It is likely that during these last days, you have seen how the number of apps that have been updated it has been higher than usual, especially in applications that have not received the attention of the developer for a long time. These updates do not correct errors, they are updates that Apple itself is making of the older applications.
What Apple is doing with these applications is to update all those applications that use an old App Store signing certificate so that in the next iOS update that Apple plans to launch, iOS and iPadOS 14.5, they can work correctly. Before proceeding to update the signing certificate to the most updated one, Apple has sent an email to the developers informing them of the process.
https://twitter.com/stroughtonsmith/status/1381771866080219139
A process, which does not require developer intervention, since it is Apple itself who is responsible for doing it. All those applications that Apple is updating the signing certificate, show the following text in the description of the update:
Apple has updated this app to use the latest Apple signing certificate.
This change only affects applications that have been updated in no time several years, so they have an outdated signing certificate. The last time Apple did a similar process was in July of last year.
It seems that Apple is not for the work of entrust this task to the developers, and you have opted for the fast track, as otherwise when iOS and iPadOS 14.5 are released, if the app has been updated the certificate, it will not work.
Currently, we are in the 14.5th beta of iOS and iPadOS XNUMX, so hopefully this same week the definitive version is launched that includes a large number of news that you can see this video.