There were no issues with the Logitech web site not knowing what a Tivo DVR C168 was.
So far I haven't had to use the learning facility, but time may tell.
Very pleased so far.
PC: HP ProBook 470G1 (Windows 10 Pro), Intel NUC7I5BNH (Windows 10 Pro), Dell Inspiron 7591 2n1 (Windows 10 Pro)
Net: Ubiquiti Edgerouter X, 3 x Grandstream GWN7610
Storage: Synology DS216play NAS, 2 x 6TB
Media: HDHomeRun Connect, 5 x Amazon FireTV, Echo, Dot, Spot, Ambi Climate
TV: 2 x Samsung H6400 55" LED TV, Panasonic TH-P50G10Z 50" Plasma TV (Great picture, no smarts, just old), DMR-PWT530GZ Blu-ray Recorder
Mobile: Samsung Galaxy Note 5, Huawei P10 Lite
Wearable: Gear S3 Frontier