A lot of changes are coming to Android 14 when it is fully launched. We got a tip from the code listed that Google will set stricter measures when it comes to outdated apps being installed on newer devices.
With Android 14, you won’t be able to side-load old Android apps. Others are reporting that side-loading Android apps on Android 14 will require a high technical skill using a command shell.
By blocking these outdated apps, Google intends to curb the spread of malware apps on Android. The developer responsible for the change notes that some malware apps have intentionally targeted older versions of Android to bypass certain protections only enforced on newer apps.
It also noted that Good play will still allow you to install older apps on your phone that you already installed in the past.