This is the last release compatible with python version from 3.3 to 3.7. Compatibility with these versions will be dropped due to the adoption of the new configuration API introduced in Python 3.8.

The minimum Delphi version supported in the future is Delphi XE2.

This is the last release with support for python 2.
Python 2 is deprecated and no longer supported. If you do want to use python 2 with P4D please use this release.

PythonAtom was deprecated for many years and this is the last release before it is removed. VarPyth should be used instead.

Python 2.4 is way too old and 3.0, 3.1 were hardly ever used and soon replaced by 3.2 and later. Support for these versions is being dropped. Thiis the last release before dropping such support, in case anyone wants compatibility with these versions.

This is the last release with support for pre-unicode Delphi and FPC.