@kazani
OpenZeppelin Solidity Contracts v5.3 is here š§āš»
This release introduces new token standards and governance improvements, along with new smart account and crosschain capabilities through the Community Contracts Library.
Here's what's new š
š Core Contracts Highlights
ERC-6909 ā New multi-token standard with:
ā¢ Minimal implementation
ā¢ Metadata support
ā¢ Supply tracking
ā¢ Content URI extension
Governor Improvements:
ā¢ New Proposal Guardian role
ā¢ Added Sequential Proposal IDs
ā¢ New Super Quorum mechanism
ā¤ļøāš©¹ 5.3 also packs quality-of-life upgrades such as:
Ā ā¢ trySafeTransfer() for ERC20s (no more surprise reverts)
ā¢ clear() for EnumerableSet and EnumerableMap
ā¢ MerkleTree.update() for dynamic leaf management
ā¢ 512-bit and saturating math operations (add512, mul512, etc)
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