Umka 1.5.5

• Optimized maps
• Multi-line string literals
• Static type checking in printf/scanf format strings
• std::File closed automatically upon going out of scope
• cap for strings
• typeptr deprecated
• New C API functions for accessing Umka data types: umkaGetParamType, umkaGetResultType, umkaGetBaseType, umkaGetFieldType, umkaGetMapKeyType, umkaGetMapItemType
• umkaRun may be called multiple times or not called at all
• Bug fixes

Umka 1.5.4

• Intuitive value-based comparison semantics for structured types
• Dynamic arrays allowed as map keys
• Safer and more flexible weak pointers
• Full UTF-8 support on Windows
• Shadowed declarations diagnostics
• New C API functions to store arbitrary user metadata
• Virtual machine optimizations
• Numerous bug fixes

Umka 1.5.3

• Trailing commas allowed in composite literals
• selfptr built-in function
• Bug fixes

Umka 1.5.2

• Digit group separator _ in numeric literals
• Better error detection
• Bug fixes

Umka 1.5.1

• Builtin abs for integers
• Better overflow diagnostics
• Bytecode optimizations
• Bug fixes

Umka 1.5

• New builtin functions for fibers: make, valid, resume
• Builtin sort
• New pseudo-random number generator
• Heavily optimized maps
• New C API for accessing Umka functions: umkaGetParam, umkaGetUpvalue, umkaGetResult, umkaGetInstance, umkaMakeFuncContext
• Optimized bytecode generator
• Better error diagnostics
• Improved syntax highlighting for Sublime Text
• Bug fixes

Umka 1.4.1

• Dynamic array literals are allowed in constant expressions
• Umka->C->Umka call chains are allowed
• Improved syntax highlighting for Sublime Text
• Bug fixes

Umka 1.4

• New a::b syntax for imported identifiers to distinguish them from field/method access
• Separate namespace for module names
• Enumeration type
• Improved type inference for composite literals and enumeration constants
• Recursive types containing dynamic arrays or maps
• Friendly weak pointers
• %lv and %llv format specifiers for pretty-printing with printf()
• main() is optional
• New std::assert() and improved std::exitif()
• Improved disassembly output
• Bytecode optimizations
• Bug fixes

Umka 1.3.1

• for..in now allows accessing collection items by pointer
• Error handling:
  • error() is removed
  • exit() now accepts an error code returned to the OS and an optional error message
  • umkaRun() and umkaCall() now return an error code (0 on success)
  • umkaAlive() is added to check if the interpreter can still execute umkaRun() or umkaCall()
  • std.Err, std.error(), std.exitif() are added for graceful error handling
• Unicode support:
  • printf() on Windows fixed
  • Locale parameter in umkaInit() is deprecated
• Bytecode optimizations
• Cyclic import detection
• Bug fixes

Umka 1.3

• Closures compatible with conventional functions
• Variable redeclarations allowed in multiple assignments
• std.stdin(), std.stdout(), std.stderr(), std.fflush()
• Dynamic access to API via umkaGetAPI() without linking against Umka
• API change: umkaGetType() replaced with typeptr()
• Bug fixes