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* NEW: "Run => Pygame Zero mode" allows running Pygame Zero programs with F5
* NEW: Support for Birdseye debugger (Run => Debug current script (Birdseye)) by Alex Hall
* NEW: Notes view for writing down code snippets, task descriptions, etc.
* NEW: Allow running current script in system terminal
* NEW: "File => Print..." allows printing current script (via default web browser)
* NEW: Shell's context menu now has editing commands
* ENHANCEMENT: Open the Shell window on Run if it is not open
* ENHANCEMENT: More robust support for running system commands in Thonny Shell (with ! prefix)
* ENHANCEMENT: Allow switching off Pylint and/or MyPy checks
* ENHANCEMENT: Make it clear how to exit Heap mode (with notification box in the upper-right corner of the main window)
* FIXED 621: Holding Enter in the Shell causes a crash
* FIXED 623: Parameters code completion error
* FIXED 627: Debugging stops after raise statement
* FIXED 628: Wrong line highlighted when stepping in for-loop
* FIXED 629: Interrupting system command (!) shows ugly traceback
* FIXED 633: pasting can't affect read-only text anymore
* FIXED 641: Better font scaling in Linux (see Tools => Options => General for more control)
* FIXED 646: Simple open file to edit from command line failing
* FIXED 655: Invalid f-string crashes Assistant
* FIXED 666: Make stdin iterable
* FIXED: Solved several problems related to stepping through raising an exception
* FIXED: Issues with automatic indentation (Thanks to Alex Hall!)
* CHANGED: Use Konsole as terminal in KDE
* CHANGED: "Tools => Open system shell" now shows relevant commands differently
* CHANGED: Make Assistant's MyPy checks disabled by default
* CHANGED: Source code now lives at GitHub (https://github.com/thonny/thonny)