No. Official support and security patches ended in early 2024. They focus on the 8.x branch. However, for a launcher, "support" is less critical because it doesn't handle network calls.
To ensure you have a verified and safe APK for version 7.0.58: Nova Launcher for Android - Download the APK from Uptodown nova launcher prime 70 58 apk verified
Download the verified APK file from a trusted, community-vetted source. for a launcher