As of June 21, 2022, ZOOM product compatibility with iOS 15 is as follows.

For information on support for iPadOS 15, please check here.

Yes: Compatible

iOS Microphones
iQ6: Yes
iQ7: Yes

Field Recorders
F8n Pro: Yes
F8n: Yes
F6: Yes
F4 (Discontinued): Yes
F3: Yes
F2-BT: Yes
F1: Yes

Handy Recorders
H8: Yes
H6: Yes
H5: Yes
H3-VR: Yes
H2n: Yes
H1n: Yes

Handy Video Recorders
Q8n-4K: Yes
Q8: Yes
Q2n-4K: Yes
Q2n (Discontinued): Yes
Q4n (Discontinued): Yes

Audio Interfaces
UAC-8: Yes
UAC-2: Yes
U-44: Yes
U-24: Yes
U-22: Yes
AMS-44: Yes
AMS-24: Yes
AMS-22: Yes

PodTrak Recorders
P8: Yes
P4: Yes

Digital Mixers
L-20R: Yes
L-20: Yes
L-12: Yes
L-8: Yes

Multi-Track Recorders
R20: Yes

Guitar Effects Pedals
G11: Yes (Please use the latest G11 firmware.)
G6: Yes

Bass Effects Pedals
B6: Yes

Vocal Processors
V6: Yes
V3: Yes

iOS Applications
F6 Control: Yes
Handy Recorder: Yes
Handy Recorder Pro: Yes
F8 Control: Yes
H3 Control: Yes
Handy Guitar Lab for G11: Yes
Handy Guitar Lab for G6: Yes
F2 Control: Yes
H8 Control: Yes