How Dora Avoids Installing the Wrong UpdateAugust 16, 2026 · 3 min readLi JinDora SSR developerSelf-update sounds like three operations: compare versions, download an archive, and replace the old files. In practice, a version number says only what release we intend to install. It does not prove who published the download, whether its bytes are correct, or whether the previous application will survive an interrupted update. Dora SSR separates those questions into explicit verification gates.