SoftMaker.com

Strange. I set it to 20, and the menu shows 20. I'll give it a try with 50 and look what happens.

I'm afraid not. At least, I would like to have this function, too, and AFAIK there is no way to achieve it.

Correct.

TextMaker handles text and object frames in different modes (edit mode and object mode). So you need two steps to copy or move text with objects: First, set both documents to edit mode, select the text, copy and paste. Second, set both documents to object mode, select the objects, copy and paste. Fo...

FreeOffice uses Hunspell dictionaries, so if your dictionary is in Hunspell format (or can be converted into it - but I have no idea how to do this), FreeOffice can use it.

Version is TextMaker Professional 2018 (rev 933 0620) 32 bit.
In the location you named there are only servicepack 1832_931.exe and servicepack 1832_933.exe.

I know I'm rapidly becoming a grumpy old man, but the manual installation of servicepacks as before was by far less problematic.

Restarted Windows twice. Didn't make any difference.

Exactly the same here.

Please check Tools > Options, tab "View". Are format marks selected there for permanent view?

Problems with Cairo dock have been reported in the German forum, too. One user solved it by creating a sub-dock and moving the Softmaker application icons into this sub-dock. Worth a try.

Go to Tools > Options..., tab "View", and uncheck "Page borders".

In TOCs, there is tab between the heading name at the beginning and the page number at the end of the line. Right-click, choose "Tabs..." and adjust "Tab leader" accordingly. This works in TM 2018 just as in TM 2012 (and with all other tabs, too).

Tools > Customise..., select "Insert Autosum" in the left field, then click "Shortcut keys" and define your shortcut.

Divisions by zero (#DIV/0!) shouldn't occur at all. The correct way is to adjust your formulas to prevent this. Subsequent formulas will work then, too.

I see only German in your screenshot. The field "English (USA)" refers to the document (text) language, not to the language of the user interface. To change the UI language to English, go to Tools > Options..., tab "Appearance", and change the dialog language there.