Some users are seeing bX errors when attempting to leave comments on a blog with word verification enabled. We're investigating the issue and hope to have it resolved soon.

We're investigating reports of users not being able to comment on IE8/9 from the embedded form. We hope to have a fix out shortly, but in the meantime we encourage admins to switch to either the full-page or pop-up forms which should be working without issue.

Thanks for your patience, and we'll make sure to update this post as soon as we have more info.

We're investigating an issue which is preventing login and comment posting for some users, and hope to have a fix released shortly.

Thanks for your patience in the meantime.

Some users are reporting bX errors when attempting to post comments. Our team is investigating the issue and will follow-up here as soon as we have more information.

Update 5/1: This has been fixed, thanks for your patience.

The comment form on individual Pages is currently not rendering, returning a bX-duc6dq error code. We're working to resolve this as soon as possible.

Thanks for your patience in the meantime.

Some users are experiencing comment count discrepancies on their blog, specifically for older comments during the December-January timeframe. We have isolated the underlying problem though, and are working to release a fix shortly.

Also, if you have recently switched hosting from BlogSpot to a custom domain, it may take up to a few hours before the counts are synced completely (and this is expected).

Some users are reporting errors when attempting to moderate comments on their blog. We're investigating this issue and will update this post when we have more info to share.

Thanks for your patience.

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Some profile images are failing to display on embedded comment forms with many comments. We're looking into this and will reply with and update shortly.
Thanks for your patience.

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Some users are seeing a bX-lhziiw exception when attempting to moderate comments from the dashboard; we're investigating this right now and will report back with an update shortly. 

Thanks for your patience.

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Some Safari users attempting to comment on blogs with the embedded form are seeing a "Your request could not be processed. Please try again" message as the comment fails to post. However, posting is usually successful if attempted the second time.

We're looking into this and apologize for the inconvenience.

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Some users are having trouble deleting comments which contain certain special characters and/or certain HTML tags. We're looking into this issue and will update this post once we have a fix.

Thanks for your patience.

Today, we became aware of a bug affecting Blogger's comment feature. Within four hours of identifying the bug, we began to roll out a fix to all users affected. We take Blogger issues very seriously, and sincerely apologize for any inconvenience caused. The bug has been fixed; if you're still experiencing problems, please post details in our Help Forum.

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Comment feeds for some users are not updating properly, and may be missing recent comments in some cases.

We are looking into this now and hope to have it resolved shortly. Thanks for your patience.

200+ comment issue

Some users are having issues with displaying more than 200 comments for a particular post on their blog. We are aware of this issue and are working on a fix.

If you have a customized template or have inserted some 3rd party code into your template, your embedded comment form may not appear as normal.

Comment pagination does not work in post view on blogs with Classic templates. To workaround this issue, click through to the comments form.

Update, 2/29: Comment pagination on Classic templates is now available by adding the <$CommentPager$> tag to your template.

Update, 5/6: Comment pagination does not work for blogs published with FTP.

OpenID and Blogger icons are not appearing correctly for comments on blogs with Classic templates.

Update, 7PM: This has been fixed.

Some comment notification emails are not being sent. We are investigating this issue.

Update, 12/6: This has been fixed.

OpenID

Blogger has removed the URL field for unauthenticated comments. Instead, we're rolling out support for OpenID, a technology for "signing" your comments with your own URL. OpenID lets you comment with the URL you want, while preventing others from impersonating you. Blog admins can turn on OpenID now on Blogger in Draft. Learn more.

Comment moderation email appears broken and without formatting in many email clients. Until this is fixed, the Approve and Reject URLs should be visible at the very bottom in the literal HTML. You can also moderate comments by going to the Posting > Moderate Comments tab in the Blogger interface.

Update, 9/18: This has been fixed.