In late 2023, Adobe rolled out Hardened DRM (also known as Readium LCP). This broke most free tools. Calibre's DeDRM plugin took months to patch. For users who rent textbooks or library ebooks, this responsiveness is critical. Thundersoft currently handles Hardened DRM 2.0 without requiring users to downgrade ADE to version 2.0 (a common, insecure workaround).
In late 2023, Adobe rolled out Hardened DRM (also known as Readium LCP). This broke most free tools. Calibre's DeDRM plugin took months to patch. For users who rent textbooks or library ebooks, this responsiveness is critical. Thundersoft currently handles Hardened DRM 2.0 without requiring users to downgrade ADE to version 2.0 (a common, insecure workaround).
