In https://help.libreoffice.org/Common/Fontwork_1 is the text
This Fontwork dialog is only available for Fontwork in old Writer text documents that were created prior to OpenOffice.org 2.0.
That is wrong. The Fontwork was always available and is still available. It is the tool, which you need to get text along a path. It is mainly used to label connectors.
You must first call Tools - Customize to add a menu command or an icon to open this dialog.
That is right, but not helpful because a search for `Fontwork` has three results. You need to mention, that the command is in the category "Format".
The top row contains the following baseline shapes: Upper Semicircle, Lower Semicircle, Left Semicircle and Right Semicircle.
The middle row contains the following baseline shapes: Upper Arc, Lower Arc, Left Arc and Right Arc.
The bottom row contains the following baseline shapes: Open Circle, Closed Circle, Closed Circle II, and Open Circle Vertical. For the best results, the drawing object must contain more than two lines of text.
That part of the dialog has long time been removed. The corresponding attributes which are used before ODF, are no longer written.
Created attachment 143060 [details]
Dialog for old fontwork
(In reply to Regina Henschel from comment #0)
> a search for `Fontwork` has three results.
Commit 87a8b2c0d1002bff4f6268ac8673dd32fc7762b9 might help a bit with this. It fixes the tooltips, and thus consistently treats "Fontwork" (which we want in this context) as just Fontwork.