While it's true that build 36944 doesn't receive new patches, it also doesn't have backdoors introduced in later versions. To secure it, run it on a dedicated VLAN or an offline PC. For local-only surveillance, it is actually more secure than a cloud-connected newer version.
: Software like OBS Studio or Camo Studio offers significantly more filters, background removal, and advanced overlays than standard surveillance software. For Video Conferencing : Applications like Zoom
Build 36944 has a bug where exports sometimes fail – keep both.