fix(0.78): dismiss all sheets created by RCTDevLoadingView when hide is called
#2458
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… called (microsoft#2448) ## Summary: We've had a recurring bug where `RCTDevLoadingView` stick around blocking the whole app even after it's dismissed. As far as I can tell, this is a race condition where we have multiple devloadingviews at once (each setting and nilling the same `self->_window` property), which is causing a race condition. Rather than figure out how to make this class only ever show one window or race-safe, for now I will just make sure to dismiss _all_ sheets when `hide` is called. While we're at it, a couple of other changes: 1. Change the type from `NSPanel` to `NSWindow`. Panels don't release when closed, which may be causing them to stick around longer than we like 2. Move the iOS only variable `mainWindow` into the iOS ifdef, and remove the diffs and diff tag around it. ## Test Plan: Initial testing shows RNTester no longer getting blocked. It could still happen (race conditions are hard), but I think the change is safe to add regardless.
JunielKatarn
approved these changes
Apr 9, 2025
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Backport of #2448 to 0.78-stable