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Software update release notes

A clear, searchable history of Tesla software releases, documented changes, and supported vehicles.

All releases

969 releases

2025.45 release branch

Feb 9 2026

2025.45.9.1 FSD v14.2.2.4

Tesla 2025.45.9.1 FSD v14.2.2.4 Update Release Notes

Feature update 22 new changes 24 documented changes 357 (12%) Slowing down North America Cybertruck, Model 3, Model S (Refresh), Model X (Refresh), Model Y

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Jan 24 2026

2025.45.9 FSD v14.2.2.4 (AI4)

Tesla 2025.45.9 FSD v14.2.2.4 (AI4) Update Release Notes

Feature update 22 new changes 25 documented changes 391 (13%) Slowing down North America Cybertruck, Model 3, Model S (Refresh), Model X (Refresh), Model Y

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Jan 13 2026

2025.45.8 FSD v14.2.2.3 (AI4)

Tesla 2025.45.8 FSD v14.2.2.3 (AI4) Update Release Notes

Feature update 22 new changes 24 documented changes 316 (10%) Slowing down North America Cybertruck, Model 3, Model S (Refresh), Model X (Refresh), Model Y

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Dec 29 2025

2025.45.7 FSD v14.2.2.2 (AI4)

Tesla 2025.45.7 FSD v14.2.2.2 (AI4) Update Release Notes

Feature update 22 new changes 24 documented changes 167 (6%) Slowing down North America Cybertruck, Model 3, Model S (Refresh), Model X (Refresh), Model Y

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Dec 24 2025

2025.45.6 FSD v14.2.2.1 (AI4)

Tesla 2025.45.6 FSD v14.2.2.1 (AI4) Update Release Notes

34 (1%) Steady rollout North America Cybertruck, Model 3, Model S (Refresh), Model Y

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Dec 22 2025

2025.45.5 FSD v14.2.2 (AI4)

Tesla 2025.45.5 FSD v14.2.2 (AI4) Update Release Notes

Feature update 21 new changes 22 documented changes 130 (4%) Slowing down North America Cybertruck, Model 3, Model S (Refresh), Model X (Refresh), Model Y

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2025.44 release branch

Mar 9 2026

2025.44.400 FSD v12.6.4 (AI3)

Tesla 2025.44.400 FSD v12.6.4 (AI3) Update Release Notes

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Feb 26 2026

2025.44.300 FSD v12.6.4 (AI3)

Tesla 2025.44.300 FSD v12.6.4 (AI3) Update Release Notes

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Feb 5 2026

2025.44.200

Tesla 2025.44.200 Software Update Release Notes

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Dec 13 2025

2025.44.25.5 FSD v14.2.1.25 (AI4)

Tesla 2025.44.25.5 FSD v14.2.1.25 (AI4) Update Release Notes

Feature update 14 new changes 19 documented changes 168 (6%) Slowing down North America Cybertruck, Model 3, Model S (Refresh), Model X (Refresh), Model Y

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Jan 23 2026

2025.44.25.4.1

Tesla 2025.44.25.4.1 Software Update Release Notes

Maintenance 19 documented changes 7 (0%) Europe & Asia-Pacific Model Y

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Dec 19 2025

2025.44.25.4

Tesla 2025.44.25.4 Software Update Release Notes

Feature update 16 new changes 23 documented changes 125 (4%) Slowing down Global Model 3, Model S, Model X, Model X (Refresh), Model Y

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