v0.14

• New implementation of sets and dictionaries (faster and partially order-preserving)
• else block for loops
• Null-conditional slicing: x?[a:b:c]
• Removed is null and is not null operators in favour of standard comparison with null
• Removed in operator in favour of new has method for containers
• Minor changes regarding methods of the built-in types
• Some changes in the support of escape sequences for special characters
• A few bugfixes regarding type checking and other improvements

v0.13

• New implementation of generators (now independent of C++ compiler)
• GCC as the default compiler
• New syntax for generator definitions: func f(): Int... def
• Support for generators with Void
• Support for generator variables
• next() method for generators
• Range and spread syntax for yield
• Several bugfixes

v0.12

• New parser (much faster than ANTLR, no Python dependencies now)
• New syntax for class inheritance: class B: A def
• New syntax for container comprehensions: [for x in 1..5 yield x %% 2]
• Support for comprehensions without iteration: [if x yield y]
• Improved error handling
• A few bugfixes

v0.11

• Labelled break and continue
• Type annotations in functions made optional (implicit generic functions)
• New syntax for type annotations and default values
• Explicit array type for variadic arguments
• Rremoved multiline lambdas
• Removed default operator

v0.10

• Dynamic containers
• Generalized range syntax
• Spread operator
• Arbitrary-precision rational numbers
• Variadic functions
• Generators
• Class destructors
• New approach for class constructors
• Method binding
• Closures
• First-class lambdas
• Default values for variables
• Mutable tuples
• Some changes in the syntax and standard library
• Many bugfixes and other improvements

v0.9

Target language changed from LLVM to C++17; automatic memory management, several bugfixes.

v0.8

New features regarding arguments of generic functions, nested tuple unpacking, boolean ranges, array range literals, implicit coercion from Int to Float, support for different radices and underscores in numeric literals, refactoring of division and exponentiation operators, new operator for testing divisibility, several bugfixes, some changes in the syntax; fixed compatibility with Linux, lowered Python requirement to version 3.6, added support for PyInstaller, improved speed of compilation.

v0.7

Compiler rewritten from Haskell to Python; new approach for generic functions, some functions transformed into methods of corresponding types, new syntax for functional types, new approach for comparing nullables, several bugfixes.

v0.6

Classes with single inheritance, nullable types, support for empty arrays, explicit type declaration for variables, mandatory return from functions, evaluation of default arguments with every call.

v0.5

Generic functions, array comprehension, comparison, concatenation and slicing, ranges for floating-point numbers, module system, new library functions, minor changes in the syntax and bugfixes.