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2025.26.8 Downloading

Tecyber1

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I just got the notice it’s ready for install..came here for any special news. Seems a minor bug fix?
 
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Galvatron

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Just ran FSD for 1hr commute with NO dry wipe, even with direct sun glare.

I DID experience an unusual red hands, take over immediately disengage.

Also, experienced a strange 4-way stop hesitancy. It started to go, then stopped, started again, then stopped then finally went.

Finally, it pulled into the right turn lane for the street just before the turn it was routing to and drove over the painted stripes separating the first turn lane from the second. Then it made the turn.

No other changes noticed yet.
 


Mal

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Also, experienced a strange 4-way stop hesitancy. It started to go, then stopped, started again, then stopped then finally went.
I had that weird 4-way stop double-stop happen a few times (inconsistently) with 13.2.7 as well. It's jarring, as it stops as normal, then starts to go as normal, then slams on the brakes as if it's trying to avoid a collision. It only happened a few times, and I couldn't figure out what conditions made it trigger.

I did notice that (on my single test drive) 13.2.8 handled my neighborhood's gate much more smoothly than 13.2.7 did.
 

BengalBoy

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Downloading in Alabama..

Tesla Cybertruck 2025.26.8 Downloading Screenshot_20250827_201820_Tesla
 
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Galvatron

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Had a couple more irregular FSD events tonight before dark.

When I reached my destination on the right, rather than turning into the parking lot, the truck turned the left blinker on and got in the middle turn lane. I took over.
Another time, when I was in the left lane the truck unnecessarily merged into the right lane that was ending soon (big white arrows pointing to the left) and continued until the lane expired, ultimately ending back up in the original last lane.

On the bright side, the wH/m really good. Not sure if any of these events are related to the new SW, but they all certainly occurred while running on it.

Tesla Cybertruck 2025.26.8 Downloading 20250827_215503
 
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Galvatron

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Preface: I love Tesla and FSD

Facts: FSD performance has definitely been impacted by this update based on the last few days of my experience.

I take back my previous dry wiping comment since I have seen several today alone.
There have been several indecisive, erratic steering moments in addition to more than once where the truck has entered the right hand turn lane too soon and continued driving over the painted stripes into the subsequent turn lanes to finally make its intended right hand turn per navigation.
It usually doesn't have difficulty finding the road that I live on even though there are two other road entrances just adjacent to mine. But since the update it keeps trying to turn left off of the main road into one of the other incorrect roads.
It also arrived in the parking lot of my destination and turned to the left as if it was preparing to back into an open parking spot. I was about to be impressed except it to stopped with its front bumper a foot or so away from the back bumper of the car across from the open parking spot. After waiting for about 10 seconds I took over and parked.
Not exclusive to this SW version but confirmed this morning it still ignores school zone speed limit. Cruised right past flashing yellow lights and I had to intervene to slow down.


So I'm pretty convinced that FSD is influenced by these non-fsd software updates. I hope these bugs get fixed quickly since it's a much degraded experience to the previous version.
 
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chrisnewton21

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Today is my first day driving with the update. What I have noticed are three things.
1. there is now a slight steering wheel rumble when I turn the wheel to the left at about 45 degrees. Only does it to the left. There is no debris behind the wheel that could causing this issue.
2. Bluetooth seems to take a while to recognize when I am near to the truck. It used to be within 30 feet or so. Now I have to stand next to the door for 15-20 seconds before it will unlock.
3. Another Bluetooth issue. The truck kept switching between the phone and the truck speakers when talking on the phone.

I am still very happy with my cybertruck!
 

bigcong

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I noticed abnormal behavior on my routine FSD trip to work.
The truck was set in hurry mode.
It changed to the very right lane from middle in about 0.3 miles before the left lane turn.
Within 0.1mile it tried to switch three lanes in order to make that left turn. and it missed of course and still flashing left turn signal try to violate the rule to make that left turn.
Previously it never drove on that very right lane.
 

CYBERUN

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I noticed abnormal behavior on my routine FSD trip to work.
The truck was set in hurry mode.
It changed to the very right lane from middle in about 0.3 miles before the left lane turn.
Within 0.1mile it tried to switch three lanes in order to make that left turn. and it missed of course and still flashing left turn signal try to violate the rule to make that left turn.
Previously it never drove on that very right lane.
I never try FSD on hurry mode, never had any windshield problem until
I tried yesterday. Got crazy after switching FSD from standard to hurry. Car wasn’t going faster just slowing down left fast lain. Won’t move to slower middle or right lane on the own only after switching FSD back to standard.
 

65SoYoLO

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Also, experienced a strange 4-way stop hesitancy. It started to go, then stopped, started again, then stopped then finally went.
My truck did that before 2026.7 it was totally bizzarre and if someone was behind me, it would have caused an accident. only did it one time.
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