<p dir="auto">I select a large file and hiting <code class="notranslate">cmd-shift-L</code> to make multiple selection on all the lines, the system halts and I end up with this screen:<br>
<a target="_blank" rel="noopener noreferrer nofollow" href="https://cloud.githubusercontent.com/assets/697354/3330902/a1ab8628-f7d6-11e3-86c5-1e32ef87503d.png"><img src="https://cloud.githubusercontent.com/assets/697354/3330902/a1ab8628-f7d6-11e3-86c5-1e32ef87503d.png" alt="screen shot 2014-06-19 at 8 24 34 pm" style="max-width: 100%;"></a></p>
<p dir="auto">I was able to confirm this, a noticeable lag when you have around 100 lines selected.</p>
<p dir="auto">support/7a7036deb41111e393e81ac03fa195eb?page=1</p>