2.19.0 is based on the Tensorflow 2.19.0 release.
Please check out our release note:
http://www.emgu.com/wiki/index.php/Emgu_TF_Version_History#Emgu.TF-2.19.0
Emgu TF Documentation can be found here:
http://www.emgu.com/wiki/files/emgutf/2.19.0/document/index.html
Emgu TF Lite Documentation can be found here:
http://www.emgu.com/wiki/files/emgutf/2.19.0/document-lite/index.html