backend: Integrate fix for ISO value scaling in dataset metadata

software/CHANGELOG.md

@@ -34,8 +34,9 @@ All dates in this file are given in the [UTC time zone](https://en.wikipedia.org
 
 ### Fixed
 
+- (Application: backend) The ISO value stored in dataset metadata now correctly matches the user-set ISO setting, instead of being a constant scaling of the ISO setting (which was calculated according to a camera model-specific scaling factor). This fixes a regression introduced with v2024.0.0-beta.2.
 - (System: networking) `planktoscope.local` and `pkscope.local` should now work on local area networks (i.e. when the PlanktoScope is connected to a router) and not just on direct connections.
-- (Application: GUI) The Node-RED dashboard's sample page's "Dilution Factor" input field has been renamed to "Concentration Factor", which is a less misleading name for what that input field actually represents.
+- (Application: GUI) The Node-RED dashboard's sample page's "Dilution Factor" input field has been renamed to "Concentration Factor", which is a less misleading name for what that input field actually represents. Note that the corresponding metadata field has not been renamed away from `sample_dilution_factor`.
 - (Application) The `/home/pi/data` and `/home/pi/device-backend-logs` are now created with non-`root` user ownership, so that their contents can be managed via an SFTP/SCP connection as the `pi` user. This fixes a regression introduced with v2023.9.0-beta.0.
 - (System) The system time is now correctly persisted on the filesystem (in `/etc/fake-hwclock.data`) in a way that the system time should no longer reset back to a previous time in the past between reboots.
 - (System) Machine name generation now falls back to the `en_US.UTF-8`-based naming scheme when the OS is set to a non-default locale (i.e. anything other than `en_US.UTF-8`), instead of failing and falling back to `unknown`.

software/distro/setup/planktoscope-app-env/python-hardware-controller/backend-version

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