Re: Compatibility Issues with Npgsql and .NET Framework 3.5 after Upgrading to PostgreSQL 16.3

> On 25 Oct 2024, at 05:45, 馬　騰飛 <ma-tengfei@nec.cn> wrote:
>
> Dear PostgreSQL Community,
>
> After upgrading PostgreSQL to version 16.3, our server encountered the error
> "Only AuthenticationClearTextPassword and AuthenticationMD5Password supported for now. Received: 10" when connecting
tothe database. 
>
> We are currently using .NET Framework version 3.5. If we upgrade Npgsql to version 8.0.5, will there be compatibility
issues? 
> If there are compatibility issues, could you tell me the minimum version of Npgsql that we should use to upgrade
PostgreSQLto 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