Thanks to all the many SOLIDWORKS users asking for this, with the R26xFD02 update of April 2026, you can now:

"Organize media in comments & messages - make comments more expressive and efficient by embedding images and media inline, where they matter most."

The official release statement is here:

Organize media in Comments & Messages

Check it out:

Tip: if you want a line of text, then media, then more text, etc try using the shift+enter key shortcut.

All the R26xFD02 updates are here in this wiki (expand the wiki branches on the LH side to drill down for specifics):