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Welcome to lua-l, a list for discussing the Lua programming language, its uses, and its implementation. For further information, visit this page .

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Sergey Bronnikov, … 云风 Cloud Wu10

6:42 AM

An heap-use-after-free is triggered in the insertkey()

Roberto Ierusalimschy <rob...@inf.puc-rio.br>于2026年7月11日周六00:19写道： When it goes to insert key

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An heap-use-after-free is triggered in the insertkey()

Roberto Ierusalimschy <rob...@inf.puc-rio.br>于2026年7月11日周六00:19写道： When it goes to insert key

6:42 AM

Martin Eden, … Roberto Ierusalimschy6

Jul 10

Minor documentation inconsistency

> > > It seems like "global attnamelist" is also wrong in another way: When >

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Minor documentation inconsistency

> > > It seems like "global attnamelist" is also wrong in another way: When >

Jul 10

Jul 10

[ANN] clx 0.2.0 released

Hi, A month ago I announced clx and received a lot of useful feedback regarding GC, coroutines,

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[ANN] clx 0.2.0 released

Hi, A month ago I announced clx and received a lot of useful feedback regarding GC, coroutines,

Jul 10

Sewbacca, … Ką Mykolas18

Jul 7

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

Cool, thanks! I'll give it a read! And yes, indeed, it's not necessary to modify the Lua

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

Cool, thanks! I'll give it a read! And yes, indeed, it's not necessary to modify the Lua

Jul 7

Jul 5

"How to prevent catastrophic regex? "redux

http://lua-users.org/lists/lua-l/2020-06/msg00083.html and the following thread discuss the ability

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"How to prevent catastrophic regex? "redux

http://lua-users.org/lists/lua-l/2020-06/msg00083.html and the following thread discuss the ability

Jul 5

Shivam Sharma, … Foster Schucker5

Jul 5

sheets — A high-performance C-backed CSV engine for Lua

I worked with a 117000 rows with all the employee data on a migration from System A -> B. A could

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sheets — A high-performance C-backed CSV engine for Lua

I worked with a 117000 rows with all the employee data on a migration from System A -> B. A could

Jul 5

Jun 28

Lockless multithreaded LuaJIT

Hello!! I've been working (alongside AI agents) on this fork of LuaJIT to add fully lockless

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Lockless multithreaded LuaJIT

Hello!! I've been working (alongside AI agents) on this fork of LuaJIT to add fully lockless

Jun 28

Calimero, … Francisco Olarte32

Jun 28

Replacing the "if" statement with an "if" expression which supersedes it

On Sun, 28 Jun 2026 at 15:07, 'Calimero' via lua-l <lu...@googlegroups.com> wrote: >

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Replacing the "if" statement with an "if" expression which supersedes it

On Sun, 28 Jun 2026 at 15:07, 'Calimero' via lua-l <lu...@googlegroups.com> wrote: >

Jun 28

samir...@luart.org, … David Given21

Jun 27

[ANN] CLX - Ahead-of-Time Lua 5.5 Compiler

Thanks for the feedback ! CLX currently uses ucontext on POSIX and Fibers on Windows for coroutines.

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[ANN] CLX - Ahead-of-Time Lua 5.5 Compiler

Thanks for the feedback ! CLX currently uses ucontext on POSIX and Fibers on Windows for coroutines.

Jun 27

Martin Eden, … Philippe Verdy3

Jun 25

[Proposal] Support "inf", "-inf" and "-nan" in tonumber()

IMHO these special formats returned by '%q' are just non-sense "hacks" (they target

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[Proposal] Support "inf", "-inf" and "-nan" in tonumber()

IMHO these special formats returned by '%q' are just non-sense "hacks" (they target

Jun 25

amine kheddache

Jun 24

[ANN] Pterocos - Lua Editor Updated with a New Design

Hello Lua community, I'm happy to announce an update to the Lua editor on Pterocos (https://

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[ANN] Pterocos - Lua Editor Updated with a New Design

Hello Lua community, I'm happy to announce an update to the Lua editor on Pterocos (https://

Jun 24

zde...@gmail.com

Jun 24

lua_pushfstring should support the "%.*s" format

Hi, Cheap substrings, embedded \0s, strings with explicit length - I'd like that. Can we have

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lua_pushfstring should support the "%.*s" format

Hi, Cheap substrings, embedded \0s, strings with explicit length - I'd like that. Can we have

Jun 24

amine kheddache, Björn Buckwalter3

Jun 20

[ANN] Pterocos - New Lua editor with live user chat (browser-based, no install)

Hello Bjorm the site should be accessible now normally there was bug consumes alot of resources on

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[ANN] Pterocos - New Lua editor with live user chat (browser-based, no install)

Hello Bjorm the site should be accessible now normally there was bug consumes alot of resources on

Jun 20

Jun 20

[ANN] Lua table serializer (lts), 2026-06

Ahoy list, I'm happy to announce end of rework of my Lua graph serializer. It's function to

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[ANN] Lua table serializer (lts), 2026-06

Ahoy list, I'm happy to announce end of rework of my Lua graph serializer. It's function to

Jun 20

H J, … Marc Balmer7

Jun 18

Parallel processes: multi-core, same CPU?

>> Thanks for your suggestions. >> AFAIK there are two candidates for parallel processing

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Parallel processes: multi-core, same CPU?

>> Thanks for your suggestions. >> AFAIK there are two candidates for parallel processing

Jun 18

Elemer Pixard, Denis Dos Santos Silva2

Jun 16

Proposal for a simple new auxiliary Lua API function

https://jdhao.github.io/2022/12/02/lua-variadic-arguments/ Em segunda-feira, 15 de junho de 2026 às

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Proposal for a simple new auxiliary Lua API function

https://jdhao.github.io/2022/12/02/lua-variadic-arguments/ Em segunda-feira, 15 de junho de 2026 às

Jun 16

Jun 16

[ANN] Lua code melder (lcm), 2026-06

Hello list, "Lua code melder" is command-line tool to compile multi-files Lua program into

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[ANN] Lua code melder (lcm), 2026-06

Hello list, "Lua code melder" is command-line tool to compile multi-files Lua program into

Jun 16

amine kheddache

Jun 15

[ANN] Dev.us.kg - A new Lua community forum for developers

Hello Lua community, I'm excited to announce the launch of **Dev.us.kg**, a new, free community

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[ANN] Dev.us.kg - A new Lua community forum for developers

Hello Lua community, I'm excited to announce the launch of **Dev.us.kg**, a new, free community

Jun 15

Jun 14

Re: to-be-closed: the case for terminating exceptions

I've revisited suppression of errors via to-be-closed vars and have a working prototype based on

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Re: to-be-closed: the case for terminating exceptions

I've revisited suppression of errors via to-be-closed vars and have a working prototype based on

Jun 14

Martin Eden, … ppp vvv6

Jun 14

[Oddity] _G in package.loaded

Does this also mean that it is not a good idea to use luaL_requiref(L, "_G", ...) to load

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[Oddity] _G in package.loaded

Does this also mean that it is not a good idea to use luaL_requiref(L, "_G", ...) to load

Jun 14

Sewbacca, Luiz Henrique de Figueiredo2

Jun 13

How is the Lua source code viewer implemented?

See http://lua-users.org/lists/lua-l/2015-04/msg00429.html On Sat, 13 Jun 2026 at 09:37 'Sewbacca

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How is the Lua source code viewer implemented?

See http://lua-users.org/lists/lua-l/2015-04/msg00429.html On Sat, 13 Jun 2026 at 09:37 'Sewbacca

Jun 13

Payo Nel, Roberto Ierusalimschy3

Jun 12

Bug in luaL_newmetatable: undersized table hint causes permanent corruption under OOM

> I found a bug in luaL_newmetatable (lauxlib.c, line 318 on current master) > where the table

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Bug in luaL_newmetatable: undersized table hint causes permanent corruption under OOM

> I found a bug in luaL_newmetatable (lauxlib.c, line 318 on current master) > where the table

Jun 12

云风 Cloud Wu, … Martin Eden6

Jun 12

Faster 'generic for' for raw table

On 2026-06-12 13:51, 云风 Cloud Wu wrote: > Lua 5.0 introduced generic for/pairs to replace Lua 4.0

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Faster 'generic for' for raw table

On 2026-06-12 13:51, 云风 Cloud Wu wrote: > Lua 5.0 introduced generic for/pairs to replace Lua 4.0

Jun 12

amine kheddache, Tomás Guisasola3

Jun 10

[ANN] Pterocos - Free online editor with Lua, Python, Ruby, SQL support

Hi Tomas Thanks for reaching out! .Yes, currently we only allow the ability to choose version of the

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[ANN] Pterocos - Free online editor with Lua, Python, Ruby, SQL support

Hi Tomas Thanks for reaching out! .Yes, currently we only allow the ability to choose version of the

Jun 10

Jun 9

[ANN] Pluto 0.13.0

Hey, we've just released version 0.13.0 of Pluto, a batteries-included fork of Lua. This release

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[ANN] Pluto 0.13.0

Hey, we've just released version 0.13.0 of Pluto, a batteries-included fork of Lua. This release

Jun 9

mohammadbagher bidram, … Martin Eden6

Jun 9

On 2026-06-08 21:39, 'Sainan' via lua-l wrote: > ??? > > -- Sainan > I think OP

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On 2026-06-08 21:39, 'Sainan' via lua-l wrote: > ??? > > -- Sainan > I think OP

Jun 9

Thijs Schreijer, … Pierre Chapuis5

Jun 8

[ANN] cross terminal terminal library for Lua released

Thanks, I have a small tool using it that was built with an old version, upgrading was painless (just

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[ANN] cross terminal terminal library for Lua released

Thanks, I have a small tool using it that was built with an old version, upgrading was painless (just

Jun 8

Francisco Olarte, … Sean Conner10

Jun 7

Readability question.

Sean: On Fri, 5 Jun 2026 at 22:11, Sean Conner <se...@conman.org> wrote: ... > I would write

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Readability question.

Sean: On Fri, 5 Jun 2026 at 22:11, Sean Conner <se...@conman.org> wrote: ... > I would write

Jun 7

Jun 5

unread,

Jun 5

Payo Nel, Roberto Ierusalimschy2

Jun 4

Bug: OP_VARARGPREP missing IT flag corrupts vararg parameters in test builds

> I found a bug introduced in commit 36c1f6d9 ("Small correction in luaP_opmodes", 2026-

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Bug: OP_VARARGPREP missing IT flag corrupts vararg parameters in test builds

> I found a bug introduced in commit 36c1f6d9 ("Small correction in luaP_opmodes", 2026-

Jun 4

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