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Subject: Re: Compatibility Issues with Npgsql and .NET Framework 3.5 after
 Upgrading to PostgreSQL 16.3
From: Daniel Gustafsson <daniel@yesql.se>
In-Reply-To: <BJSPR01MB04984B9BD55616A50CBA9CE8E24F2@BJSPR01MB0498.CHNPR01.prod.partner.outlook.cn>
Date: Fri, 25 Oct 2024 13:58:07 +0200
Cc: "pgsql-general@lists.postgresql.org" <pgsql-general@lists.postgresql.org>
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Message-Id: <B44C7DAE-20B1-4D82-911B-707D898F3D0E@yesql.se>
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To: =?utf-8?B?6aas44CA6aiw6aOb?= <ma-tengfei@nec.cn>
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> On 25 Oct 2024, at 05:45, =E9=A6=AC=E3=80=80=E9=A8=B0=E9=A3=9B =
<ma-tengfei@nec.cn> wrote:
>=20
> Dear PostgreSQL Community,
>=20
> After upgrading PostgreSQL to version 16.3, our server encountered the =
error=20
> "Only AuthenticationClearTextPassword and AuthenticationMD5Password =
supported for now. Received: 10" when connecting to the database.
>=20
> We are currently using .NET Framework version 3.5. If we upgrade =
Npgsql to version 8.0.5, will there be compatibility issues?=20
> If there are compatibility issues, could you tell me the minimum =
version of Npgsql that we should use to upgrade PostgreSQL to 16.3 =
without upgrading the .NET Framework?

Try PostgreSQL 16.4 instead, there was a known regression for very old =
Npgsql
versions in 16.3.

--
Daniel Gustafsson