Conditional hyphenation with ­ does not work

Elements
1

Longer words such as Donau­dampf­schiff­fahrts­kapitäns­mütze can be hyphenated using ­­. This does not work with the Text and Typography components.
See here: Zeilenumbruch erlauben

2

Unfortunately, the command in my first post has disappeared. The separators are &s_h_y; the underscores need to be removed.

3

use either hyphens-auto or text-balance for this

4

Pegasus, thanks for the tip. It works.