User-Agent: Mozilla/5.0 (Windows NT 5.1; rv:2.0) Gecko/20100101 Firefox/4.0 Build Identifier: Mozilla/5.0 (Windows NT 5.1; rv:2.0) Gecko/20100101 Firefox/4.0 If you read a feed in Google Reader which has an MP3 attachment (like the feed for a podcast for example) you will see a flash player at the end of the article which allows you to play the file right there. There is also a "Popoup" link next to it which should open the player in a new window. This is not working (the new opened window is empty). Details: I have the latest NoScript installed and google.com is enabled. I also have the following entry in my error console: Error: Components.classes['@mozilla.org/extensions/manager;1'] is undefined Source File: chrome://jqs/content/overlay.js Line: 9 Warning: XUL box for _moz_generated_content_after element contained an inline #text child, forcing all its children to be wrapped in a block. Source File: chrome://browser/content/browser.xul Line: 0 And a lot of CSS warnings like the following: Warning: Unknown property '-moz-opacity'. Declaration dropped. Source File: http://www.google.com/reader/ui/2490394466-en-scroll.css?hl=en Line: 1 Reproducible: Always Steps to Reproduce: 1. Log in to Google Reader 2. Open an article in a feed which has an MP3 linked to it (like a podcast) 3. Scroll down to the bottom of the article and click "Popout" Actual Results: A new empty window opens Expected Results: For a new window to open with the flash player in it.

Confirmend on Windows7 and Ubuntu10.04 *Mozilla/5.0 (Windows NT 6.1; WOW64; rv:2.0b13pre) Gecko/20110319 Firefox/4.0b13pre ID:20110319030418 *Mozilla/5.0 (X11; Linux i686; rv:2.0b13pre) Gecko/20110319 Firefox/4.0b13pre ID:20110319030418 Smaple URL(Japanese) http://www.google.com/reader/view/feed/http%3A%2F%2Fwww.joqr.net%2Fblog%2Fkana%2Findex.xml#stream/feed%2Fhttp%3A%2F%2Fwww.joqr.net%2Fblog%2Fkana%2Findex.xml Regression window(m-c hourly): Works: http://hg.mozilla.org/mozilla-central/rev/0c9ae492cf5f Mozilla/5.0 (Windows NT 6.1; WOW64; rv:2.0b8pre) Gecko/20101013 Firefox/4.0b8pre ID:20101013163957 Fails: http://hg.mozilla.org/mozilla-central/rev/4c146ed860b3 Mozilla/5.0 (Windows NT 6.1; WOW64; rv:2.0b8pre) Gecko/20101014 Firefox/4.0b8pre ID:20101014021111 Pushlog: http://hg.mozilla.org/mozilla-central/pushloghtml?fromchange=0c9ae492cf5f&tochange=4c146ed860b3 In local build(from m-c repository), build from 29c228a4d7eb : fails build from 335272ab0550 : fails build from 659215248912 : works build from 61cf1922e29d : forks Triggered by Bug 580128

Regression window on ubuntu10.04(tm nightly): Works http://hg.mozilla.org/tracemonkey/rev/edb0506b0c23 Mozilla/5.0 (X11; Linux i686; rv:2.0b8pre) Gecko/20101010 Firefox/4.0b8pre ID:20101010033459 Fails: http://hg.mozilla.org/tracemonkey/rev/0a667876b6fd Mozilla/5.0 (X11; Linux i686; rv:2.0b8pre) Gecko/20101011 Firefox/4.0b8pre ID:20101011034442 Pushlog http://hg.mozilla.org/tracemonkey/pushloghtml?fromchange=edb0506b0c23&tochange=0a667876b6fd In local build on ubuntu10.04(from tm repository) build from 6c45f066ed17 : fails build from d7f66f6eeda3 : build error ... build from 5378adc0eb9f : build error build from 659215248912 : works Regressed between 5378adc0eb9f and 6c45f066ed17.

http://www.google.com/reader/view/feed/http%3A%2F%2Fwww.joqr.net%2Fblog%2Fkana%2Findex.xml#stream/feed%2Fhttp%3A%2F%2Fwww.joqr.net%2Fblog%2Fkana%2Findex.xml I can not reproduce the problem any more. http://hg.mozilla.org/mozilla-central/rev/6bcaec19d09e Mozilla/5.0 (Windows NT 6.1; WOW64; rv:6.0a1) Gecko/20110413 Firefox/6.0a1 ID:20110413030543 Fixed range pushlog: http://hg.mozilla.org/mozilla-central/pushloghtml?fromchange=200a746e0fac&tochange=906db7ecd063 Fixed by: 906db7ecd063 Boris Zbarsky — Bug 637644. Start layout on the new document we just created in nsGlobalWindow::SetOpenerScriptPrincipal, since if we don't do it here no one ever will. r=jst

That could do it, yes. And that would explain the regression range too.