Lua Compatibility Matrix

🟩: This function or field is supported unconditionally in this version.
🟨: This function or field is behind a LUA_COMPAT_* define and may or may not be available.
🟥: This function or field will not be present in this version under any condition.

Feature	Lua 5.1	Lua 5.2	Lua 5.3	Lua 5.4	Lua 5.5
Base Library	🟩	🟩	🟩	🟩	🟩
`assert(v, [msg])`	🟩	🟩	🟩	🟩	🟩
`collectgarbage([opt, [arg]])`	🟩	🟩	🟩	🟩	🟩
`dofile([file])`	🟩	🟩	🟩	🟩	🟩
`error(message, [level])`	🟩	🟩	🟩	🟩	🟩
`getfenv([f])`	🟩	🟥	🟥	🟥	🟥
`getmetatable(object)`	🟩	🟩	🟩	🟩	🟩
`ipairs(t)`	🟩	🟩	🟩	🟩	🟩
`load(chunk, [source, [mode, [env]]]))`	🟥	🟩	🟩	🟩	🟩
`load(func, [name])`	🟩	🟩	🟩	🟩	🟩
`loadfile([file, [mode, [env]]])`	🟥	🟩	🟩	🟩	🟩
`loadfile([file])`	🟩	🟩	🟩	🟩	🟩
`loadstring(string, [name])`	🟩	🟨¹	🟨¹	🟥	🟥
`next(table, [index])`	🟩	🟩	🟩	🟩	🟩
`pairs(t)`	🟩	🟩	🟩	🟩	🟩
`pcall(f, [...])`	🟩	🟩	🟩	🟩	🟩
`print(...)`	🟩	🟩	🟩	🟩	🟩
`rawequal(v1, v2)`	🟩	🟩	🟩	🟩	🟩
`rawget(tbl, k)`	🟩	🟩	🟩	🟩	🟩
`rawlen(v)`	🟥	🟩	🟩	🟩	🟩
`rawset(tbl, k, v)`	🟩	🟩	🟩	🟩	🟩
`select(index, ...)`	🟩	🟩	🟩	🟩	🟩
`setfenv(f, table)`	🟩	🟥	🟥	🟥	🟥
`setmetatable(table, metatable)`	🟩	🟩	🟩	🟩	🟩
`tonumber(e, [base])`	🟩	🟩	🟩	🟩	🟩
`tostring(e)`	🟩	🟩	🟩	🟩	🟩
`type(v)`	🟩	🟩	🟩	🟩	🟩
`unpack(list, [i, [j]])`	🟩	🟨²	🟨²	🟥	🟥
`warn(msg1, ...)`	🟥	🟥	🟥	🟩	🟩
`xpcall(f, errf, [...])`	🟥	🟩	🟩	🟩	🟩
`xpcall(f, errf)`	🟩	🟩	🟩	🟩	🟩
Coroutine Library	🟩	🟩	🟩	🟩	🟩
`coroutine.close(co)`	🟥	🟥	🟥	🟩	🟩
`coroutine.create(f)`	🟩	🟩	🟩	🟩	🟩
`coroutine.isyieldable()`	🟥	🟥	🟩	🟩	🟩
`coroutine.resume(co, [...])`	🟩	🟩	🟩	🟩	🟩
`coroutine.running()`	🟩	🟩	🟩	🟩	🟩
`coroutine.status(co)`	🟩	🟩	🟩	🟩	🟩
`coroutine.wrap(f)`	🟩	🟩	🟩	🟩	🟩
`coroutine.yield(...)`	🟩	🟩	🟩	🟩	🟩
Package Library	🟩	🟩	🟩	🟩	🟩
`module(name, [...])`	🟩	🟨³	🟨³	🟥	🟥
`require(modname)`	🟩	🟩	🟩	🟩	🟩
`package.config`	🟩	🟩	🟩	🟩	🟩
`package.cpath`	🟩	🟩	🟩	🟩	🟩
`package.loaded`	🟩	🟩	🟩	🟩	🟩
`package.loaders`	🟩	🟨⁴	🟨⁴	🟥	🟥
`package.loadlib(libname, funcname)`	🟩	🟩	🟩	🟩	🟩
`package.path`	🟩	🟩	🟩	🟩	🟩
`package.preload`	🟩	🟩	🟩	🟩	🟩
`package.searchers`	🟥	🟩	🟩	🟩	🟩
`package.searchpath(name, path, [sep, [rep]])`	🟥	🟩	🟩	🟩	🟩
`package.seeall(module)`	🟩	🟨³	🟨³	🟥	🟥
String Library	🟩	🟩	🟩	🟩	🟩
`string.byte(s, [i, [j]])`	🟩	🟩	🟩	🟩	🟩
`string.char(...)`	🟩	🟩	🟩	🟩	🟩
`string.dump(f)`	🟩	🟩	🟩	🟩	🟩
`string.dump(f, [strip])`	🟥	🟥	🟩	🟩	🟩
`string.find(s, pattern, [init, [plain]])`	🟩	🟩	🟩	🟩	🟩
`string.format(fmt, ...)`	🟩	🟩	🟩	🟩	🟩
`string.gmatch(s, pattern)`	🟩	🟩	🟩	🟩	🟩
`string.gsub(s, pattern, repl, [n])`	🟩	🟩	🟩	🟩	🟩
`string.len(s)`	🟩	🟩	🟩	🟩	🟩
`string.lower(s)`	🟩	🟩	🟩	🟩	🟩
`string.match(s, pattern, [init])`	🟩	🟩	🟩	🟩	🟩
`string.pack(fmt, ...)`	🟥	🟥	🟩	🟩	🟩
`string.packsize(fmt)`	🟥	🟥	🟩	🟩	🟩
`string.rep(s, n, [sep])`	🟩	🟩	🟩	🟩	🟩
`string.reverse(s)`	🟩	🟩	🟩	🟩	🟩
`string.sub(s, i, [j])`	🟩	🟩	🟩	🟩	🟩
`string.unpack(fmt, s, [pos])`	🟥	🟥	🟩	🟩	🟩
`string.upper(s)`	🟩	🟩	🟩	🟩	🟩
Table Library	🟩	🟩	🟩	🟩	🟩
`table.concat(tbl, [sep, [i, [j]]])`	🟩	🟩	🟩	🟩	🟩
`table.insert(tbl, [pos,] value)`	🟩	🟩	🟩	🟩	🟩
`table.pack(...)`	🟥	🟩	🟩	🟩	🟩
`table.move(a1, f, e, t, [a2])`	🟥	🟥	🟩	🟩	🟩
`table.maxn(tbl)`	🟩	🟨⁵	🟨⁵	🟥	🟥
`table.remove(tbl, [pos])`	🟩	🟩	🟩	🟩	🟩
`table.sort(tbl, [comp])`	🟩	🟩	🟩	🟩	🟩
`table.unpack(list, [i, [j]]))`	🟥	🟩	🟩	🟩	🟩
Math Library	🟩	🟩	🟩	🟩	🟩
`math.abs(x)`	🟩	🟩	🟩	🟩	🟩
`math.acos(x)`	🟩	🟩	🟩	🟩	🟩
`math.asin(x)`	🟩	🟩	🟩	🟩	🟩
`math.atan(x)`	🟩	🟩	🟩	🟩	🟩
`math.atan(x, [y])`	🟥	🟥	🟩	🟩	🟩
`math.atan2(y, x)`	🟩	🟩	🟨⁶	🟨⁶	🟨⁶
`math.ceil(x)`	🟩	🟩	🟩	🟩	🟩
`math.cos(x)`	🟩	🟩	🟩	🟩	🟩
`math.cosh(x)`	🟩	🟩	🟨⁶	🟨⁶	🟨⁶
`math.deg(x)`	🟩	🟩	🟩	🟩	🟩
`math.exp(x)`	🟩	🟩	🟩	🟩	🟩
`math.floor(x)`	🟩	🟩	🟩	🟩	🟩
`math.fmod(x, y)`	🟩	🟩	🟩	🟩	🟩
`math.frexp(x)`	🟩	🟩	🟨⁶	🟨⁶	🟩
`math.huge`	🟩	🟩	🟩	🟩	🟩
`math.ldexp(m, e)`	🟩	🟩	🟨⁶	🟨⁶	🟩
`math.log(x)`	🟩	🟩	🟩	🟩	🟩
`math.log(x, [base])`	🟥	🟩	🟩	🟩	🟩
`math.log10(x)`	🟩	🟨⁷	🟨⁶	🟨⁶	🟨⁶
`math.max(x, ...)`	🟩	🟩	🟩	🟩	🟩
`math.maxinteger`	🟥	🟥	🟩	🟩	🟩
`math.min(x, ...)`	🟩	🟩	🟩	🟩	🟩
`math.mininteger`	🟥	🟥	🟩	🟩	🟩
`math.modf(x)`	🟩	🟩	🟩	🟩	🟩
`math.pow(x, y)`	🟩	🟩	🟨⁶	🟨⁶	🟨⁶
`math.rad(x)`	🟩	🟩	🟩	🟩	🟩
`math.random([m, [n]])`	🟩	🟩	🟩	🟩	🟩
`math.randomseed(x)`	🟩	🟩	🟩	🟩	🟩
`math.randomseed([x, [y]])`	🟥	🟥	🟥	🟩	🟩
`math.sin(x)`	🟩	🟩	🟩	🟩	🟩
`math.sinh(x)`	🟩	🟩	🟨⁶	🟨⁶	🟨⁶
`math.sqrt(x)`	🟩	🟩	🟩	🟩	🟩
`math.tan(x)`	🟩	🟩	🟩	🟩	🟩
`math.tanh(x)`	🟩	🟩	🟨⁶	🟨⁶	🟨⁶
`math.tointeger(x)`	🟥	🟥	🟩	🟩	🟩
`math.type(x)`	🟥	🟥	🟩	🟩	🟩
`math.ult(m, n)`	🟥	🟥	🟩	🟩	🟩
Bit Library	🟥	🟩	🟨⁸	🟥	🟥
`bit32.arshift(x, disp)`	🟥	🟩	🟨⁸	🟥	🟥
`bit32.band(x, ...)`	🟥	🟩	🟨⁸	🟥	🟥
`bit32.bnot(x)`	🟥	🟩	🟨⁸	🟥	🟥
`bit32.bor(x, ...)`	🟥	🟩	🟨⁸	🟥	🟥
`bit32.btest(x, ...)`	🟥	🟩	🟨⁸	🟥	🟥
`bit32.bxor(x, ...)`	🟥	🟩	🟨⁸	🟥	🟥
`bit32.extract(x, field, width)`	🟥	🟩	🟨⁸	🟥	🟥
`bit32.replace(x, v, field, width)`	🟥	🟩	🟨⁸	🟥	🟥
`bit32.lrotate(x, disp)`	🟥	🟩	🟨⁸	🟥	🟥
`bit32.lshift(x, disp)`	🟥	🟩	🟨⁸	🟥	🟥
`bit32.rrotate(x, disp)`	🟥	🟩	🟨⁸	🟥	🟥
`bit32.rshift(x, disp)`	🟥	🟩	🟨⁸	🟥	🟥
UTF8 Library	🟥	🟥	🟩	🟩	🟩
`utf8.char(...)`	🟥	🟥	🟩	🟩	🟩
`utf8.charpattern`	🟥	🟥	🟩	🟩	🟩
`utf8.codes(s)`	🟥	🟥	🟩	🟩	🟩
`utf8.codepoint(s, [i, [j]])`	🟥	🟥	🟩	🟩	🟩
`utf8.len(s, [i, [j]])`	🟥	🟥	🟩	🟩	🟩
`utf8.offset(s, n, [i])`	🟥	🟥	🟩	🟩	🟩
IO Library	🟩	🟩	🟩	🟩	🟩
`io.close([file])`	🟩	🟩	🟩	🟩	🟩
`io.flush()`	🟩	🟩	🟩	🟩	🟩
`io.input([file])`	🟩	🟩	🟩	🟩	🟩
`io.lines([filename])`	🟩	🟩	🟩	🟩	🟩
`io.open(filename, [mode])`	🟩	🟩	🟩	🟩	🟩
`io.output([file])`	🟩	🟩	🟩	🟩	🟩
`io.popen(prog, [mode])`	🟩	🟩	🟩	🟩	🟩
`io.read(...)`	🟩	🟩	🟩	🟩	🟩
`io.tmpfile()`	🟩	🟩	🟩	🟩	🟩
`io.type(obj)`	🟩	🟩	🟩	🟩	🟩
`io.write(...)`	🟩	🟩	🟩	🟩	🟩
`file:close()`	🟩	🟩	🟩	🟩	🟩
`file:flush()`	🟩	🟩	🟩	🟩	🟩
`file:lines()`	🟩	🟩	🟩	🟩	🟩
`file:read(...)`	🟩	🟩	🟩	🟩	🟩
`file:seek([whence], [offset])`	🟩	🟩	🟩	🟩	🟩
`file:setvbuf(mode, [size])`	🟩	🟩	🟩	🟩	🟩
`file:write(...)`	🟩	🟩	🟩	🟩	🟩
OS Library	🟩	🟩	🟩	🟩	🟩
`os.clock()`	🟩	🟩	🟩	🟩	🟩
`os.date([format, [time]])`	🟩	🟩	🟩	🟩	🟩
`os.difftime(t2, t1)`	🟩	🟩	🟩	🟩	🟩
`os.execute([command])`	🟩	🟩	🟩	🟩	🟩
`os.exit([code])`	🟩	🟩	🟩	🟩	🟩
`os.exit([code, [close]])`	🟥	🟩	🟩	🟩	🟩
`os.getenv(varname)`	🟩	🟩	🟩	🟩	🟩
`os.remove(filename)`	🟩	🟩	🟩	🟩	🟩
`os.rename(oldname, newname)`	🟩	🟩	🟩	🟩	🟩
`os.setlocale([locale, [category]])`	🟩	🟩	🟩	🟩	🟩
`os.time([table])`	🟩	🟩	🟩	🟩	🟩
`os.tmpname()`	🟩	🟩	🟩	🟩	🟩
Debug Library	🟩	🟩	🟩	🟩	🟩
`debug.debug()`	🟩	🟩	🟩	🟩	🟩
`debug.getfenv([object])`	🟩	🟥	🟥	🟥	🟥
`debug.gethook([thread])`	🟩	🟩	🟩	🟩	🟩
`debug.getinfo([thread], f, [what])`	🟩	🟩	🟩	🟩	🟩
`debug.getlocal([thread], f, local)`	🟩	🟩	🟩	🟩	🟩
`debug.getmetatable(object)`	🟩	🟩	🟩	🟩	🟩
`debug.getregistry()`	🟩	🟩	🟩	🟩	🟩
`debug.getupvalue(f, up)`	🟩	🟩	🟩	🟩	🟩
`debug.getuservalue(u)`	🟥	🟩	🟩	🟩	🟩
`debug.getuservalue(u, [n])`	🟥	🟥	🟥	🟩	🟩
`debug.setfenv(object, table)`	🟩	🟥	🟥	🟥	🟥
`debug.sethook([thread], hook, mask, [count])`	🟩	🟩	🟩	🟩	🟩
`debug.setlocal([thread], level, local, value)`	🟩	🟩	🟩	🟩	🟩
`debug.setmetatable(object, table)`	🟩	🟩	🟩	🟩	🟩
`debug.setupvalue(f, up, value)`	🟩	🟩	🟩	🟩	🟩
`debug.setuservalue(u, value)`	🟥	🟩	🟩	🟩	🟩
`debug.setuservalue(u, value, [n])`	🟥	🟥	🟥	🟩	🟩
`debug.traceback([thread], [message, [level]])`	🟩	🟩	🟩	🟩	🟩
`debug.upvalueid(f, n)`	🟥	🟩	🟩	🟩	🟩
`debug.upvaluejoin(f1, n1, f2, n2)`	🟥	🟩	🟩	🟩	🟩

LUA_COMPAT_LOADSTRING ↩ ↩²
LUA_COMPAT_UNPACK ↩ ↩²
LUA_COMPAT_MODULE ↩ ↩² ↩³ ↩⁴
LUA_COMPAT_LOADERS ↩ ↩²
LUA_COMPAT_MAXN ↩ ↩²
LUA_COMPAT_MATHLIB ↩ ↩² ↩³ ↩⁴ ↩⁵ ↩⁶ ↩⁷ ↩⁸ ↩⁹ ↩¹⁰ ↩¹¹ ↩¹² ↩¹³ ↩¹⁴ ↩¹⁵ ↩¹⁶ ↩¹⁷ ↩¹⁸ ↩¹⁹ ↩²⁰ ↩²¹ ↩²²
LUA_COMPAT_LOG10 ↩
LUA_COMPAT_BITLIB ↩ ↩² ↩³ ↩⁴ ↩⁵ ↩⁶ ↩⁷ ↩⁸ ↩⁹ ↩¹⁰ ↩¹¹ ↩¹² ↩¹³

truemedian/compat.md

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Lua Compatibility Matrix

truemedian/compat.md

Lua Compatibility Matrix

Footnotes