I was reading a recent Qt blog post titled “Qt offering changes 2020” which might impact some Slicer development.
From February onward, everyone, including open-source Qt users, will require valid Qt accounts to download Qt binary packages.
Starting with Qt 5.15, long term support (LTS) will only be available to commercial customers. This means open-source users will receive patch-level releases of 5.15 until the next minor release will become available.
The offline installer will also become commercial-only.
The fact that LTS support won’t be a thing for open-source users, it looks like we will have 6 months of bug fixes as they typically release a new minor version on that timeline. Then we will have to update to use the latest minor version if we want the latest bug fixes.