Request: Automatically concatenate all rendered parts with FFMPEG #4

What exactly do you want us to add?
Checkbox that will allow user to enable or disable concatenation of rendered with Split Render feature part into one clip (with different codecs, presets, etc.)

(Optional) If possible attach some concept artworks of your feature

Describe alternatives you've considered
Manual rendering using Adobe Media Encoder or Adobe Premiere Pro or other video editing/converting software.