v4.2.2

What's Changed

• Update MACI keys documentation by @crisgarner in #680
• Show the matching pool details prior to the round starting by @yuetloo in #681
• Add recipient profile link on the Recipient Registry page by @yuetloo in #683
• Fix 504 gateway timeout error in dev by @yuetloo in #684
• Update the project's receiving address KYC requirement by @yuetloo in #685
• Script to load users into the simple user registry by @yuetloo in #674
• Update UI for simple user registry and simple recipient registry by @yuetloo in #676

Full Changelog: v4.2.1...v4.2.2