OK, tried on another computer and the experience is much better. An issue on my end then. 

Another update, I've recorded my screen as I make continued strikethroughs of every line of a 1500 word document. As you can see, at the beginning Speedgrader works fine. But when I get a third of the...

Further to the above, I've recorded a video so you can see the extent of the issue. https://www.dropbox.com/s/x7bxrc2sw7n9ioo/canvas%20issue.mp4?dl=0You can see whenever the cursor moves right to left...

Thanks for the quick reply. I was hopeful that the cache reset would help, but it doesn't seem to be the case. I've tried this, and have also tried another browser. It still often takes at least three...

I've been using Speedgrader this year to provide feedback on written assignments. I exclusively use the point, highlight and strikethrough annotations and find that I am able to give high quality feed...

OK, tried on another computer and the experience is much better. An issue on my end then. 

Another update, I've recorded my screen as I make continued strikethroughs of every line of a 1500 word document. As you can see, at the beginning Speedgrader works fine. But when I get a third of the...

Further to the above, I've recorded a video so you can see the extent of the issue. https://www.dropbox.com/s/x7bxrc2sw7n9ioo/canvas%20issue.mp4?dl=0You can see whenever the cursor moves right to left...

Thanks for the quick reply. I was hopeful that the cache reset would help, but it doesn't seem to be the case. I've tried this, and have also tried another browser. It still often takes at least three...

I've been using Speedgrader this year to provide feedback on written assignments. I exclusively use the point, highlight and strikethrough annotations and find that I am able to give high quality feed...