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Reactivity issue in v5.36.0Β #16372

@tborychowski

Description

@tborychowski

Describe the bug

After upgrading from v5.35.7 to v5.36 - I'm getting many similar issues related to reactive variables not updating input values.

Reactive variables ($state, $bindable) when bound to input value, and updated programmatically are not updating input values.
When the same value is printed in a div - it is updated correctly.
e.g.:

{value}                <!-- this updates -->
<input bind:value />   <!-- this doesn't -->

see example in the link below.

Reproduction

https://stackblitz.com/edit/vitejs-vite-vgpxggbt?file=src%2FApp.svelte

Logs

no errors

System Info

System:
    OS: macOS 15.5
    CPU: (12) arm64 Apple M4 Pro
    Memory: 1.66 GB / 48.00 GB
    Shell: 5.9 - /bin/zsh
  Binaries:
    Node: 22.17.0 - /opt/homebrew/bin/node
    npm: 11.4.2 - /opt/homebrew/bin/npm
  Browsers:
    Safari: 18.5
  npmPackages:
    svelte: ^5.36.0 => 5.36.0

Severity

blocking an upgrade

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