v4.0.0

Changed

• Breaking: Merge the registry and the factory (#81) (@PaulRBerg)
• Breaking: Rename getCurrentProxy to getProxy (@PaulRBerg)
• Breaking: Simplify the envoy permission system (#72) (@PaulRBerg)
• Breaking: Use owner instead of tx.origin as CREATE2 salt (#130) (@PaulRBerg)
• Bump Solidity pragmas (@PaulRBerg)
• Change license to MIT (#49) (@PaulRBerg)
• Rename custom errors to use single underscore (b954b5) (@PaulRBerg)
• Improve formatting and documentation (@PaulRBerg)
• Lower pragma to >=0.8.4 in interface files (46a34c) (@PaulRBerg)
• Make the owner an immutable variable (#120) (@PaulRBerg)
• Make VERSION a string (699f76) (@PaulRBerg)
• Reduce deployment size by setting optimizer runs to 200 (c2f955) (@PaulRBerg)

Added

• Add ability to deploy a proxy and execute a delegate call to a target in a single transaction (@PaulRBerg)
• Add ASCII art (@PaulRBerg)
• Add plugin system (#53) (@cleanunicorn, @PaulRBerg)
• Emit event in setPermission (b277fd) (@PaulRBerg)
• Provide testing utilities for deploying precompiled bytecodes (@PaulRBerg)
• Store the registry address as an immutable variable in the proxy (@PaulRBerg)

Removed

• Breaking: Remove PRBProxyFactory contract (#81) (@PaulRBerg)
• Breaking: Remove proxy storage (#120) (@PaulRBerg)
• Breaking: Remove transferOwnership functionality (#119) (@PaulRBerg)

Fixed

• Fix bug that permitted unintentional calls to fallback functions (#50) (@PaulRBerg)