Lua 5.3 Reference Manual#Incompatibilities with the Previous Version

• bit operator

• Lua(JIT)のbit演算

• string.pack

• integer

• Luaの数値型

• Lua 5.3 Bytecode Reference — Ravi Programming Language 0.1 documentation

utf8

• @2015 標準ライブラリの utf8 を使う #Lua - Qiita

ravi

• GitHub - dibyendumajumdar/ravi: Ravi is a dialect of Lua, featuring limited optional static typing, JIT and AOT compilers