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Add an optional desynchronized mode to 2D canvas Developers of stylus-based drawing applications (e.g., Google Keep) have found this hint to be critical in order to be competitive with native applications. It has been prototyped in Chromium and yields significant latency improvements there. Tests: will be added as part of Supersedes #4234. Partial fix for #4087. Co-authored-by: Miguel Casas-Sanchez <>

Miguel Casas-Sanchez