downshift-js/downshift

useCombobox appears to be incompatible with react compiler

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#1,646 opened on May 7, 2025

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help wantedneeds discussionneeds investigation

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Description

If I try and type in an input on combobox then the value does not update. If I add 'use no memo'; to the file to opt out then it works as expected.

I have created a minimal reproduction: https://stackblitz.com/edit/vitejs-vite-jzpospa2?file=src%2FApp.jsx

Contributor guide

Research direction
Investigate why useCombobox fails with React compiler. Check if internal memoization or hook order is affected. Focus on the onChange handler and state updates. Use the provided reproduction.
Tech stack
javascriptreact
Domain
frontend
Issue type
Bug
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
3
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
Half day
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Active
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Mostly clear
Prerequisites
React
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
65