Basler Ace 2 camera not found with newest pylon software

[jesperstald]

Describe the Issue
Using the CTI file provided in Pylon 7.1, i can connect to a Basler Ace 2 USB camera with no issues.
However, with Pylon 7.5, the camera is not detected.

To Reproduce

1. Install python and harvester 1.4.3
2. Install Pylon 7.5
3. Connect Basler ACE 2 USB
4. list the camera using harvester

Sample Code
I can show a piece of code that demonstrates the reported phenomenon:

• Yes
• No

import numpy as np
from harvesters.core import Harvester

h = Harvester()
h.add_file("C:/Program Files/Basler/pylon 7/Runtime/x64/ProducerU3V.cti")
h.update()

print(h.device_info_list)

Expected Behavior
The device should be listed.

Screenshots
If applicable, add screenshots to help explain your problem; Note that it is not necessary to put everything as a screenshot! If the source is a text just paste the text because that is much helpful for us.

Configuration

• OS: Windows 11 home
• Python: 3.11.9
• Harvester: 1.4.3
• GenTL Producer: Basler Pylon x64 ProducerU3V.cti
• Camera: Basler ACE 2 USB

Reproducibility
This phenomenon can be stably reproduced:

• Yes
• No.

Actions You Have Taken

• Installed pylon 7.5
• Checked that the camera is using the correct driver from Basler
• Tested connection via Pylon viewer
• Reset camera to factory settings
• Tested in two separate windows 11 systems
• Checked that exact same code works with pylon 7.1
• I've read the Harvester FAQ page.