<div dir="ltr">Same for me, Qt5 reported in Library Info. The comments in the scripts seem unreliable. I'll have to look for a different solution to my problem. Stupid me I didn't check it before</div><div class="gmail_extra"><br><div class="gmail_quote">On Wed, Jun 29, 2016 at 11:03 AM, nophead [via OpenSCAD] <span dir="ltr"><<a href="/user/SendEmail.jtp?type=node&node=17828&i=0" target="_top" rel="nofollow" link="external">[hidden email]</a>></span> wrote:<br><blockquote style='border-left:2px solid #CCCCCC;padding:0 1em' class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">

        <div dir="ltr">The Windows version I am running claims to be using <span style="font-weight:600">Qt version:</span> 5.4.1 and it isn't slow on large models.<br></div><div class="gmail_extra"><br><div class="gmail_quote"><span class="">On 29 June 2016 at 09:51, Rogier Wolff <span dir="ltr"><<a href="http:///user/SendEmail.jtp?type=node&node=17827&i=0" rel="nofollow" link="external" target="_blank">[hidden email]</a>></span> wrote:<br></span><blockquote style='border-left:2px solid #CCCCCC;padding:0 1em' style="border-left:2px solid #cccccc;padding:0 1em" class="gmail_quote"><span class=""><span>On Tue, Jun 28, 2016 at 09:46:14AM -0400, doug moen wrote:<br>
> OpenSCAD uses Qt5 on all platforms, if you have a recent build.<br>
><br>
> On 28 June 2016 at 09:10, buttim <<a href="http:///user/SendEmail.jtp?type=node&node=17827&i=1" rel="nofollow" link="external" target="_blank">[hidden email]</a>> wrote:<br>
><br>
> > I suspect this is a well known story, so bear with me since my Google<br>
> > search<br>
> > (patience?) did not come up with a definitive answer.<br>
> ><br>
> > Seems like Openscad is using the old Qt4 version instead of Qt5. I would<br>
> > like tu understand if it's feasible to switch to Qt5 or not.<br>
<br>
</span>No. this is not feasible. QT5 makes openScad unbearably slow when the<br>
model becomes a bit complicated. This bug needs to be fixed first<br>
before we can switch to QT5....<br>
<br>
... Oh.... :-)<br>
<br>
        Roger.<br>
</span><span><font color="#888888"><br>
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