> The history is here:
> https://bugzilla.redhat.com/show_bug.cgi?id=1055293
> So, here is the scenario:
> * There is a PostGIS 2.3 and Postgres 9.6 user, who want to upgrade to
> Postgres 10, and PostGIS 2.4.
> * To perform pg_upgrade, they need 2.3 so file as well in 2.4 installation
>
One other option if they really don't want to upgrade their 9.6 to 2.4.0alpha
or you really don't want to provide 2.4.0alpha on 9.6.
I don't think we removed any functions in the .so/.dll files only added new
ones. So
1) You provide a PostGIS 2.4.0alpha for PostgreSQL 10
2) They make a copy
