Release Notes: The main features are a new module system, incremental garbage collection, a new mechanism for varargs, new syntax for long strings and comments, mod and length operators, metatables for all types, a new configuration scheme via luaconf.h, and a fully reentrant parser.
Release Notes: This version fixes all known bugs.
Release Notes: This release adds better handling of string collisions based on a random seed. This work version is meant to let the community assess the usefulness and the effectiveness of this experimental feature.
Release Notes: This is a bugfix release. All known bugs from 5.1.4 have been fixed.
Release Notes: This is the first major version since 2006. It adds yieldable pcall and metamethods, a new lexical scheme for globals, ephemeron tables, a new library for bitwise operations, light C functions, an emergency garbage collector, a goto statement, and finalizers for tables.
Release Notes: Documentation and portability fixes.