.. bpo: 43710 .. date: 2021-04-03-21-12-15 .. nonce: _Mj01v .. release date: 2021-04-04 .. section: Core and Builtins Reverted the fix for https://bugs.python.org/issue42500 as it changed the PyThreadState struct size and broke the 3.9.x ABI in the 3.9.3 release (visible on 32-bit platforms using binaries compiled using an earlier version of Python 3.9.x headers). .. .. bpo: 26053 .. date: 2020-09-01-10-12-13 .. nonce: hXikw_ .. section: Library Fixed bug where the :mod:`pdb` interactive run command echoed the args from the shell command line, even if those have been overridden at the pdb prompt.