I have downloaded Raspbian Stretch with desktop released on April 08, 2019. HAT mics work with the default OS without issue but as soon as I perform the update by sudo apt-get update, mic stop working. Its not even detecting the device for arecord. Any help is appreciated.
I use the 2019-04-08 image and test with 2 mics well. if you can not get the mics work, you can de-install the driver and install it back. thanks.
</s>pi@raspberrypi:~ $ arecord -l
**** List of CAPTURE Hardware Devices ****
card 1: seeed2micvoicec [seeed-2mic-voicecard], device 0: bcm2835-i2s-wm8960-hifi wm8960-hifi-0 
Subdevice #0: subdevice #0
pi@raspberrypi:~ $ uname -a
Linux raspberrypi 4.14.98-v7+ #1200 SMP Tue Feb 12 20:27:48 GMT 2019 armv7l GNU/Linux
</s>pi@raspberrypi:~/seeed-voicecard $ sudo ./uninstall.sh
pi@raspberrypi:~/seeed-voicecard $ sudo ./install.sh