I can confirm. I just tried to submit an update, and the post also disappeared. I can trigger the by using the Measure tool in "Hide from others" mode. I get this error in the log: helpers.ts:110 Uncaught DOMException: Failed to execute 'drawImage' on 'CanvasRenderingContext2D': The HTMLImageElement provided is in the 'broken' state.
at M ( <a href="https://app.roll20.net/assets/app.js?1587138070:555:13346" rel="nofollow">https://app.roll20.net/assets/app.js?1587138070:555:13346</a> )
at A ( <a href="https://app.roll20.net/assets/app.js?1587138070:555:10483" rel="nofollow">https://app.roll20.net/assets/app.js?1587138070:555:10483</a> )
at <a href="https://app.roll20.net/assets/app.js?1587138070:555:15608" rel="nofollow">https://app.roll20.net/assets/app.js?1587138070:555:15608</a>
at Function.C.each.C.forEach ( <a href="https://app.roll20.net/assets/base.js?1578419093:6:1780" rel="nofollow">https://app.roll20.net/assets/base.js?1578419093:6:1780</a> )
at Object.d20.engine.drawMeasurements ( <a href="https://app.roll20.net/assets/app.js?1587138070:555:15143" rel="nofollow">https://app.roll20.net/assets/app.js?1587138070:555:15143</a> )
at renderLoop ( <a href="https://app.roll20.net/assets/app.js?1587138070:554:12450" rel="nofollow">https://app.roll20.net/assets/app.js?1587138070:554:12450</a> )
at sentryWrapped ( <a href="https://browser.sentry-cdn.com/5.15.4/bundle.min.js:2:45595" rel="nofollow">https://browser.sentry-cdn.com/5.15.4/bundle.min.js:2:45595</a> ) Additionally, the icon for that tool is broken in the tools menu, and the request for <a href="https://app.roll20.net/images/editor/ruler_vis_hide.png" rel="nofollow">https://app.roll20.net/images/editor/ruler_vis_hide.png</a> is getting a 304 Not Modified response from the CDN.