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Software update release notes

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

Latest release 2026.39.6 Newly spotted 2026.38.4.5 FSD v14.2 Lite (AI3)

Releases tracked: 996
Last updated: 3 hours ago

All releases

996 releases

2026.26 release branch

Aug 22 2026

2026.26.6.2

Tesla 2026.26.6.2 Summer Update Release Notes

Maintenance 22 documented changes 44 (1%) Slowing down Global Model 3, Model Y

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Aug 14 2026

2026.26.6.1

Tesla 2026.26.6.1 Summer Update Release Notes

Maintenance 23 documented changes 408 (12%) Slowing down Global Model 3, Model S, Model S (Refresh), Model X, Model X (Refresh), Model Y

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Aug 11 2026

2026.26.6

Tesla 2026.26.6 Summer Update Release Notes

Feature update 19 new changes 23 documented changes 38 (1%) Picking up Global Model 3, Model S, Model S (Refresh), Model X, Model X (Refresh), Model Y

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Jul 31 2026

2026.26.1

Tesla 2026.26.1 Summer Update Release Notes

Feature update 18 new changes 22 documented changes 309 (10%) Slowing down Global Model 3, Model S, Model S (Refresh), Model X, Model X (Refresh), Model Y

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Jul 26 2026

2026.26

Tesla 2026.26 Summer Update Release Notes

Feature update 16 new changes 20 documented changes 64 (2%) Slowing down Global Model 3, Model S (Refresh), Model X (Refresh), Model Y

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2026.21 release branch

Aug 10 2026

2026.21.300

Tesla 2026.21.300 Software Update Release Notes

Feature update 1 new change 5 documented changes 31 (1%) Slowing down Europe Model 3, Model S (Refresh), Model X (Refresh), Model Y

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Jul 10 2026

2026.21.100

Tesla 2026.21.100 Software Update Release Notes

Feature update 1 new change 5 documented changes 30 (1%) Slowing down Europe Model 3, Model S (Refresh), Model X (Refresh), Model Y

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Aug 9 2026

2026.21.6 FSD v14.3.7 (AI4) · v14.1 Lite (AI3)

Tesla 2026.21.6 FSD v14.3.7 (AI4) · 14.1 Lite (AI3) Update Release Notes

Feature update 9 new changes 15 documented changes 857 (28%) Slowing down North America Cybertruck, Model 3, Model S (Refresh), Model X (Refresh), Model Y

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Aug 1 2026

2026.21.5 FSD v14.3.7 (AI4)

Tesla 2026.21.5 FSD v14.3.7 (AI4) Update Release Notes

Feature update 4 new changes 10 documented changes 34 (1%) Picking up North America Cybertruck, Model 3, Model S (Refresh), Model Y

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2026.20 release branch

Aug 2 2026

2026.20.300

Tesla 2026.20.300 Software Update Release Notes

Maintenance 1 documented change 10 (0%) Global Model 3, Model Y

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Jul 20 2026

2026.20.200.1

Tesla 2026.20.200.1 Software Update Release Notes

Maintenance 18 documented changes 2 North America Model 3

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Jul 28 2026

2026.20.200

Tesla 2026.20.200 Software Update Release Notes

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Data via Teslascope