1. What changes have you made to Outbid / Bid Confirmation and List Confirmation emails?
2. Are these changes applicable to both HTML and Text versions of emails?
3. Will I still receive the same versions (HTML or Text) of emails?

1. What changes have you made to Outbid / Bid Confirmation and List Confirmation emails?

a) Improved design - We've completely redesigned the 3 emails to make sure you can find the information you need quickly and easily.
b) More information - bidders can now view other items that the seller has listed on the site in the Bid Confirmation emails
c) Better information - We've added critical details about your eBay trading activity to insure you get the information you need to manage all your auctions and purchases, quickly and easily.

Here are previews of these emails:

Oubid email
Bid Confirmation email
List Confirmation email

Yes, all these changes are applicable to both HTML and Text versions of emails.

Yes, you will still receive the same versions of emails.