cinnamon - screen flash when desktop loads

Hi members, I have searched for an answer to this but cannot seem to find anything about it. When cinnamon desktop loads straight after login, there is a very short bright white flash as it loads the wallpaper. This flash is somewhat like a camera flash going off and does cause me eye fatigue sometimes. Do other users experience this or could this perhaps be an issue with my video drivers?

Better to start with hardware/drivers information:
inxi -Fxxxz
from terminal. Copy that text and paste it here. Use ``` above and bellow for proper formatting.

it's a bug related to all adapta - themes. It is not present on other themes.

not sure though if it needs to be fixed in the themes or in cinnamon.

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Thanks, here's my hardware info.

System:    Host: manjaro-cinnamon Kernel: 4.20.17-1-MANJARO x86_64 bits: 64 compiler: gcc v: 8.2.1 Desktop: Cinnamon 4.0.10 
           dm: LightDM 1.28.0 Distro: Manjaro Linux 
Machine:   Type: Desktop Mobo: ASUSTeK model: SABERTOOTH X79 v: Rev 1.xx serial: <filter> BIOS: American Megatrends v: 4701 
           date: 05/06/2014 
Battery:   Device-1: hidpp_battery_0 model: Logitech M705 serial: <filter> charge: 95% rechargeable: yes status: Discharging 
CPU:       Topology: 6-Core model: Intel Core i7-3960X bits: 64 type: MT MCP arch: Sandy Bridge rev: 7 L2 cache: 15.0 MiB 
           flags: lm nx pae sse sse2 sse3 sse4_1 sse4_2 ssse3 vmx bogomips: 79272 
           Speed: 1264 MHz min/max: 1200/3900 MHz Core speeds (MHz): 1: 1342 2: 1333 3: 1374 4: 1410 5: 1396 6: 1473 7: 1349 
           8: 1366 9: 1516 10: 1394 11: 1421 12: 1510 
Graphics:  Device-1: NVIDIA GP106 [GeForce GTX 1060 3GB] vendor: Micro-Star MSI driver: nvidia v: 390.116 bus ID: 01:00.0 
           chip ID: 10de:1c02 
           Display: x11 server: X.Org 1.20.4 driver: nvidia tty: N/A 
           OpenGL: renderer: GeForce GTX 1060 3GB/PCIe/SSE2 v: 4.6.0 NVIDIA 390.116 direct render: Yes 
Audio:     Device-1: Intel C600/X79 series High Definition Audio vendor: ASUSTeK driver: snd_hda_intel v: kernel 
           bus ID: 00:1b.0 chip ID: 8086:1d20 
           Device-2: NVIDIA GP106 High Definition Audio vendor: Micro-Star MSI driver: snd_hda_intel v: kernel bus ID: 01:00.1 
           chip ID: 10de:10f1 
           Sound Server: ALSA v: k4.20.17-1-MANJARO 
Network:   Device-1: Intel 82579V Gigabit Network vendor: ASUSTeK P8P67 Deluxe driver: e1000e v: 3.2.6-k port: f040 
           bus ID: 00:19.0 chip ID: 8086:1503 
           IF: eno1 state: up speed: 1000 Mbps duplex: full mac: <filter> 
Drives:    Local Storage: total: 9.10 TiB used: 97.89 GiB (1.1%) 
           ID-1: /dev/sda vendor: Kingston model: SKC400S37512G size: 476.94 GiB speed: 6.0 Gb/s serial: <filter> rev: 00.Y 
           scheme: MBR 
           ID-2: /dev/sdb vendor: Seagate model: ST8000DM005-2EH112 size: 7.28 TiB speed: 6.0 Gb/s rotation: 7200 rpm 
           serial: <filter> rev: DN04 scheme: GPT 
           ID-3: /dev/sdc vendor: OCZ model: VERTEX2 3.5 size: 223.57 GiB speed: 3.0 Gb/s serial: <filter> rev: 1.37 
           scheme: MBR 
           ID-4: /dev/sdd vendor: Seagate model: ST1000LX015-1U7172 size: 931.51 GiB speed: 6.0 Gb/s rotation: 5400 rpm 
           serial: <filter> rev: SDM1 scheme: GPT 
           ID-5: /dev/sde vendor: Corsair model: Performance Pro size: 238.47 GiB speed: 6.0 Gb/s serial: <filter> rev: 1.0 
           scheme: GPT 
Partition: ID-1: / size: 199.49 GiB used: 97.89 GiB (49.1%) fs: ext4 dev: /dev/sde2 
           ID-2: swap-1 size: 34.49 GiB used: 0 KiB (0.0%) fs: swap dev: /dev/sde3 
Sensors:   System Temperatures: cpu: 41.0 C mobo: N/A gpu: nvidia temp: 54 C 
           Fan Speeds (RPM): cpu: 0 gpu: nvidia fan: 0% 
Info:      Processes: 360 Uptime: 2h 22m Memory: 31.35 GiB used: 6.27 GiB (20.0%) Init: systemd v: 241 Compilers: gcc: 8.2.1 
           clang: 8.0.0 Shell: bash v: 5.0.2 running in: gnome-terminal inxi: 3.0.32 

Thanks, I suspected it might be. I would say it should be fixed as a matter of priority. A person who suffers from epilepsy could go into a fit from something like this. As for me I suffer from migraines which are triggered by bright flashes of light.

I would say the theme since it is the only theme I know that does that.

But Adapta is pretty much a dead project nowadays, so I see little hope for a fix.

That's actually a very good point.

I don't use Adapta on Cinnamon install, but any particular reason of using the legacy nvidia-390xx driver for that GTX 1060 ?

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