wow, the trac ticket is more than I expected. Thanks for investigating and getting the info to the right people. :-)

Cheers
Martin(IQ)

This is something folks will be looking into further. You might want to follow this Trac ticket: http://core.trac.wordpress.org/ticket/24526

I'm really not sure about this myself, so I'm going to do some asking around to see if I can find an answer for you.

... that shows both the old and new versions

Yeah, I get the same page. But it only compares the changes to the prior revision. Let me give you an example.

We're using revision heavily when translating the support pages to german. Sometimes two to three people are working on a page. So the revision module might look like this:

User 3, 4 days ago (Juni 3rd, 2013 @ 20:36:16)<br /> User 3, 4 days ago (Juni 3rd, 2013 @ 20:12:45)<br /> User 2, 5 days ago (Juni 2nd, 2013 @ 16:12:08)<br /> User 2, 5 days ago (Juni 2nd, 2013 @ 15:53:36)<br /> User 1, 6 days ago (Juni 1st, 2013 @ 08:14:17)<br />

If I post a link https://blahblah.wordpress.com/wp-admin/revision.php?revision=501&action=edit in our teamblog and user 1 clicks on it he/she only sees the changes between the current revision of user 3 and the other one by the same user. If he/she wants to see the changes between the current revision and his/her own (user1) revision you have to enable the checkbox on the upper right and use the slider above to make the comparison. This means a lot of clicking.

Before the changes the urls looked like this: https://blahblah.wordpress.com/wp-admin/revision.php?action=diff&post_type=page&right=297&left=812

You see? Two revisions within the URL. By simply one click you could see a comparison between the changes of user 1 and user 3 without the need to do all the extra work on finding/configuring the revisions yourself.

I'm not sure if I understand correctly. When clicking on a revision, I get a page "Compare revisions of ___" that has a link along the lines of https://blahblah.wordpress.com/wp-admin/revision.php?revision=501&action=edit (not a real link!) that shows both the old and new versions (red and green showing changes) and that link can be shared with anyone who has access to that blog.

This is the same as it's been for a long time, so I'm thinking you must be talking about something else?

I recently tried to post a new revision comparison and couldn't find a way to link to a comparison of two specific revisions. I mean a link that directly opens the comparison of two revisions without the need to specify them by the slider at the top of the page.

Has this feature been removed or made impossible due to the changes?

Cheers
Martin(IQ)

If you have another blog that is hosted by WordPress.com then the posts you assign categories and tags to will appear on the relevant WordPress.com Topics pages unless these reasons apply. http://en.support.wordpress.com/topics/#get-your-content-to-appear-in-topics

I don´t know if it had to do with the transfer.
Thank you.

I just want to know if there was something I should have done before moving or if I have to do something on my wordpress.com blog to make it work.

Thank you.

my new blog is http://thirtysomethingchic.com/

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Is there something else I should have done before moving ? or what should I do

Thanks again!

There are no restrictions if you setup a self-hosted WordPress.org blog instead of a WordPress.com blog, but there are some added responsibilities. We have hosting recommendations at the following link if you are interested.

I'll do it one by one to change the link myself then. Thanks!