Value of select not updated when option list is changed

[OskarPersson]

Describe the bug
Bound select value is not updated when the option list is updated.

To Reproduce
See REPL here and switch first select value twice and try to select "a" in the other one. Going from "first" to "second" should also select "b"

Expected behavior
Updating the list of options should change the value of the select to a value available in the new list

Information about your Svelte project:

• Your browser and the version: Chrome 86.0.4240.183

• Your operating system: Windows 10

• Svelte version: 3.29.4

• Whether your project uses Webpack or Rollup: Webpack

Severity
How severe an issue is this bug to you? Is this annoying, blocking some users, blocking an upgrade or blocking your usage of Svelte entirely?

Annoying, might have some workaround

Possibly related issues

• bind:value for keyed select tag doesn't work when options are updated #1764
• <Select> does not show the correct initial option if <options> are loaded asynchronously #5051
• value for keyed select tag doesn't work when options are updated #5641

[zyxd]

Hello. How about this solution? https://svelte.dev/repl/2ededb1729df464299370679bb9b614a?version=3.29.4

[OskarPersson]

That works great, thanks!