Google Spreadsheets Revision History Enhanced is a userscript that adds these features to Google Spreadsheets Revision History:
- Put editors' colors on the sheets they have edited
- Look and feel of an ordinary diff viewer
- Quicker sheet switching
It has been tested on
- Firefox 5 with Greasemonkey 0.9.5 on Linux and Windows
- Google Chrome and Chromium 12 with Tampermonkey 2.0.2395 on Linux and Windows.
- at userscripts.org
- from here
As usual, I don't mind a small donation for this work that is provided absolutely free.