This is likely a Vue internals bug. No it's not. Fix your error messages.
What problem does this feature solve?
using "new feature" because bug requires a link. not all bugs need a reproduction. everyone has seen this valueless error message dozens of times. warn @ runtime-core.esm-bundler.js:38 runtime-core.esm-bundler.js:38 [Vue warn]: Unhandled error during execution of scheduler flush. This is likely a Vue internals bug. Please open an issue at https://new-issue.vuejs.org/?repo=vuejs/core
This message occurs for just about any error, and is misleading. Do your best to find and report the actual error.
What does the proposed API look like?
na