--- title: "Changelog: What's New on Pharos" canonical: "https://pharos.watch/changelog/archive/2026-04/" description: "Weekly release notes for Pharos." --- # Changelog ## 2026-04-20 to 2026-04-26 Harbor and canal metaphors redraw /chains and /liquidity, public /api/* goes keyed-only, and tracked coverage hits 215. - **Visualization metaphors**: /chains becomes a nautical harbor chart with ships scaled by supply, /liquidity turns into a canal with mitre lock gates and chain basins, and the PSI hero gets a lighthouse mini-scene. - **Alt-pegs world atlas**: Alt-pegs hub gains a docked world map with country-fill colors driven by peg taxonomy, a celestial band for Gold/Silver/CPI, fullscreen inspection mode, and a non-USD market structure route. - **Coverage and variants framework**: Tracked coverage grows from 191 to 215 across a flat RWA issuer batch, risk-wrapper assets, and a redemption-modeling pass; a new variants framework links wrappers to parents with inherited blacklist status. - **/api/* keyed-only**: Public /api/* lane is removed in favor of X-API-Key on every request; /_site-data/* is gated on Origin/Referer headers, with a tested 401 floor and a narrow exempt carve-out for feedback/og/health. - **Pipeline correctness hardening**: Reserve/chart/yield-rankings cache validators, freshness sentinels, supply-history validation, malformed payload handling, abort-signal propagation, cron lane isolation, and onchain-only detail fallback. - **Tier 1 refactor wave**: Repo-wide dedup: shared isRecord/CircuitRecord/admin-gates, GradeBadge and DetailSectionTitle primitives, error boundaries, dead layouts, retired legacy stablecoin routes, and frontend module splits. ## 2026-04-13 to 2026-04-19 Pricing pipeline v5.0 lands, 40+ new risk-coverage entries across backstops/blacklist/reserves, and /funding launches. - **Pricing pipeline v5.0**: Every fetcher returns FetcherOutcome for breaker discipline, Curve/Chainlink staleness guards tighten, upstream-observed timestamps propagate from Bitstamp/Coinbase/Curve, and no-candidate circuit recovery generalizes. - **DEWS v5.95 contagion amplifier**: Cross-asset contagion amplifier (clamped [1.0, 1.2]) joins the DEWS blend, a backtest harness validates detection rate + lead time on curated anchors, and /api/stress-signals surfaces amplifier breakdown. - **Mint-burn flows v6.0**: LayerZero/CCIP/CCTP bridges tag as bridge_transfer, atomic roundtrips require 0.5% tolerance, USDC and EURC get CCTP detection, and the Bank Run Gauge reweights by canonical-chain mcap rather than global supply. - **Redemption backstops v3.99**: Adds the flat/RWA issuer batch (USDon, USDsui, BRLV, USDGLO, AUDM, Alloy aUSDT) on top of the prior route expansion, capacity clamping to supply, fee-score breakpoints, and documented fail-closed fallbacks for falcon/frxusd. - **Blacklist tracker v3.91 → v3.95**: 14+ new coins (FIDD, FRXUSD, XUSD, JPYC, USDA/USAT/AEUR, EURCV, NUSD, TUSD, USDP, USDQ, AID, TGBP). Tron ledger mirror, EURC mirror-zero suppression fix, and a new per-coin detail block with stats, chart, and event feed. - **Reserves + Liquidity v5.4 + cron hygiene**: 10+ new reserve adapters (lisusd-lista, ebusd, mim-abracadabra, usdh, usdat-saturn, buck, buidl-chainlink-nav); Liquidity v5.4 pool dedupe + direct-CEX orderbook depth; cron retuned (reserves 1h→4h, blacklist 1h→6h). - **Digest on Opus 4.7 + Telegram /status**: Daily digest streams from Opus 4.7 with week-over-week deltas, Momentum Candidates, forward-look cue, and opening/tone guards. Telegram adds /status , snooze inline keyboard, and worsening-delta depeg triggers. - **Detail-page UX remediation**: Detail hero consolidated with HeroSignalsRail (Safety/Peg/Liquidity/DEWS), full scrollspy nav coverage, shared Breadcrumb + expanded command palette, and home snapshot gets methodology tooltips + always-visible PSI deltas. ## 2026-04-06 to 2026-04-12 Infrastructure axis launches and the PSI hero gains an arc gauge with an annotated crisis timeline. - **Infrastructure axis**: New filter dimension lets users browse stablecoins by underlying protocol: Liquity v1/v2 and M0 tagged across 25 coins, replacing the deprecated protocol-lineage fields. - **Stability intelligence**: PSI page ships an arc gauge hero with annotated crisis events from COVID Crash to BTC ATH, plus hardened non-USD depeg replay for BRZ, TRYB, and commodity pegs. - **Safety Scores redesign**: Grade-grouped card grid, a systemic risk headline ranked by dependent TVL, and entrance animations. - **Best-path exit model**: Exit liquidity replaces the blend with a best-path model and diversification premium (backstop methodology v3.7); Uniswap V2 and V4 pools split from the generic bucket. - **Live reserve adapters**: Abracadabra adapter for MIM cauldron collateral, a Lista adapter, live configs for seven more coins, and USDT reserves upgraded to Q4 2025 attestation data, reaching 136 coins. - **Broader coverage**: Seven new stablecoins (USDat, wM, USDnr, USDK, XO Cash, evaUSDC, evaUSDT) bring the dashboard to 194 tracked coins; RAI retired to the cemetery. - **Navigation & pages**: Redesigned /telegram page, changelog week nav with scroll-spy, refined sidebar signals, and the treasury exposure page retired. - **Pipeline hardening**: Telegram rate-limit handling and HTML fixes, 100+ audit remediation fixes across four merge streams, blacklist v3.7 enrichment, and mint-burn D1 query batching. ## 2026-03-30 to 2026-04-05 API key authentication goes live on protected endpoints as live reserve tracking reaches 126 coins. - **API key authentication**: Full auth gate on protected endpoints with key rotation, audit logging, dual-pepper hashing, and rate limiting - **Liquidity Score v5.0**: Size-aware scoring formulas use market cap to judge depth relative to supply, with component weights reset to 30/20/20/20/10 - **Live reserve expansion**: USDSC, satUSD, USDai, Anzen USDz, Liquity v1 LUSD, frxUSD, eUSD, feUSD, USSD, and Honey go live; DAI and USDS move to Block Analitica, bringing coverage to 126 coins - **Richer risk surfaces**: Non-USD market share charts, blacklist status distribution, and a treasury stable exposure view covering 18 issuer treasuries - **Safety Score v6.93**: Steeper peg multiplier and an active-depeg grade cap - **Broader stablecoin coverage**: BUCK added, Base Dollar listed as upcoming, and USD.AI and sUSDai tracked separately, bringing tracking to 188 stablecoins - **Pipeline reliability**: Hardened pricing consensus, reserve sync, redemption backstops, depeg recovery, and cron orchestration - **Status page upgrades**: Public status history API with uptime bar and transition timeline, request-source attribution, D1 usage telemetry, and FX degradation isolated from overall status - **Changelog and navigation**: Weekly changelog page with timeline layout, collapsible sidebar groups, and a two-column API reference with scrollspy and method badges [Latest releases and all archives](https://pharos.watch/changelog/)