Storyline
Avalanche Fuji testnet upgrade to v1.15.0-fuji activates key protocol improvements
Avalanche's Fuji testnet is scheduled for an upgrade to version v1.15.0-fuji (Helicon) on July 28, 2026, at 11 AM ET (3 PM UTC).
Published 2026-07-21 23:03 UTCUpdated 2026-07-22 14:12 UTC
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Evidence trail (top sources)
top sources (2 domains)domains are deduped. counts indicate coverage, not truth.2 top sources shown
limited source diversity in top sources
Overview
Avalanche's Fuji testnet is scheduled for an upgrade to version v1.15.0-fuji (Helicon) on July 28, 2026, at 11 AM ET (3 PM UTC).
Score total
1.27
Momentum 24h
2
Posts
2
Origins
2
Source types
2
Duplicate ratio
0%
Why now
- The upgrade is scheduled imminently on July 28, 2026, requiring immediate attention from node operators.
- Activation of multiple Avalanche Community Proposals at once marks a significant milestone for the Fuji testnet.
- Users and developers should prepare for brief RPC interruptions during the maintenance window.
Why it matters
- Introduces important protocol improvements impacting validator operations and transaction processing on Avalanche's testnet.
- Deprecation of legacy APIs signals a move towards streamlined and modernized network infrastructure.
- Ensuring node operators upgrade timely is critical to maintain network stability and RPC availability.
Continuity snapshot
- Trend status: insufficient_history.
- Continuity stage: emerging_confirmed.
- Current status: open.
- 2 current source-linked posts are attached to this storyline.
All evidence
All evidence
[Urgent] Avalanche Fuji Testnet - Upgrade to v1.15.0-fuji
Status - QuickNode · status.quicknode.com · 2026-07-22 14:12 UTC
Helicon: Continuous Execution & Auto-Renewed Staking | Fuji Pre-Release
ava-labs/avalanchego · github.com · 2026-07-21 23:03 UTC
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Top publishers (this list)
- Status - QuickNode (1)
- ava-labs/avalanchego (1)
Top origin domains (this list)
- status.quicknode.com (1)
- github.com (1)