Pen lines over ~100 pixels long will not render on (some?) Android devices

[adroitwhiz]

Expected Behavior

All pen lines should show up.

Actual Behavior

On (certain?) Android devices, lines over ~100 pixels long will not be drawn:

Steps to Reproduce

1. Create a project
2. Add the pen extension
3. Click "pen down"
4. Make the active sprite move >100ish steps
5. Observe that only a pen dot is drawn, whereas both a pen dot and a pen line should be drawn

I've also created a repro project that tests lines of different lengths.

Operating System and Browser

Android, Chrome + Firefox + others?

Tested on a OnePlus 6T with an Adreno 630 GPU-- the specific model of GPU may play a role in this as well.

[adroitwhiz]

This is still appearing on certain Android devices to a lesser degree

[apple502j]

repro on forum by Chromebook user: https://scratch.mit.edu/discuss/post/3992783/

[BryceLTaylor]

@apple502j That forum post shows an issue that seems to have been fixed by the deploy last week. I think they were seeing a different issue. The problem shown by this issue was definitely NOT fixed by last week's deploy, though.