diff --git a/LATEST_VERSION b/LATEST_VERSION
index 295c9c4fa..8a3bb049a 100644
--- a/LATEST_VERSION
+++ b/LATEST_VERSION
@@ -1 +1 @@
-2011.03.29
+2011.08.04
diff --git a/youtube-dl b/youtube-dl
index 5f275c3cb..569c58e4a 100755
--- a/youtube-dl
+++ b/youtube-dl
@@ -38,7 +38,7 @@ except ImportError:
 	from cgi import parse_qs
 
 std_headers = {
-	'User-Agent': 'Mozilla/5.0 (X11; Linux x86_64; rv:2.0b11) Gecko/20100101 Firefox/4.0b11',
+	'User-Agent': 'Mozilla/5.0 (X11; Linux x86_64; rv:5.0.1) Gecko/20100101 Firefox/5.0.1',
 	'Accept-Charset': 'ISO-8859-1,utf-8;q=0.7,*;q=0.7',
 	'Accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8',
 	'Accept-Encoding': 'gzip, deflate',
@@ -1079,8 +1079,10 @@ class YoutubeIE(InfoExtractor):
 		# Decide which formats to download
 		req_format = self._downloader.params.get('format', None)
 
-		if 'fmt_url_map' in video_info and len(video_info['fmt_url_map']) >= 1 and ',' in video_info['fmt_url_map'][0]:
-			url_map = dict(tuple(pair.split('|')) for pair in video_info['fmt_url_map'][0].split(','))
+		if 'url_encoded_fmt_stream_map' in video_info and len(video_info['url_encoded_fmt_stream_map']) >= 1:
+			url_data_strs = video_info['url_encoded_fmt_stream_map'][0].split(',')
+			url_data = [dict(pairStr.split('=') for pairStr in uds.split('&')) for uds in url_data_strs]
+			url_map = dict((ud['itag'], urllib.unquote(ud['url'])) for ud in url_data)
 			format_limit = self._downloader.params.get('format_limit', None)
 			if format_limit is not None and format_limit in self._available_formats:
 				format_list = self._available_formats[self._available_formats.index(format_limit):]
@@ -2723,7 +2725,7 @@ if __name__ == '__main__':
 		# Parse command line
 		parser = optparse.OptionParser(
 			usage='Usage: %prog [options] url...',
-			version='2011.03.29',
+			version='2011.08.04',
 			conflict_handler='resolve',
 		)