luatex --credits gives:

This is LuaTeX, Version 1.09.0 (TeX Live 2018)

The LuaTeX team is Hans Hagen, Hartmut Henkel, Taco Hoekwater, Luigi Scarso.

LuaTeX merges and builds upon (parts of) the code from these projects:

tex : Donald Knuth
etex : Peter Breitenlohner, Phil Taylor and friends
omega : John Plaice and Yannis Haralambous
aleph : Giuseppe Bilotta
pdftex : Han The Thanh and friends
kpathsea : Karl Berry, Olaf Weber and others
lua : Roberto Ierusalimschy, Waldemar Celes and Luiz Henrique de Figueiredo
metapost : John Hobby, Taco Hoekwater, Luigi Scarso, Hans Hagen and friends
pplib : Paweł Jackowski
fontforge : George Williams (partial)
luajit : Mike Pall (used in LuajitTeX)

Compiled with libpng 1.6.34; using 1.6.34
Compiled with lua version 5.3.4
Compiled with mplib version 2.00
Compiled with zlib 1.2.11; using 1.2.11

Development id: 6822



Am 23. Juni 2018 10:25:01 MESZ schrieb Akira Kakuto <kakuto@fuk.kindai.ac.jp>:
 On Linux armhf i get with the same context and luatex:
 ...

1.09.0 is varying. Please see Development id by
luatex --credits

Best,
Akira


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