<div dir="ltr">Stefan, thank you. I did not think to restart the browser when I tried to toggle that setting. This is a great improvement!<br>Too bad they are deprecating this feature. The video you shared in the link demonstrates exactly my experience. I hope the FF team decides to continue supporting this legacy mode.<div>Thanks again for sharing this.</div><div><br></div><div>Jordan</div></div><div class="gmail_extra"><br><div class="gmail_quote">On Mon, Aug 29, 2016 at 9:36 AM, Stefan Seidel <span dir="ltr"><<a href="mailto:sseidel@vub.de" target="_blank">sseidel@vub.de</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><u></u>
<div style="font-family:'Sans Serif';font-size:9pt;font-weight:400;font-style:normal">
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">It's still there in the 51.0.a1 nightly build.</p>
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px"> </p>
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">There's a conversation on reddit about it (started by me) and also a bug report:</p>
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px"> </p>
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px"><a href="https://www.reddit.com/r/firefox/comments/4nfmvp/ff_47_unbearable_slow_over_remote_x11/" target="_blank">https://www.reddit.com/r/<wbr>firefox/comments/4nfmvp/ff_47_<wbr>unbearable_slow_over_remote_<wbr>x11/</a></p>
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px"><a href="https://bugzilla.mozilla.org/show_bug.cgi?id=1263222" target="_blank">https://bugzilla.mozilla.org/<wbr>show_bug.cgi?id=1263222</a></p>
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px"> </p>
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">Stefan Seidel</p>
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px"> </p>
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">------------------------------<wbr>-------</p>
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">On Sunday 28 August 2016 23:25:50 Stefan Seidel wrote:</p>
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">> The variables gone by 50.Â~</p>
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">> </p>
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">> -_-_-_-_-_-_-_-_-_-_-_-_-_-_-_<wbr>-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_<wbr>-_-_-_-_-_-_-_-_</p>
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">> -_- Eskimo North Linux Friendly Internet Access, Shell Accounts, and</p><div><div class="h5">
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">> Hosting. Knowledgeable human assistance, not telephone trees or script</p>
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">> readers. See our web site: <a href="http://www.eskimo.com/" target="_blank">http://www.eskimo.com/</a> <a href="tel:%28206%29%20812-0051" value="+12068120051" target="_blank">(206) 812-0051</a> or (800)</p>
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">> 246-6874.</p>
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">> On Mon, 29 Aug 2016, Stefan Seidel wrote:</p>
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">> > Date: Mon, 29 Aug 2016 08:11:53 +0200</p>
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">> > From: Stefan Seidel <<a href="mailto:sseidel@vub.de" target="_blank">sseidel@vub.de</a>></p>
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">> > To: Jordan Sokolic <<a href="mailto:jordan@twiggle.com" target="_blank">jordan@twiggle.com</a>></p>
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">> > Cc: <a href="mailto:x2go-user@lists.x2go.org" target="_blank">x2go-user@lists.x2go.org</a></p>
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">> > Subject: Re: [X2Go-User] Web browser performance over X2Go</p>
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">> > </p>
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">> > Hi Jordan,</p>
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">> > </p>
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">> > Firefox 47 disabled XRender support by default. Go to about:settings and</p>
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">> > search for xrender, set the property to true. That made it a lot better</p>
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">> > for</p>
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">> > me.</p>
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">> > </p>
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">> > Stefan</p>
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">> > </p>
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">> >> Date: Sat, 27 Aug 2016 12:34:32 +0300</p>
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">> >> From: Jordan Sokolic <<a href="mailto:jordan@twiggle.com" target="_blank">jordan@twiggle.com</a>></p>
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">> >> To: <a href="mailto:x2go-user@lists.x2go.org" target="_blank">x2go-user@lists.x2go.org</a></p>
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">> >> Subject: [X2Go-User] Web browser performance over X2Go</p>
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">> >> </p>
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">> >> Message-ID:</p>
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">> >> <CAFbFDtijPrfER_DEu+<wbr>zM11N08FKb_Zn-<wbr>WdUEkR99AQN1zZ9o=<a href="mailto:Q@mail.gmail.com" target="_blank">Q@mail.gmail.<wbr>com</a>></p>
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">> >> </p>
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">> >> Content-Type: text/plain; charset="utf-8"</p>
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">> >> </p>
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">> >> Hello,</p>
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">> >> I use a web frontend for work that runs locally on my server over X2Go</p>
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">> >> for</p>
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">> >> about one year with success.</p>
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">> >> Some months ago I noticed a significant decrease in performance when</p>
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">> >> using</p>
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">> >> Firefox. My server is running Ubuntu 16.04 with MATE desktop, Windows 10</p>
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">> >> client. Up to Firefox version 39.0.3 performance of loading pages,</p>
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">> >> scrolling, browsing etc. was nearly flawless over a 5Mbit WAN link (with</p>
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">> >> the exception of embedded video elements). However it seems the release</p>
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">> >> of</p>
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">> >> Firefox version 40.0 introduced some changes in rendering (see</p>
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">> >> <a href="https://www.mozilla.org/en-US/firefox/40.0/releasenotes/" target="_blank">https://www.mozilla.org/en-US/<wbr>firefox/40.0/releasenotes/</a>) that do not</p>
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">> >> play</p>
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">> >> nice with X2Go. Further reduction in performance was noticed in versions</p>
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">> >> 46.0 and 48.0. The current release (48.0) even has trouble rendering a</p>
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">> >> plain text document without lag and choppiness.</p>
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">> >> I have tried toggling various flags relating to graphics, compositing,</p>
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">> >> rendering, etc. to no avail.</p>
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">> >> To work around this problem the only solution I have found is to forward</p>
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">> >> ports over a separate SSH tunnel and browse locally, but this is</p>
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">> >> cumbersome</p>
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">> >> to set up every time I need to connect.</p>
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">> >> I have preferred Firefox to Chrome over X2Go because the latter has</p>
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">> >> always</p>
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">> >> been unusably slow; now they are both similarly choppy and slow.</p>
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">> >> Has anyone else noticed this?</p>
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">> >> Any advice or help would be appreciated.</p>
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">> >> </p>
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">> >> Regards</p>
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">> >> </p>
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">> >> Jordan</p></div></div></div></blockquote></div><br></div>