virtualbox 6.1 and guest editions

Thanks team for the 18.1.5 update. In virtualbox i have to use VMSVGA. When i create an image the resolution is not flexible. In former releases i could drag an image and the resolution always adjusted. Since 6.1 for me not possible.
sudo xrandr output

Screen 0: minimum 1 x 1, current 1360 x 768, maximum 8192 x 8192
Virtual1 connected primary 1360x768+0+0 (normal left inverted right x axis y axis) 0mm x 0mm
800x600 60.00 + 60.32
2560x1600 59.99
1920x1440 60.00
1856x1392 60.00
1792x1344 60.00
1920x1200 59.88
1600x1200 60.00
1680x1050 59.95
1400x1050 59.98
1280x1024 60.02
1440x900 59.89
1280x960 60.00
1360x768 60.02*
1280x800 59.81
1152x864 75.00
1280x768 59.87
1024x768 60.00
640x480 59.94

Is there an issue virtualbox 6.1 and the guest editions ?
Graphics:
Device-1: NVIDIA GT218 [GeForce 210] vendor: ASUSTeK driver: nouveau
v: kernel bus ID: 01:00.0 chip ID: 10de:0a65
Display: server: X.Org 1.20.6 driver: nouveau unloaded: modesetting
alternate: fbdev,nv,vesa tty: N/A
OpenGL: renderer: NVA8 v: 3.3 Mesa 19.3.1 direct render: Yes

Have a read here

also, from your host

Any particular reason for not using the nvidia drivers?

these nvidia packages are installed.

Those are the mhwd scripts packages, not the drivers for nvidia GPU.
https://wiki.manjaro.org/index.php?title=Configure_Graphics_Cards

installed the nvidia 340 driver in manjaro-settings. in guest installed linux54-virtualbox-guest-modules 6.1.0-6 and virtualbox-guest-utils 6.1.0-1 i can only use vmsvga, vboxsvga invalid settings and no desktop.

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