Looks like OCLP 1.6 is coming hot on the heels of 1.5 with more structural changes. I expect this imminently as they're trying to clear the decks before WWDC next week.

OpenCore Legacy Patcher changelog

1.6.0

• Set AssociatedBundleIdentifiers property in launch services as an array
• Move to auto-generated pre/postinstall scripts for PKGs
  • Streamlines PKG creation process, ensuring Install and AutoPKG scripts are always in sync
• Add support for gktool in PKG postinstall scripts
  • Removes Gatekeeper "verifying" prompt on first launch after PKG installation
  • Note gktool is only available on macOS Sonoma and newer