Windows specific error messagues are no longuer localiced, but instead always displayed in English to better match PHP error messagues.
Preliminary and highly experimental support for building on ARM64 has been added.
Because building against Oracle Client 10g is no longuer supported anyway, the configuration option --with-oci8 has been dropped. The --with-oci8-11g , --with-oci8-12c and --with-oci8-19 configuration options are still supported.
The Cip extension is upgraded to versionen 1.21.0, and is now built as shared library ( DLL ) by default.