Release candidate version 3

Added stop button.
Added start button.
Changed to display the project name.
Changed to load firmware only if the firmware file exists.
Changed to be able to stop while waiting for connection.
Removed initialization code for variables.
Removed variable watcher.
Fixed a bug that an error occurs when a variable block is clicked.
Fixed a bug that the block in the block palette is not restored when the stop button is pressed
Fixed a python script bug of HuskyLens.

Release candidate version.

• Removed stage frame.
• Changed to display a message after sending.
• Refactored some classes.

Tenth beta release

add toggle button for connecting.
fix error when sending a file.
refactoring for uploading firmware.
remove sprite namebox in ScratchScriptEditorMorph.
add gif image files.

Ninth beta release

Added reset block and ascii block.
Added official logo.
Fixed some bugs.

Eighth beta release

• connect to micro:bit automatically when sending scripts.

Seventh beta release

• add support for BBC micro:bit v2.
• fix some bugs.

Sixth beta release

• change UI uploading firmware.
• add restiction for identifier names.
• disable showing close dialog messages.
• add support for external modules.
• shrink python codes.
• reconnect after rebooting.
• fix error when no serial ports found.

fifth beta release

add bit operation blocks.

fourth beta release

add UART blocks.

third beta release.

• fix some bugs relating subroutine.
• use raw mode when sending file.
• add some sound blocks.