On Dec 18, 2023, at 12:10, Ihor Radchenko <yantar92@posteo.net> wrote:

Michael Dixon <dixius99@gmail.com> writes:

After a recent update, when I am editing a bulleted list (with an indent
of 2 spaces, like you can see in the Org manual), I get the following
error when I press <RET>, M-<RET>, etc.:

Tab width in Org files must be 8, not 4

This happens within any heading in which the bulleted list exists. If I
create a new heading, I can type text and paragraphs there with no
issue.

I just noticed this today, though I don't often use plain lists, so not
sure if it has been happening for longer.

This is because you have non-standard tab-width setting.
See https://git.savannah.gnu.org/cgit/emacs/org-mode.git/tree/etc/ORG-NEWS#n36

-- 
Ihor Radchenko // yantar92,
Org mode contributor,
Learn more about Org mode at <https://orgmode.org/>.
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