Fusaka
Mainnet Dec 3, 2025
ACD Planning Sandbox
Internal planning tool for ACD facilitators, client teams, and testers. Dates shown are hypothetical projections, not commitments.
Edit and lock dates to explore planning scenarios. Changes are saved automatically to your browser.
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Fork Timeline Planning
See the cascading impacts of scheduling decisions. Click dates to adjust. Changes are saved automatically.
| Phase | Glamsterdam |
|---|---|
| Headliner Selection | |
| Proposal Deadline | ✓ Jun 20, 2025 |
| Selection Date | ✓ Aug 14, 2025 (+55d) |
| Non-headliner EIP Selection | |
| PFI Deadline | ✓ Oct 30, 2025 (+77d) |
| CFI Deadline | ✓ Jan 29, 2026 (+91d) |
| Devnets (0 → N) | 6 devnets |
| Devnet-0 | ✓ Apr 24, 2026 (+85d) |
| Devnet-1 | ✓ Apr 29, 2026 (+5d) |
| Devnet-2 | ✓ May 1, 2026 (+2d) |
| Devnet-3 | ✓ May 6, 2026 (+5d) |
| Devnet-4 | ○ (+21d) |
| Devnet-5 | ○ (+14d) |
| Public Testnets | |
| Holešky | Deprecated |
| Sepolia | ○ (+30d) |
| Hoodi | ○ (+14d) |
| Mainnet Target | (+30d)8mo 20d after Fusaka |
Timeline View
Visualize upgrade phases and their overlap across forks
Fork / Phase
May 25
Jun 25
Jul 25
Aug 25
Sep 25
Oct 25
Nov 25
Dec 25
Jan 26
Feb 26
Mar 26
Apr 26
May 26
Jun 26
Jul 26
Aug 26
Sep 26
Oct 26
Nov 26
Dec 26
Jan 27
Feb 27
Mar 27
Apr 27
Fusaka
Devnets
Devnet-0
May 26, 2025
May 26, 2025
Devnet-1
Jun 9, 2025
Jun 9, 2025
Devnet-2
Jun 26, 2025
Jun 26, 2025
Devnet-3
Jul 23, 2025
Jul 23, 2025
Devnet-4
Aug 8, 2025
Aug 8, 2025
Devnet-5
Sep 10, 2025
Sep 10, 2025
Testnets
Holešky
Oct 1, 2025
Oct 1, 2025
Sepolia
Oct 14, 2025
Oct 14, 2025
Hoodi
Oct 28, 2025
Oct 28, 2025
Mainnet
Mainnet
Dec 3, 2025
Dec 3, 2025
Glamsterdam
Headliners
Proposal Deadline
Jun 20, 2025
Jun 20, 2025
Selection Date
Aug 14, 2025
Aug 14, 2025
Non-headliners
PFI Deadline
Oct 30, 2025
Oct 30, 2025
CFI Deadline
Jan 29, 2026
Jan 29, 2026
Devnets
Devnet-0
Apr 24, 2026
Apr 24, 2026
Devnet-1
Apr 29, 2026
Apr 29, 2026
Devnet-2
May 1, 2026
May 1, 2026
Devnet-3
May 6, 2026
May 6, 2026
Devnet-4
May 27, 2026
May 27, 2026
Devnet-5
Jun 10, 2026
Jun 10, 2026
Testnets
Sepolia
Jul 10, 2026
Jul 10, 2026
Hoodi
Jul 24, 2026
Jul 24, 2026
Mainnet
Mainnet
Aug 23, 2026
Aug 23, 2026
Hegota
Headliners
Proposal Deadline
Feb 4, 2026
Feb 4, 2026
Selection Date
Mar 26, 2026
Mar 26, 2026
Non-headliners
PFI Deadline
Aug 23, 2026
Aug 23, 2026
CFI Deadline
Sep 22, 2026
Sep 22, 2026
Devnets
Devnet-0
Oct 22, 2026
Oct 22, 2026
Devnet-1
Nov 5, 2026
Nov 5, 2026
Devnet-2
Nov 19, 2026
Nov 19, 2026
Devnet-3
Dec 3, 2026
Dec 3, 2026
Devnet-4
Dec 17, 2026
Dec 17, 2026
Testnets
Sepolia
Jan 16, 2027
Jan 16, 2027
Hoodi
Jan 30, 2027
Jan 30, 2027
Mainnet
Mainnet
Mar 1, 2027
Mar 1, 2027
Today
Phase duration
Milestone
Fusaka
Glamsterdam
Hegota
ACD Planning Sandbox
Internal planning tool for ACD facilitators, client teams, and testers. Dates shown are hypothetical projections, not commitments.
Edit and lock dates to explore planning scenarios. Changes are saved automatically to your browser.
Fork Timeline Planning
Default projections using the current planning assumptions.
| Phase | Fusaka | Glamsterdam | Hegota |
|---|---|---|---|
| Headliner Selection ~2-3 months | completed No date set Process not yet formalized for Fusaka | completed Aug 14, 2025 Headliner proposals received and finalized
| completed Mar 26, 2026 FOCIL (EIP-7805) SFI'd as headliner, Frame Transaction (EIP-8141) CFI'd as non-headliner
|
| Non-headliner EIP Selection 1-2 months initial, ongoing | completed No date set Process not yet formalized for Fusaka | completed Jan 29, 2026 PFI and CFI deadlines completed, SFI decisions finalized
| upcoming Aug 23, 2026 - Sep 22, 2026 PFI/CFI decisions ongoing, SFI decisions upcoming
|
| Devnets (0 → N) 3-5 months | completed Sep 10, 2025 6 devnets completed, stable devnet achieved
| in-progress Apr 1, 2026 - Jun 10, 2026 Scoping complete, implemented EIPs are being tested on devnets
| upcoming Oct 22, 2026 - Dec 17, 2026 5 devnets planned
|
| Public Testnets (Sequential) 2-3 months total | completed Oct 28, 2025 Holešky (Oct 1) → Sepolia (Oct 14) → Hoodi (Oct 28)
| upcoming Jul 10, 2026 - Jul 24, 2026 Sequential testnet deployments
| upcoming Jan 16, 2027 - Jan 30, 2027 Sequential testnet deployments
|
| Mainnet Activation 2-4 weeks prep | completed Dec 3, 2025 Mainnet activation complete | upcoming Aug 23, 2026 Target mainnet activation | upcoming Mar 1, 2027 Target mainnet activation |
Headliners
- Proposal to selection Expected days for headliner review and selection.
- 30d
- Selection to PFI Days between headliner selection and proposal window.
- 7d
Scope
- PFI to CFI Expected days for non-headliner proposals.
- 30d
- CFI to first devnet Days between CFI deadline and first devnet.
- 30d
Devnets
- Between devnets Expected days between each devnet.
- 14d
- Last devnet to Sepolia Days between last devnet and first public testnet.
- 30d
Testnets
- Sepolia to Hoodi Days between public testnets.
- 14d
- Hoodi to mainnet Days between Hoodi testnet and mainnet.
- 30d