Thanks! I was able to figure it out eventually, so I'll write it down here for myself and anyone else who might run across this post:
* I cloned this repo: github.com/indilib/indi-3rdparty
* I'm using INDI 1.9.6, so I found the commit that corresponded to that tag (github.com/indilib/indi-3rdparty/releases/tag/v1.9.6) and checked that out (

git checkout c9f706d

cmake -S<source code directory> -B<build output directory>

sudo make install

I assume that involves downloading the source and running some build command. Can you help me out with how to do those things? I'm a developer, but I don't use Linux.

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I just got a QHY 168C and it was kind of working for awhile and then I somehow crashed the driver and couldn't get it to restart. I tried upgrading the driver, which appeared to make things worse.

Output of indi_qhy_ccd:

symbol lookup error: indi_qhy_ccd: undefined symbol: _ZN4INDI3CCD16SetCaptureFormatEh

astroberry@astroberry:~ $ sudo apt-cache madison indi-qhy libqhy
  indi-qhy |     2.7-13 | https://www.astroberry.io/repo buster/main armhf Packages
    libqhy |    22.5.11 | https://www.astroberry.io/repo buster/main armhf Packages

I love this feature on PHD2 - I've found it very helpful for when clouds roll in or my target starts to dip behind my house.

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When storing files locally, downloading takes about 15 seconds and only after that has completed does dithering begin, which takes another 30 seconds. It would be a great time savings if these two things could be done in parallel.

Note: This is not super high priority for me since I have now swapped to remote storage, but saving time between frames is a great way to increase integration time.

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