Upgrade frequency (per 90 days)

mETH Protocol's assessment for RD-F-137 — scored green on the v1.7.0 rubric. The evidence below is the curator's reasoning for this score.

Evidence summary #

Staking proxy: 3 total upgrades in ~29 months (Oct 2023 x2, Oct 2025 x1) = ~0.10 upgrades/90d. mETH token proxy: 1 upgrade in last 12 months (Jun 2025). L1cmETHAdapter: 1 upgrade Aug 2024. Low upgrade frequency overall — not indicative of hot-patching or unstable codebase.

Sources #

Etherscan
Staking proxy upgrade historyStaking proxy Upgraded events: block 18290598 (Oct 2023), block 18290644 (Oct 2023), block 23689062 (Oct 2025) — 3 total upgradesretrieved 2026-05-16

Methodology #

Count the number of contract upgrades in the trailing 90 days via on-chain upgrade events.

See the full factor methodology and distribution across all protocols →

rubric_version v1.7.0 protocol meth-protocol factor RD-F-137 score green collected_at 2026-05-16 02:17:50