20191025

• Upgrade CPython to 3.7.5
• Upgrade pip and setuptools to latest versions
• Upgrade SQLite to 3.30.1
• Upgrade OpenSSL to 1.1.1d
• Upgrade libressl to 3.0.2
• Fixed read-only files in archive
• Enable building on Catalina. This required unshipping our own Tcl/Tk libraries as well as the Tix library. The tkinter extension module now depends on the system Tcl/Tk frameworks, which should always be available (but are deprecated).

20190816

• PYTHON.json version bumped from 2 to 3 in order to define location of tcl files.
• Tcl/tk support on Linux and macOS builds. (Windows support is coming.)
• Zstandard compression on tarballs increased to result in archives ~50% of original size.
• Various files in tarballs are now symlinks instead of copies of the same file.
• SQLite version updated from 3.28 to 3.29.
• bzip2 version updated from 1.0.6 to 1.0.8 (includes a security fix).
• macOS now built with Clang/LLVM 8 instead of Clang/LLVM 6.
• Build systems for Linux and macOS unified.

20190713

• Python 3.7.4
• x86 Windows builds
• Working libedit extension variant on Linux
• Linux musl distribution now uses LibreSSL instead of OpenSSL

20190617

These define a version 2 of the PYTHON.json schema, which includes license annotations and contains license texts in the Python archive.

Also, distributions have setuptools and pip readily available. There are also miscellaneous changes to support running in fully statically linked applications.

20190505

First release with version=1 in the PYTHON.json metadata file.

20190427

Uploading modern distributions so others don't have to create them offline.

20181218

Initial release.