That is probably the last release of Lua 5.3. Bugs reported later are probably fixed in Lua 5.4.
转自 http://www.lua.org/bugs.html#5.3.6
Lua 5.3
Lua 5.3 was released on 12 Jan 2015. Its main new features are integers, bitwise operators, a basic utf-8 library, and support for both 64-bit and 32-bit platforms.
The current release is Lua 5.3.6, released on 25 Sep 2020. There will probaby be no further releases of Lua 5.3.
转自 http://www.lua.org/versions.html#5.3