Ben Fry comments

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                                            Ben Fry

NullPointerException: Cannot read field "width" because "this.componentInnards" is null

May be weirdness with `JProgressBar` and show/hide calls vs `updateTheme()` or a behind-the-scenes `updateUI()` call.

Calling `windowResize()` with multiple `PApplet` instances running destabilizes the sketch

When you have more than one `PApplet` running at a time, things are going to get messy very quickly… We'll have to see about a fix, but that'll mostly be...

Using right-click 'Jump to declaration' menu item causes Processing to lock-up in some sketches.

Hm, sorry to hear it. That code hasn't changed between 3 and 4, but it sounds like you're hitting a threading deadlock (the spinning) so it may have been broken...

Using right-click 'Jump to declaration' menu item causes Processing to lock-up in some sketches.

Thanks for the example; will try to take a look, or perhaps someone will volunteer to check into it.

Using right-click 'Jump to declaration' menu item causes Processing to lock-up in some sketches.

Related: https://github.com/processing/processing4/issues/551

Using right-click 'Jump to declaration' menu item causes Processing to lock-up in some sketches.

If you have a nice, short example sketch, and a sequence of steps that reproduces the problem, that'd be super helpful.

Using right-click 'Jump to declaration' menu item causes Processing to lock-up in some sketches.

Still can't get this to happen on any of my machines… Clearly a thread deadlock problem but I can't find a good case to trigger it. I'm a little less...

Using right-click 'Jump to declaration' menu item causes Processing to lock-up in some sketches.

Still can't reproduce here:

Using right-click 'Jump to declaration' menu item causes Processing to lock-up in some sketches.

What's the exact thing you're doing to trigger the error? What are you clicking? Are you using the popup or the main menu bar?

Using right-click 'Jump to declaration' menu item causes Processing to lock-up in some sketches.

I need as literal an explanation as possible: what exact bit of text do you click to make this happen? Is the text already highlighted? Or is there no selection...