Note that there were some recent improvements in the CPUSE DA JHF installation.
In the past, installing a new JHF involved uninstalling the current JHF in the background. This had several drawbacks such as extra time to perform the uninstall and potentially going back to the vanilla GA if the new JHF failed to install.
Another drawback was that if you installed an private / specific HF that depended on a certain JHF build, we couldn't uninstall the existing JHF in order to install the new one. That was the case even if the private HF fix was included in the next JHF. The customer still had to manually uninstall the private HF to allow the JHF installation to proceed.
In the new mechanism, the next JHF is installed on top of the existing JHF without uninstalling it. This means that if a private HF fix is included in the next JHF, you don't need to uninstall it manually anymore. We will recognize the situation and let you proceed. Also, uninstalling a JHF will bring you back to the JHF you had before, instead of to the clean vanilla state.
This was great work by @Tsahi_Etziony and @Lior_Manor .
The DA is auto-updatable, so everyone should get it automatically (assuming they didn't turn off the auto-update).