Re: Who is using modified Lua versions, what are they and why?

> On 27 Jun 2026, at 02:55, 'Sewbacca' via lua-l <[email protected]> wrote:
> 
> So out of curiosity: Who is using modified Lua versions, what are the modifications and why do you need them?
> 
> ~ Sewbacca

I have used many custom builds of Lua in my career, but the reasoning has always been different. Some cases;

- a custom build with lua_lock and lua_unlock implemented 
- custom builds because the company I was working at simply didn’t know you could build Lua libraries, so they jammed everything into Lua 
- a custom build because the company wanted to change the bytecode format, security by obscurity - it was client side code, so it had no benefit. 
- many cases where Lua was used as an extension language, so Lua was built into an application and not shipped as a companion. 

If you ask me, of all the modifications I encountered I only could understand the build with lock/unlock. In that specific case it replaced a prebuilt version on Windows for an application we did not maintain. 

~b

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