Alsephina
https://blog.synthetix.io/the-alsephina-release/
- SIP-184: Dynamic Exchange Fees
- SIP-193: Refactor SystemSettings into Library to reduce contract size
- SIP-196: Remove all centralized oracle code from Synthetix contracts and testing
Audit: https://iosiro.com/audits/synthetix-alsephina-release-smart-contract-audit