The NEWS file from git shows the user-visible changes in each release.
Here are some reviews of Glom:
- September 5th 2006: Ars Technica: Cool App of The Week
- September 4th 2006: Xaprb: A review of the Glom graphical database front-end
- June 8th 2006: Newsforge: Glom, the point-and-click database tool