// Changelog

What's new

Product updates, new features, and infrastructure changes. We ship weekly.

April 11, 2026v1.4.0Feature

Alpenglow finality support

  • ✓Full support for Alpenglow's 150ms finality — streamed transactions now include finality status
  • ✓New `finality` field in output schema: `confirmed`, `finalized`
  • ✓Health endpoint now reports Alpenglow-aware slot lag metrics
April 7, 2026v1.3.2Feature

Shred-aware filtering for Pro tier

  • ✓Pro and Dedicated tiers now receive transactions at the shred level, before full block confirmation
  • ✓Typical improvement: 8-12ms faster delivery compared to block-level filtering
  • ✓No client-side changes required — same output schema
April 3, 2026v1.3.1Improvement

Jupiter v6 DCA and limit order parsing

  • ✓Jupiter filter now parses DCA execution events and limit order fills
  • ✓New event types: `dca_execute`, `limit_fill`
  • ✓Added `route_hops` field showing the full swap route
March 28, 2026v1.3.0Feature

Custom Program ID filters

  • ✓Pro and Dedicated tiers can now add up to 20 custom Program IDs
  • ✓Configure via dashboard or API: `PUT /v1/filters`
  • ✓Custom programs return raw instruction data (Borsh-encoded) — we parse the standard programs, you parse yours
March 21, 2026v1.2.1Feature

WebSocket fallback endpoint

  • ✓New WebSocket endpoint for environments where gRPC is unavailable
  • ✓Same filtered output, same authentication, same filters
  • ✓Connect via `wss://ws.subglow.io/v1?key=YOUR_KEY&filter=pump_fun`
March 14, 2026v1.2.0Improvement

Pump.fun migration event parsing

  • ✓Pump.fun `migrate` events now include Raydium pool address and initial liquidity
  • ✓Enables cross-program signal: detect token graduation and buy on Raydium in the same slot
March 7, 2026v1.1.0Infrastructure

Frankfurt region launch

  • ✓New EU West region (Frankfurt, NTT datacenter) live
  • ✓Automatic anycast routing — EU users see 40% lower latency
  • ✓US East (Virginia) remains primary for North American traffic
February 28, 2026v1.0.0Launch

Subglow public launch

  • ✓Filtered Solana gRPC streams for Pump.fun, Raydium v5, and Jupiter v6
  • ✓Pre-parsed JSON output with Borsh deserialization
  • ✓Three tiers: Sniper ($99/mo), Pro ($249/mo), Dedicated (custom)
  • ✓Free tier available, no credit card required