Next15 async headers method compat

[tjx666]

Preliminary Checks

• I have reviewed the documentation: https://clerk.com/docs

• I have searched for existing issues: https://github.com/clerk/javascript/issues

• I have not already reached out to Clerk support via email or Discord (if you have, no need to open an issue here)

• This issue is not a question, general help request, or anything other than a bug report directly related to Clerk. Please ask questions in our Discord community: https://clerk.com/discord.

Reproduction

https://stackblitz.com/github/tjx666/next15-clerk-headers-issue

Publishable key

pk_test_dmlhYmxlLXRyZWVmcm9nLTY4LmNsZXJrLmFjY291bnRzLmRldiQ

Description

1. pnpm install
2. pnpm dev
3. open https://localhost:3000
4. open chrome devtools

You will see:

Environment

System:
    OS: macOS 15.0
    CPU: (8) arm64 Apple M1 Pro
    Memory: 428.80 MB / 16.00 GB
    Shell: 5.9 - /bin/zsh
  Binaries:
    Node: 20.17.0 - ~/.local/state/fnm_multishells/11477_1727689139725/bin/node
    npm: 10.8.3 - ~/.local/state/fnm_multishells/11477_1727689139725/bin/npm
    pnpm: 9.11.0 - ~/.local/state/fnm_multishells/11477_1727689139725/bin/pnpm
    bun: 1.1.29 - /opt/homebrew/bin/bun
  Browsers:
    Chrome: 129.0.6668.71
    Safari: 18.0
  npmPackages:
    @clerk/nextjs: ^5.6.3 => 5.6.3 
    @types/node: ^20 => 20.16.10 
    @types/react: ^18 => 18.3.10 
    @types/react-dom: ^18 => 18.3.0 
    eslint: ^8 => 8.57.1 
    eslint-config-next: 15.0.0-canary.173 => 15.0.0-canary.173 
    next: 15.0.0-canary.173 => 15.0.0-canary.173 
    postcss: ^8 => 8.4.47 
    react: 19.0.0-rc-3edc000d-20240926 => 19.0.0-rc-3edc000d-20240926 
    react-dom: 19.0.0-rc-3edc000d-20240926 => 19.0.0-rc-3edc000d-20240926 
    tailwindcss: ^3.4.1 => 3.4.13 
    typescript: ^5 => 5.6.2

[clerk-cookie]

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