v2026.07.23.5

What's Changed

Internal

• Add tax_remittances system of record for international tax payments by @gumclaw in #6116
• Remove signup-protection feature flags block_disposable_emails_at_signup + block_gmail_abuse_at_signup (100% enabled and stable in prod) by @gumclaw in #6170
• Fix red main: renumber duplicate migration version 20261206000004 (from #6116) by @gumclaw in #6169
• Remove authenticator_2fa feature flag (100% enabled and stable in prod) by @gumclaw in #6168
• Add buyer_presentment fields to Sales API v2 responses by @gumclaw in #6167
• Make logged-out marketing pages edge-cacheable (fix 9.7s cold hits on gumroad.com) by @gumclaw in #6162
• Count unique buyers, not purchases, in refund-policy enforcement dispute rate by @gumclaw in #6172
• Update help-center dispute-rate wording: unique customers, not sales by @gumclaw in #6173
• Remove ci-protected environment approval gate (no external contributions) by @gumclaw in #6176
• Revert #6176: restore ci-protected approval gate for fork-headed PRs (public repo) by @gumclaw in #6179
• Remove disable_login_recaptcha feature flag (100% on in prod since April) by @gumclaw in #6175
• Fix UPI checkout: collect billing details in the Payment Element for UPI selections by @gumclaw in #6174

Full Changelog: v2026.07.23.4...v2026.07.23.5