The fee manager uses implementation 142f…acb6 at both June samples and b7a6…d72b at the October snapshot; the current version adds per-agent fee overrides controlled by FEE_RATE_ADJUSTER_ROLE.These are two verified versions and bounded state observations, not the full upgrade chronology. Existing creator/admin controls and proxy upgrade authority prevent treating the observed split as immutable.TIBBIR UNIVERSE THIS IS TIBBIR How to get TIBBIR Ribbit in numbers Connected clues Account archive Bridge & contracts On-chain research Connections Community The story Reading room Network map Timeline Findings Source library Conversations People & companies Open questions Export & reuse