I know the skill DC's from page 42 have been updated several times, and an updated version of them is in the Rules Compendium.
Were the damage expressions also updated? If so, where can I find the updated versions?
You can look at the excellent chart that Mike Shea put together at his site
Sly Flourish: D&D Tips for the 4th Edition Dungeon Master
Here's the direct link to the file http://slyflourish.com/master_dm_sheet.PDF
I know the skill DC's from page 42 have been updated several times, and an updated version of them is in the Rules Compendium.
Were the damage expressions also updated? If so, where can I find the updated versions?
What's interesting is that the damage expression update no longer differentiates between traps/hazards which make single-shot attacks vs. ongoing attacks.