According to 9to5google, referring to the developers, Android 14 operating system will tighten the requirements: Google will block the installation of outdated applications by default. In addition, the upcoming change will block users from downloading certain APK files.
Initially, Android 14 devices will only block apps designed for the oldest versions of Android. However, over time it is planned to increase the threshold to Android 6.0 (Marshmallow), while Google may gradually raise the bar.
However, it is also likely that each device manufacturer will decide what threshold for legacy applications should be enabled, and whether it will be enabled at all. If the function is enabled, then it will not be possible to install applications for outdated versions of Android on a specific device.
By blocking these outdated apps, Google intends to curb the spread of malware on Android. The developer responsible for the change confirms that some malicious apps deliberately target older versions of Android to bypass certain protections that only apply to newer apps.
However, as the developer clarifies, if you decide that you need to install an outdated application, it will still be possible to do so.
The release of Android 14 is expected this year.