Graphic artefacts on MacOS 10.14.6 system interface while playing video

Whenever a video window is paused (all formats I tried), OS interface gets messed up. See attached screenshot. Version 3.0.8 Vetinari (Intel 64bit)

Model Name: MacBook Pro Model Identifier: MacBookPro10,1 Processor Name: Intel Core i7 Processor Speed: 2,8 GHz Number of Processors: 1 Total Number of Cores: 4 L2 Cache (per Core): 256 KB L3 Cache: 8 MB Hyper-Threading Technology: Enabled Memory: 16 GB Boot ROM Version: 257.0.0.0.0 SMC Version (system): 2.3f35

NVIDIA GeForce GT 650M:

Chipset Model: NVIDIA GeForce GT 650M Type: GPU Bus: PCIe PCIe Lane Width: x8 VRAM (Total): 1 GB Vendor: NVIDIA (0x10de) Device ID: 0x0fd5 Revision ID: 0x00a2 ROM Revision: 3688 Automatic Graphics Switching: Supported gMux Version: 3.2.19 [3.2.8] Metal: Supported, feature set macOS GPUFamily1 v4 Displays: Colour LCD: Display Type: Built-In Retina LCD Resolution: 2880x1800 Retina Framebuffer Depth: 24-Bit Colour (ARGB8888) Main Display: Yes Mirror: Off Online: Yes Rotation: Supported Automatically Adjust Brightness: No

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