---
title: "Solana changelog lists Agave v4.3.2 and Firedancer v26.10.4 releases"
description: "Solana's official weekly changelog for October 22, 2026 reports the arrival of Agave v4.3.2 and Firedancer v26.10.4, along with new program SDKs and work on Alpenglow, validator I/O, gossip, and Transaction V1. Reported by Solana News on 2026-10-23. SOL +0.34% in the 1 hour after detection."
language: en
canonical: "https://whycoinmoves.com/en/events/solana-solana-changelog-october-22-2026-fb3f84c7466deb"
published: 2026-10-26T11:25:06.000Z
updated: 2026-10-26T12:26:02.000Z
indexable: true
---

# Solana changelog lists Agave v4.3.2 and Firedancer v26.10.4 releases

Solana's official weekly changelog for October 22, 2026 reports the arrival of Agave v4.3.2 and Firedancer v26.10.4, along with new program SDKs and work on Alpenglow, validator I/O, gossip, and Transaction V1. Reported by Solana News on 2026-10-23. SOL +0.34% in the 1 hour after detection.

Attributed sources: [Solana News](<https://solana.com/news/solana-changelog-october-22-2026>)

## Key facts

Solana's official weekly changelog for October 22, 2026 reports the arrival of Agave v4.3.2 and Firedancer v26.10.4, along with new program SDKs and work on Alpenglow, validator I/O, gossip, and Transaction V1.
Evidence strength: Official source, 1 publisher group(s) (Solana News); this describes source coverage, not truth or causation.
After site detection, observed returns were 5 minutes: -0.07% (difference from BTC -0.03 pp; 26/10/2026, 11:25 → 26/10/2026, 11:31, UTC; Gate · USDT); 1 hour: +0.34% (difference from BTC +0.27 pp; 26/10/2026, 11:25 → 26/10/2026, 12:25, UTC; Gate · USDT). Unlisted windows are unavailable.
In the preceding 30 days, the 99th percentile of absolute hourly returns was 2.01% (OKX · USDT; cutoff 26/10/2026, 11:25, UTC). This hourly baseline is not directly comparable with a minute move.

## Returns after site detection

| Window | Return | BTC | Difference from BTC | Actual sampled interval (UTC) | Source |
| --- | --- | --- | --- | --- | --- |
| 5 minutes | -0.07% | -0.04% | -0.03 pp | 26/10/2026, 11:25 → 26/10/2026, 11:31 | Gate · USDT |
| 1 hour | +0.34% | +0.06% | +0.27 pp | 26/10/2026, 11:25 → 26/10/2026, 12:25 | Gate · USDT |
| 24 hours | — | — | — | — | — |

## Historical hourly baseline

| Metric | Value |
| --- | --- |
| Ready | true |
| Coverage | 100.0% (720/720) |
| Median absolute hourly return | 0.27% |
| 99th percentile of absolute hourly returns | 2.01% |
| BTC beta | 1.48 |
| Source / cutoff (UTC) | OKX · USDT / 26/10/2026, 11:25 |

## Claims and open questions

- Solana's own changelog states that Agave v4.3.2 and Firedancer v26.10.4 arrive with new program SDKs and work on Alpenglow, validator I/O, gossip, and Transaction V1.
- The changelog is described as a weekly newsletter on the latest Solana engineering news, published by Solana News.
- What specific code changes and fixes are included in Agave v4.3.2 and Firedancer v26.10.4, and whether they are released to mainnet validators, would be confirmed by the respective release notes and repository changelogs.
- Which program SDKs are newly published and in what versions, which would be confirmed by the official SDK documentation or package registries.

## Source evidence

- [Solana Changelog: October 22, 2026](<https://solana.com/news/solana-changelog-october-22-2026>) — Solana News; published 23/10/2026, 01:09; received 26/10/2026, 11:25 (UTC).


## Recent SOL events and market reactions

- [Solana activates Alpenglow consensus upgrade on mainnet](<https://whycoinmoves.com/en/events/solana-solana-s-alpenglow-its-biggest-3d4c4e70e1bc54>) — Published 21/10/2026, 04:35 (UTC) · Multiple publishers (3 publishers) · Project updates · 5m -0.14% / 1h +0.09% / 24h -0.51%
- [Why did SOL drop 1.59% in 5 minutes? Evidence check: Solana falls as most tracked coins move lower · 2026-10-20](<https://whycoinmoves.com/en/events/solana-move-1792509240>) — Received 20/10/2026, 15:14 (UTC) · Cause unresolved · Market watch · 5m -0.16% / 1h +0.64% / 24h +2.63%
- [Solana study models geo-aware leader schedule proposal SIMD-0675](<https://whycoinmoves.com/en/events/solana-6091a726fb2f0d>) — Published 14/10/2026, 15:05 (UTC) · Official source (1 publisher) · General news · 1h -0.32%
- [SkyAI sells entire Solana treasury and launches $201 million buyback](<https://whycoinmoves.com/en/events/solana-e79ea86c579606>) — Published 19/10/2026, 21:04 (UTC) · Multiple publishers (2 publishers) · General news · 1h -0.32%
- [Full coin archive](<https://whycoinmoves.com/en/coins/solana>)

## Research for this archive

- [Altcoin beta to Bitcoin: BTC, ETH, SOL and DOGE hourly returns](<https://whycoinmoves.com/en/research/hourly-returns-and-bitcoin-beta.md>)
- [Do XRP and Solana ETF flows move the price? First-year data](<https://whycoinmoves.com/en/research/xrp-solana-etf-flows-and-price.md>)
- [Perpetual funding rates and annualized yield: a 2025 comparison](<https://whycoinmoves.com/en/research/funding-rates-versus-investor-returns.md>)
- [Best time to trade crypto: volatility by hour and time zone](<https://whycoinmoves.com/en/research/best-time-to-trade-crypto-by-hour.md>)

[Methods and limitations](<https://whycoinmoves.com/en/methodology>)
Publisher count is not independent evidence count. Price changes cannot verify news or prove causation.
