Are there any plans for LibreOffice to support hashtags?

It would be extremely useful if LibreOffice supported hashtags.

Something like the way they are supported in bear: http://www.bear-writer.com

The particular value would be the ability to share hashtags across different types of document.

I see there is one plug-in currently being developed ( GitHub - jdittrich/Office-QDA-TagTree: Libreoffice-Addon for Qualitative Data Analysis ) this only applies to writer, and it looks as if it will not be ready for a while.

Asking such questions here is wrong. It is an unofficial user support forum. To get answers to such questions, read the LO Wiki: Release Plan and Release Notes. If you don’t find what you’re looking for, search Bugzilla and file an RFE as appropriate.