HW4 · N. America
FSD v14.3.9
2026.27.6 / 2026.27.5
Automatic Collision Evasion, parking, emergency vehicles, sharper DMS.
FSD
FSD Supervised
Owner notes from the HW3 Lite path and the HW4 v14.3.x train. Version numbers without hardware context are noise.
HW3 · N. America
FSD v14.2 Lite
2026.27.6
Manners and monitoring. Collision Evasion not included.
HW3 / HW4 · Europe
FSD v14.2.2.6
2026.27.200
Europe supervised stack. Separate notes from NA 14.3.9.
Mixed · N. America
FSD v14.1 Lite + 14.3.8
2026.26.6.5
Still the most common installed combo on the fleet.
FSD4 days ago
FSD v14.3.9 first impressions from an HW3 Lite commute
A week of supervised miles. Less magic, more manners. The Lite path is still the Lite path.
FSD4 days ago
FSD v14.3.9 and v14.2 Lite: Automatic Collision Evasion is HW4-first
Steer-around when AEB is not enough — under 85 mph, dry road, no people in the path. HW3 is still on Lite.
FSD5 days ago
FSD v14 Lite coming to Model S and Model X
The Lite path was a 3/Y story. It is about to be an S/X story too.
FSD6 days ago
FSD Supervised approved in Slovenia, launching soon
Another EU country on the supervised list. The map fills in from the edges.
FSDSep 7, 2026
HW3 vs HW4 in 2026: an owner’s split, not a spec sheet
Lite vs full v14. Collision Evasion. What you can actually expect from a 2019 Model 3.