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# Objective [see original comment](https://github.com/bevyengine/bevy/pull/18801#issuecomment-2796981745) > Alternately, could we store it on the World instead of a global? I think we have a World nearby whenever we call default_error_handler(). That would avoid the need for atomics or locks, since we could do ordinary reads and writes to the World. Global error handlers don't actually need to be global – per world is enough. This allows using different handlers for different worlds and also removes the restrictions on changing the handler only once. ## Solution Each `World` can now store its own error handler in a resource. For convenience, you can also set the default error handler for an `App`, which applies it to the worlds of all `SubApp`s. The old behavior of only being able to set the error handler once is kept for apps. We also don't need the `configurable_error_handler` feature anymore now. ## Testing New/adjusted tests for failing schedule systems & observers. --- ## Showcase ```rust App::new() .set_error_handler(info) … ``` |
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Release Content
This directory contains drafts of documentation for the current development cycle, which will be published to the website during the next release. You can find more information in the release notes and migration guide files.