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* Avoid repetitive attempts to restart backend after connection gets lost during a Run (2836)
* Automatically hide tooltips if window loses focus, 2607
* Import optional deps with augmented sys.path, fixes problems with importing plug-ins (2816)
* Don't leak main site-packages to virtual environment's sys.path, 2867
* Fix Assistant error with relative imports, 2873
* Don't attempt to save unchanged editor at run, 2804
* Fix MicroPython upload errors by more conservative back-end isolation, 2016, 2851, 2864
* Fix MicroPython code completions by fixing packaging of base MicroPython stubs, 2895
* Fix various completion failures by reverting a jedi hack (67f2c120)
* Avoid duplicate MicroPython completions when a module is already imported (852308fd)
* Update Persian, Italian, Japanese, Brazilian Portuguese and Chinese translations (see POEditor for contributions)