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The `onPropagate` option for `AsyncLocalStorage` is problematic for a couple of reasons: 1. It is not expected to be forwards compatible in any way with the upcoming TC-39 `AsyncContext` proposal. 2. It introduces a non-trivial O(n) cost invoking a JavaScript callback for *every* AsyncResource that is created, including every Promise. While it is still experimental, I recommend removing it while we can revisit the fundamental use cases in light of the coming `AsyncContext` proposal. Refs: https://github.com/nodejs/node/issues/46374 PR-URL: https://github.com/nodejs/node/pull/46386 Reviewed-By: Stephen Belanger <admin@stephenbelanger.com> Reviewed-By: Vladimir de Turckheim <vlad2t@hotmail.com> Reviewed-By: Geoffrey Booth <webadmin@geoffreybooth.com> Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com> Reviewed-By: Gerhard Stöbich <deb2001-github@yahoo.de> Reviewed-By: Chengzhong Wu <legendecas@gmail.com>