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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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Cheese, … Roberto Ierusalimschy29

Jan 16

Why set the control variable of this for loop to read-only in Lua5.5?

> In the past Lua was more friendly to the backward compatibility, eg, > there were macros like

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Why set the control variable of this for loop to read-only in Lua5.5?

> In the past Lua was more friendly to the backward compatibility, eg, > there were macros like

Jan 16

Jan 16

regression on zOS between 5.4.8 to 5.5.0 on zOS

Hi, apologies in advance as I am only a casual lua user and only moonlight on zOS (IBM's big-

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regression on zOS between 5.4.8 to 5.5.0 on zOS

Hi, apologies in advance as I am only a casual lua user and only moonlight on zOS (IBM's big-

Jan 16

Scott Morgan, Thijs Schreijer3

Jan 16

On 16/01/2026 06:31, 'Thijs Schreijer' via lua-l wrote: > > On Thu, 15 Jan 2026, at 16:

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On 16/01/2026 06:31, 'Thijs Schreijer' via lua-l wrote: > > On Thu, 15 Jan 2026, at 16:

Jan 16

Yan, Roberto Ierusalimschy2

Jan 15

luaK_exp2anyregup in buildglobal (lparser.c) appears unnecessary

> In the `buildglobal` function, after singlevaraux returns: > > ``` > // buildglobal

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luaK_exp2anyregup in buildglobal (lparser.c) appears unnecessary

> In the `buildglobal` function, after singlevaraux returns: > > ``` > // buildglobal

Jan 15

Jan 13

Introducing civstack: the educational tech stack in the public domain, written in pure Lua!

https://civboot.github.io/index.html I'm writing an educational tech stack in pure Lua and I'

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Introducing civstack: the educational tech stack in the public domain, written in pure Lua!

https://civboot.github.io/index.html I'm writing an educational tech stack in pure Lua and I'

Jan 13

Biniam Fisseha Demissie, Xmilia Hermit3

Jan 13

Out-of-Bounds Read in kname() via Unchecked Constant Table Index

> Can this also be reproduced using non-binary chunks? Unlikely. Only affects applications that

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Out-of-Bounds Read in kname() via Unchecked Constant Table Index

> Can this also be reproduced using non-binary chunks? Unlikely. Only affects applications that

Jan 13

Stefano Cossu, … Luiz Henrique de Figueiredo4

Jan 7

My first 6 months with Lua

> Therefore, I can say quite confidently that Lua is an excellent fit for > my project, and

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My first 6 months with Lua

> Therefore, I can say quite confidently that Lua is an excellent fit for > my project, and

Jan 7

Luiz Henrique de Figueiredo, … Matěj Cepl40

Jan 7

[ANN] Lua 5.5.0 (rc1) now available

On Tue Jan 6, 2026 at 1:56 PM CET, Roberto Ierusalimschy wrote: > One bug was real (but did not

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[ANN] Lua 5.5.0 (rc1) now available

On Tue Jan 6, 2026 at 1:56 PM CET, Roberto Ierusalimschy wrote: > One bug was real (but did not

Jan 7

John Bit, … Xmilia Hermit5

Jan 6

Lua 5.4.4+ for loop stack overflow inside deep recursive function call

John Bit: > local function f(n) > if n == 0 then return end > for _ in pairs({1}) do return

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Lua 5.4.4+ for loop stack overflow inside deep recursive function call

John Bit: > local function f(n) > if n == 0 then return end > for _ in pairs({1}) do return

Jan 6

Jan 6

Documentary about Lua

Hello everyone, I wanted to share that we're currently in production on a documentary about Lua

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Documentary about Lua

Hello everyone, I wanted to share that we're currently in production on a documentary about Lua

Jan 6

Usman, … Denis Dos Santos Silva3

Jan 5

Makefile platform detection fails with modern MinGW64 (MINGW64_NT-10.0-26200)

try $make generic Em terça-feira, 23 de dezembro de 2025 às 18:24:43 UTC-3, Augusto Goulart escreveu:

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Makefile platform detection fails with modern MinGW64 (MINGW64_NT-10.0-26200)

try $make generic Em terça-feira, 23 de dezembro de 2025 às 18:24:43 UTC-3, Augusto Goulart escreveu:

Jan 5

Roberto Ierusalimschy, … Marc Balmer13

Jan 3

es guets neuis! Am 03.01.2026 um 05:51 schrieb ryug...@gmail.com: Modu saehae bok mani badeuseyo! (

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es guets neuis! Am 03.01.2026 um 05:51 schrieb ryug...@gmail.com: Modu saehae bok mani badeuseyo! (

Jan 3

Stefano Cossu, … Sewbacca8

12/31/25

Singleton in C API

Well, not quite. I was storing the string pointer value instead of the string itself as an index.

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Singleton in C API

Well, not quite. I was storing the string pointer value instead of the string itself as an index.

12/31/25

12/31/25

[PATCH] Allow external definition of Lua library paths in luaconf.h

Currently, `LUA_LDIR` and `LUA_CDIR` are hardcoded in `luaconf.h` to `share/lua/` and `lib/lua/`

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[PATCH] Allow external definition of Lua library paths in luaconf.h

Currently, `LUA_LDIR` and `LUA_CDIR` are hardcoded in `luaconf.h` to `share/lua/` and `lib/lua/`

12/31/25

Eleanor Bartle, … Philippe Verdy7

12/30/25

SQL has been already extended as a programming language, within many engines that can handle stored

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SQL has been already extended as a programming language, within many engines that can handle stored

12/30/25

Jasper Klein, … Luiz Henrique de Figueiredo14

12/29/25

Error when loading a C submodule from dll

Op maandag 29 december 2025 om 01:52:03 UTC+1 schreef Sewbacca: Okay so compilation is okay, there

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Error when loading a C submodule from dll

Op maandag 29 december 2025 om 01:52:03 UTC+1 schreef Sewbacca: Okay so compilation is okay, there

12/29/25

Sainan, Roberto Ierusalimschy2

12/29/25

Outdated comment

> Hi, in ltm.h, this comment seems to be outdated with respect to the removal of BITRAS in Lua 5.5

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Outdated comment

> Hi, in ltm.h, this comment seems to be outdated with respect to the removal of BITRAS in Lua 5.5

12/29/25

Hisham, Pierre Chapuis2

12/29/25

[ANN] LuaRocks 3.13.0

Hello, thanks for the release, however there is a problem with the rockspec inside the release

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[ANN] LuaRocks 3.13.0

Hello, thanks for the release, however there is a problem with the rockspec inside the release

12/29/25

Sainan, … Vaughan McAlley3

12/28/25

Semantic change of table length in Lua 5.5

On Thu, 25 Dec 2025 at 05:22, 'Sainan' via lua-l <lu...@googlegroups.com> wrote: Hello,

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Semantic change of table length in Lua 5.5

On Thu, 25 Dec 2025 at 05:22, 'Sainan' via lua-l <lu...@googlegroups.com> wrote: Hello,

12/28/25

Luiz Henrique de Figueiredo, … Scott Morgan14

12/27/25

[ANN] Lua 5.5.0 now available

On 25/12/2025 23:53, Luau Project wrote: > 3. Executing this statement: > > lua -e "

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[ANN] Lua 5.5.0 now available

On 25/12/2025 23:53, Luau Project wrote: > 3. Executing this statement: > > lua -e "

12/27/25

12/26/25

Lua 5.5 and dynamically loaded readline

Hi, and congrats with the 5.5 release! I was excited to see the feature to dlopen readline, because

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Lua 5.5 and dynamically loaded readline

Hi, and congrats with the 5.5 release! I was excited to see the feature to dlopen readline, because

12/26/25

Jason Lethbridge, … sur-behoffski4

12/25/25

Luac Github repository needs updating to work with Lua 5.5.0 codebase

On 2025-12-24 19:53, Jason Lethbridge wrote: > It looks there's been enough changes in the Lua

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Luac Github repository needs updating to work with Lua 5.5.0 codebase

On 2025-12-24 19:53, Jason Lethbridge wrote: > It looks there's been enough changes in the Lua

12/25/25

12/24/25

lua-cmake for Lua 5.5.0

Hi, For anyone wanting to integrate Lua into a CMake-based project, or to build on any platforms not

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lua-cmake for Lua 5.5.0

Hi, For anyone wanting to integrate Lua into a CMake-based project, or to build on any platforms not

12/24/25

Sergey Bronnikov, Roberto Ierusalimschy2

12/23/25

A signed integer overflow in lua_gc

> An undefined behavior (signed integer overflow) is happening on execution > of a Lua chunk

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A signed integer overflow in lua_gc

> An undefined behavior (signed integer overflow) is happening on execution > of a Lua chunk

12/23/25

12/23/25

Lua 5.5.0 for DOS and OS/2 is out

Hallo, you may find the binary DOS and OS/2 WarpIN installers, including adapted Makefiles at: https:

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Lua 5.5.0 for DOS and OS/2 is out

Hallo, you may find the binary DOS and OS/2 WarpIN installers, including adapted Makefiles at: https:

12/23/25

Federico Ferri, … Thijs Schreijer6

12/22/25

Subtle bug indirectly caused by require() and case-insensitive filesystems

On Wed, 17 Dec 2025, at 18:02, Federico Ferri wrote: It all boils down to the fact: > rawequal(

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Subtle bug indirectly caused by require() and case-insensitive filesystems

On Wed, 17 Dec 2025, at 18:02, Federico Ferri wrote: It all boils down to the fact: > rawequal(

12/22/25

Luiz Henrique de Figueiredo, … Luau Project6

12/22/25

[ANN] Lua 5.5.0 (rc4) now available

> Suggestion: add machine limits for the Lua number Thanks for the suggestion. Extended floating

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[ANN] Lua 5.5.0 (rc4) now available

> Suggestion: add machine limits for the Lua number Thanks for the suggestion. Extended floating

12/22/25

Sergey Bronnikov, … Roberto Ierusalimschy14

12/19/25

Memory leak on execution a Lua chunk

> I found the issue. Some calls to the finalizers that should free that > slot are failing due

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Memory leak on execution a Lua chunk

> I found the issue. Some calls to the finalizers that should free that > slot are failing due

12/19/25

Chenchen Zhuo (lunoctis), Roberto Ierusalimschy4

12/19/25

is LUA_NUMBER_FMT_N caused accuracy errors?

thanks for reply, I have no further questions. 在2025年12月19日星期五 UTC+8 02:53:11<Roberto

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is LUA_NUMBER_FMT_N caused accuracy errors?

thanks for reply, I have no further questions. 在2025年12月19日星期五 UTC+8 02:53:11<Roberto

12/19/25

云风 Cloud Wu, Xmilia Hermit6

12/18/25

Optimization for Arrays of Uniform Types

Xmilia Hermit <xmilia...@gmail.com> 于2025年12月18日周四 15:53写道： > > Cloud Wu: > >

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Optimization for Arrays of Uniform Types

Xmilia Hermit <xmilia...@gmail.com> 于2025年12月18日周四 15:53写道： > > Cloud Wu: > >

12/18/25

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