Milestone 9

• Some last-minute added features

Milestone 8

• Rearrange suggestions
• Compress builds
• Evaluate in a worker

Milestone 7

• Load files, split into lines and words
• Save output as files
• Save and load programs

Milestone 6

• Mutable arrays
• Loops

Milestone 5

• Let expressions
• Variables
• Functions

Milestone 4

• Arrays
• Pairs
• Type constructors

Milestone 3

• String type
• String operators
• Type checking with two types

Milestone 2

• User interface

Milestone 1

• Evaluation
• Serialization