Latest version on release will open, does not find /dev/ttyUSB0 (Mk3 adapter) and disappears when the rescan button is clicked.
V6.23 also did this. Recent update to debian Trixie may have caused this problem.
dmsg log gives:
[223160.568566] usb 1-13.4: Product: MK3-USB Interface
[223160.568571] usb 1-13.4: Manufacturer: VictronEnergy
[223160.568574] usb 1-13.4: SerialNumber: HQ2245ARW23
[223160.577476] ftdi_sio 1-13.4:1.0: FTDI USB Serial Device converter detected
[223160.577570] usb 1-13.4: Detected FT-X
[223160.579027] usb 1-13.4: FTDI USB Serial Device converter now attached to ttyUSB0
[223213.263201] VictronConnect[195936]: segfault at 556ff333fc30 ip 00007fce349e11c6 sp 00007ffd6e184990 error 4 in libQt6Core.so.6[1e11c6,7fce348ba000+440000] likely on CPU 8 (core 4, socket 0)
[223213.263235] Code: 00 74 0a 31 f6 48 89 c7 e8 c7 f6 ff ff 48 8b 44 24 28 48 8b 68 08 48 85 ed 0f 84 ab 03 00 00 48 8b 45 00 48 8d 15 7a 2d ff ff <48> 8b 40 08 48 39 d0 0f 85 76 04 00 00 48 89 ef e8 f5 29 ff ff 48
[223241.889549] VictronConnect[196022]: segfault at 556159487238 ip 00007f75259e11c6 sp 00007fff3220cbb0 error 4 in libQt6Core.so.6[1e11c6,7f75258ba000+440000] likely on CPU 6 (core 3, socket 0)
[223241.889582] Code: 00 74 0a 31 f6 48 89 c7 e8 c7 f6 ff ff 48 8b 44 24 28 48 8b 68 08 48 85 ed 0f 84 ab 03 00 00 48 8b 45 00 48 8d 15 7a 2d ff ff <48> 8b 40 08 48 39 d0 0f 85 76 04 00 00 48 89 ef e8 f5 29 ff ff 48
uname -a:
Linux xxxxx 6.12.88+deb13-amd64 #1 SMP PREEMPT_DYNAMIC Debian 6.12.88-1 (2026-05-15) x86_64 GNU/Linux