* Major New Feature: List and String blocks (built on a new garbage-collected dynamic memory system!)
* Speech bubbles for Boolean reporters now show switches instead of "true"/"false"
* Show at most one data graph window
* Add an iconic button to show the data graph
* Ask for confirmation before overwriting an existing project file
* Fill in the file name field when selecting a file in the file picker
* Add keyboard shortcuts to save and open projects
* Display only one file picker at a time
* Remember the last opened/saved project folder
* Remember the user's language preference
* Updated the locale.txt file and Catalan translation with new list blocks
* Chromebook: Launch MicroBlocks when double-clicking on a MicroBlocks project
* Reorganized Examples folder
* Make Jumpy Ball game work on any TFT size
* New Dice example project (thanks, José!)
* New PIR sensor library
* New acceleration sensor block in Basic Sensor library (reports magnitude of the acceleration vector)
* Use color pickers in TFT library (thanks for the suggestion, Luke!)
* Fix: Exporting graphs containing boolean data to CSV failed
* Fix: Importing and exporting graph data as CSV files on Chromebooks
* Fix: userLED command had stopped working on IoT-Bus boards
* Fix: starvation issue when the ED1 display is updated in a tight loop