I am currently developing a PWA using Next.js and iron-session, and I am testing it locally with HTTPS using mkcert. While testing authentication, I encountered an issue specific to Safari.

Issue:

• In Google Chrome, when I manually add a sessionKey cookie via the developer console and refresh the page, iron-session successfully recognizes the cookie and logs me in.
• However, in Safari, even after adding the same sessionKey cookie manually in the developer console, refreshing the page does not log me in. It seems like iron-session does not recognize the cookie.

Environment:

• Framework: Next.js (latest)
• Session Library: iron-session
• HTTPS Setup: Using mkcert for local HTTPS (https://localhost:3000)
• Browsers Tested:
  • ✅ Chrome: Works fine (manually added cookie is recognized)
  • ❌ Safari: Manually added cookie is not recognized