Canvas

Raised as a usability problem by 7 people on Hacker News over 18 years (2009–2026), in 7 threads.

People raised many different problems with Canvas, but no single problem has yet been raised by 3 people in 3 different months and threads.

Unreviewed issues were grouped by machine: Claude Haiku labelled each comment as a usability complaint, named what it's about and summed up the problem in a line, and a small model grouped similar problems. Nobody has checked them by hand. Expect mistakes.

The newest 7 complaints

Canvas navigation is frustrating because zoom and pan don't use standard mouse actions2026-05-19
Drawing, zooming and moving on the canvas feel very slow2023-11-27
Renderer menu order changes each time, so users lose track of which renderer they viewed2020-05-05
Unclear whether left or right half of rings controls pattern versus sample2017-12-09
Browsers only give text width, so font height layout requires hacky workarounds2017-04-21
Gauges are inaccessible to screen reader users, who can't read the displayed values2016-09-26
Mouse wheel scrolling malfunctions when cursor hovers over Flash-rendered headings2009-07-22