the default protocol?
>
> It does end up (along with the actual code fix) in the "fixes from
> v2.26" section:
>
>>  * Those fetching over protocol v2 from linux-next and other kernel
>>    repositories are reporting that v2 often fetches way too much than
>>    needed.
>>    (merge 11c7f2a30b jn/demote-proto2-from-default later to maint).
>> 
>>  * The upload-pack protocol v2 gave up too early before finding a
>>    common ancestor, resulting in a wasteful fetch from a fork of a
>>    project.  This has been corrected to match the behaviour of v0
>>    protocol.
>>    (merge 2f0a093dd6 jt/v2-fetch-nego-fix later to maint).
>
> but that's somewhat buried. I dunno. It is not likely to introduce _new_
> compatibility issues, but perhaps folks looking into compatibility stuff
> may want to know about the revert.

The promotion in Git 2.26 was buried in the "performance &
implementation details" section and not in the backward
compatibility section, so it feels a bit funny to highlight the
reversion.  In any case, here is what I prepared (but not committed
yet)

-- >8 --
Subject: [PATCH] RelNotes: advertise the demotion of protocol v2

In the upcoming release, the transport protocol v2 is no longer the
default; note it in the backward compatibility section.

Suggested-by: Jeff King <peff@xxxxxxxx>
Signed-off-by: Junio C Hamano <gitster@xxxxxxxxx>
---
 Documentation/RelNotes/2.27.0.txt | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Documentation/RelNotes/2.27.0.txt b/Documentation/RelNotes/2.27.0.txt
index 5fb8c0cf67..95a8d338ad 100644
--- a/Documentation/RelNotes/2.27.0.txt
+++ b/Documentation/RelNotes/2.27.0.txt
@@ -24,6 +24,10 @@ Backward compatibility notes
    users may find annoying---those who prefer not to rebase need to
    set the variable to false to squelch the warning.
 
+ * The transport protocol version 2, which was promoted to the default
+   in Git 2.26 release, turned out to have some remaining rough edges,
+   so it has been demoted from the default.
+
 
 UI, Workflows & Features
 



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