Unexpected behaviour when installing TeX Live 2023 with Scheme: Custom scheme

[Philip Taylor (RHBNC)]

I installed TeX Live 2023 yesterday using Scheme: Custom scheme and Other collections : Windows-only support programs + XeTeX and packages and was surprised to see it installing
Installing [1/6, time/total: ??:??/??:??]: hyphen-base [23k]
Installing [2/6, time/total: 00:02/16:51]: kpathsea [1048k]
Installing [3/6, time/total: 00:07/01:13]: luatex [1925k]
Installing [4/6, time/total: 00:13/00:48]: texlive-scripts [533k]
Installing [5/6, time/total: 00:19/01:00]: texlive.infra [548k]
Installing [6/6, time/total: 00:24/01:05]: tlperl.windows [7087k]
Time used for installing the packages: 00:35
Installing [001/114, time/total: ??:??/??:??]: amsfonts [4725k]
Installing [002/114, time/total: 00:11/06:40]: arabxetex [511k]
Installing [003/114, time/total: 00:18/09:51]: atbegshi [409k]
Installing [004/114, time/total: 00:25/12:41]: atveryend [380k]
Installing [005/114, time/total: 00:33/15:41]: awesomebox [58k]
Installing [006/114, time/total: 00:38/17:54]: babel [2110k]
Installing [007/114, time/total: 00:48/16:47]: bibtex [404k]
[...]
Installing [114/114, time/total: 10:13/10:13]: zbmath-review-template [206k]
etc.  Now I can understand it installing LuaTeX, because it is not impossible that something in the installation and/or update infrastructure requires Lua, but why arabtex, atbegshi, atveryend, awesomebox, babel, bibtex, [...],  zbmath-review-template ?  Is this because XeTeX installs all of these, or is there some other mysterious reason ?  I ask not because I am short of disc space but simply because I sought to install as little as possible in order to be able to identify whether my normal workflow had dependencies other than XeTeX, xdvipdfmx and the plain format ...
--
Philip Taylor


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