[odb-users] ODB 2.5.0-b.19 available

[Boris Kolpackov]

ODB 2.5.0-b.19 pre-release is available from cppget.org. One notable
change compared to the previous pre-release is compatibility with GCC 10:

https://cppget.org/odb/2.5.0-b.19+1

The build instructions are here:

https://codesynthesis.com/products/odb/doc/install-build2.xhtml

Note that you will need to upgrade to build2 0.13.0 to be able to build
this version of ODB.