Changelog

What we've shipped

Every site, service, security and content update at JP Sheet — openly logged in reverse-chronological order. 51 entries since January 2026.

January 2026

1 update
Full CSP + security headers
Strict-Transport-Security (1 year, includeSubDomains), Content-Security-Policy with allowlists for Stripe/PayPal/YouTube, X-Frame-Options, X-Content-Type-Options, Referrer-Policy, Permissions-Policy.
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