Version 4.1.0b1

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Installation instructions

Windows

Default Windows installer (thonny-4.1.0b1.exe) is now 64-bit and comes with Python 3.10 -- this means it is suitable only for 64-bit Windows 8.1, 10 and 11. For Windows 7, 8 and for 32-bit Windows 10 use thonny-py38-4.1.0b1.exe which comes with 32-bit Python 3.8.

macOS

thonny-4.1.0b1.pkg contains universal2 build of Python 3.10 -- this means it is suitable both for Arm (M1, M2) and Intel Macs.

Linux

thonny-4.1.0b1.bash is a script, which downloads and installs thonny-4.1.0b1-x86_64.tar.gz (with Python 3.10) when run on x86_64 machines. On other platforms it tries to use system python3 (creates a virtual environment for Thonny and installs thonny and its dependencies there).

Changes since 4.0.2

4.1.0b1 is a feature and bug-fix pre-release.

New

• Enhance esptool GUI (propose known MicroPython and CircuitPython downloads; allow setting baud rate and start address; allow querying device info), #2707, #1600, #2536, #1171, #2657
• Ensure Thonny's backends don't get confused by other installations, #2616
• Detect and warn if user module is shadowing a library module, #384
• Make serial port description in interpreter selection menu more descriptive
• Added pt_BR translation for all help pages, #2673, by @mgmalheiros
• Add Pololu MicroPython downloads to UF2 flasher
• Use UDisks to find mounted filesystems on Linux, #2683 by jwillikers

Fixes

• Fix a potential autocompletion error, #2162
• Experiment with better MicroPython raw paste fallback, #2624
• Fix sys.sdtout.write return value, #2629
• Remove unnecessary shebangs, #2645
• Add option for saving unnamed editors before Run/Debug, #2619
• Fix blank editors in macOS, again, #2425
• Fix todo view, #2681, by @kr-g
• Minor corrections for English help pages, #2674, by @mgmalheiros
• Upgrade bundled esptool from 4.4 to 4.5
• Allow Linux installer to use existing Python 3.11 and 3.12, #2676
• Require saving before using fast debugger, #2699, by @michaellass
• Add missing translation sites in editors.py, #2705 by @nicolasdespres
• Restore MicroPython completions in the shell, #2467, #2419
• Don't use deprecated FLASK_ENV environment variable.
• Add better shortcut for increasing font size in macOS, #2725
• Avoid falling back to Python menu in simple mode on macOS, #2729
• Various improvements to "Kind of Aqua" UI theme, #2760
• Fix double paste with Command-V when CapsLock on, #2753
• Fix Cut with Command-X when CapsLock on, #2753

Bundled dependency changes

• Upgrade bundled Python from 3.10.9 to 3.10.11
• Upgrade bundled Tk from 8.6.12 to 8.6.13
• Upgrade bundled Pylint from 2.15 to 2.17
• Upgrade bundled MyPy from 0.991 to 1.2