[ANN] Lua 5.5.0 (rc4) now available

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Luiz Henrique de Figueiredo

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Dec 15, 2025, 4:20:35 PM (yesterday) Dec 15
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Lua 5.5 is the next version of Lua.

Lua 5.5.0 (rc4) is now available for testing at
https://www.lua.org/work/lua-5.5.0-rc4.tar.gz

The SHA256 checksum is
57ccc32bbbd005cab75bcc52444052535af691789dba2b9016d5c50640d68b3d  -

The Git commit ID is
a5522f06d2679b8f18534fd6a9968f7eb539dc31

The main changes in Lua 5.5.0 are listed at
https://www.lua.org/work/doc/#changes

An updated reference manual is included and also available at
https://www.lua.org/work/doc

The complete diffs from rc3 to rc4 are available at
https://www.lua.org/work/diffs-lua-5.5.0-rc3-rc4.html
https://www.lua.org/work/diffu-lua-5.5.0-rc3-rc4.html

A test suite is available at
https://www.lua.org/work/lua-5.5.0-tests.tar.gz

We plan to freeze Lua 5.5.0 by the end of the year.
All feedback welcome. Thanks.
--lhf

Sainan

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Dec 15, 2025, 4:35:06 PM (yesterday) Dec 15
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104b0fc7008b1f6b7d818985fbbad05cd37ee654 is still the latest commit on the github mirror.

-- Sainan

Luiz Henrique de Figueiredo

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10:56 AM (6 hours ago) 10:56 AM
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> 104b0fc7008b1f6b7d818985fbbad05cd37ee654 is still the latest commit on the github mirror.

commit a5522f06d2679b8f18534fd6a9968f7eb539dc31 was done on Dec 13.
It says so at
https://github.com/lua/lua/commits/master/
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