Today, the Information System Authority (RIA) released a new version of the ID-card software for Windows, macOS, and Linux operating systems, resolving the issue that arose on 6 August 2020, wherein the Russian version of the DigiDoc4 client encountered errors when attempting to sign with Mobile-ID.
The newest version of the DigiDoc4 client can be downloaded here. Users of macOS can find the DigiDoc4 Client application from the App Store.