Yes, all SEO is lost. And yes jquery errors mean that something doesn't work right. Fix it or not, is your decision.

Are you all aware that this forum is showing several JS errors? Apparently due to optimization or plugin conflict?

Just checked it and works right for me.

Also you have a major jquery error in all your pages. ReferenceError: jQuery is not defined

Probably a page named Community exists with the shortcode. Did you renamed the page (and the permalink of the page)?

@kristibe Because wpForo support are reading here a tones of different posts and questions and they can't remember exactly your case and go into det...

@kezeo Read this: and see if it can help you in what you ask.  

@kristibe Because nobody can fix something that doesn't exist in stock wpForo or something that we can't understand clearly. Finally you think the...

@percysgrowroom Athought i have decided to not participate a lot here, i can't resist to help you in this. There is NO way to do that with wpF...

@martin let's forget about it, this is getting hairy.

@martin i do not use ANY addon like Advanced Attachment.

@Martin yes, that icon. Previous to 1.7, after editing a post with attachment, the icon is gone. <p>For archiving reasons, i'm attaching the l...

No need for that, see YOUR posted image above carefully. I have cropped it.  wpForo-Style-Colors_crop.png

Well if you see the above image as fixed, then what can i say.

Not fixed in 1.7  Screenshot.png