it could be that the metadata "upgrade" has caused some problems with the AMG data lookup that does or doesn't happen anymore.

While I am done with importing until I buy a new CD, one of my new ones failed to find metadata last week. Sonic Youth, SYR 3 with Jim O'Rourke. SYR 1 and 2 both imported before no problem.

Primary: 818v3+ID41, M6 stereo pair, M SpeakerLink cabling, Sonos+96kHz Cullen, silver DSW
HT: Marantz prepro, 271, DSP3300, 8K SE FL/FR pair, DSP M6x2, DSP320x4 (ceiling), black DSW, 520 RL/RR rear in-walls
Living Room: G65, 640 L/R in-walls, UHD722, MS600
Vac. Home: G61, HD621, 4xDSP3100, DSP3100HC
MDMS:NUC/ROCK+TrueNAS Core 12.0 ZFS file server