Re: removing support for interop with unison before 2.52.0

I use the latest version in all computers and 2.53.5 on the server.

All good from my side at least.

Thanks.
Lluc

On 1/3/26 13:57, Greg Troxel wrote:
> It's time for (meteorological) spring cleaning.
>=20
> There has been very recently ocaml security advisories about the builtin
> marshaling code -- used by the old protocol.  That's not a unison bug,
> and everyone using ocaml should be updating to a fixed version.
>    https://urldefense.com/v3/__https://seclists.org/oss-sec/2026/q1/231__=
;!!IBzWLUs!Ud_l9CHqCYEHsM8pDw0i7Xda2cBVGzrNN8lXiubRH91tVVX2lIvPfqnyWxP8nF6K=
rcRsSrqoC61IyU3V8A$
>=20
> 2.52.0 was released on March 11, 2022, which will shortly be 4 years
> ago:
>    https://urldefense.com/v3/__https://github.com/bcpierce00/unison/relea=
ses/tag/v2.52.0__;!!IBzWLUs!Ud_l9CHqCYEHsM8pDw0i7Xda2cBVGzrNN8lXiubRH91tVVX=
2lIvPfqnyWxP8nF6KrcRsSrqoC621r13H8g$
>=20
> That brought a new wire protocol, and compat to use the old protocol
> when interoperating with pre-2.52.0 unison (which needs compatible ocaml
> versions).
>=20
> Now, everyone should have updated, so I believe there is no usefulness
> to having the compat code operational.  Thus, I am thinking of a new
> unison release with it disabled.
>=20
> Is anyone using the compat code?   If so, are there reasons other than
> "I could update but I haven't" or "my distribution/packaging-system has
> super old unison and I could update or switch distributions but I
> haven't"?
>=20
>=20
>=20
>=20
>=20
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>=20

Lluc Pallej=C3=A0

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