I would be really disappointed if any of this would stay in the About box. Regarding alternative text I like Comment 25 [0] best, which suggests this text:

> This software is developed by a team of volunteers and is supported by the community.

> LibreOffice is Free Software and is made available free of charge. Please consider donating: https://www.libreoffice.org/donate/

> For professional support services for LibreOffice, see https://www.libreoffice.org/get-help/professional-support/

[0] https://bugs.documentfoundation.org/show_bug.cgi?id=134486#c...