[v2 alpha] devtools are always light mode

Open Beginner friendly

#2,357 opened on Aug 24, 2026 0 comments 0 reactions 0 assignees View on GitHub

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Assessment

Difficulty: 2/5
Estimated time: 1-3 hours
Newbie friendliness: 65/100

Issue type: Bug
Clarity: Mostly clear
Activity status: Active
Tech stack: react, typescript
Domain: tooling

Research direction

Start by tracing the formDevtoolsPlugin() integration in @tanstack/react-form-devtools and compare its theme handling with TanStackDevtools and the query devtools shown in the report. Verify the behavior with the listed package versions; done means the form devtools follow the dark mode selected by TanStackDevtools instead of always rendering light.

Written by the indexing model from the issue text.

Description

area: runtime scope: devtools type: bug v2

using formDevtoolsPlugin(), devtools are always light mode even if TanStackDevtools says dark.

see the query devtools in this screenshot for comparison:

using:

"@tanstack/react-devtools": "0.10.12",
"@tanstack/react-form-devtools": "1.0.0-alpha.2",

Dominant language: TypeScript
Stars: 6.7k
Forks: 682
Avg merge: 5d 18h
Merged PRs (30d): 7

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