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v0.1.0 experimental - hidden/visible redraw probe
Pre-release
Diagnostic experiment for Windows on ARM / RTX Spark.
Initial user result: hidden mode did not eliminate the reported flicker. This is not a verified workaround. The real host window was hidden and JavaScript rAF continued at about 60 callbacks/s; those counters are not physical screen-refresh measurements.
Download and extract the complete win-x64 ZIP. Run Start hidden.vbs for hidden mode, or SparkRefreshLab.exe for the initially stopped control window. Stop/exit from the tray menu. This x64 host was tested on the affected ARM64 system; it is not a native ARM64 build. No autostart or system/driver-setting changes.
Finite no-paint self-test verified actual hidden/visible states, stopping and browser-process exit. A separate user comparison of this executable in visible/covered modes has not been performed.
Reproduction and limitations · First hidden-mode result
ZIP SHA256: ae482f478236d12a3d9180ff511ba289a4d1fd9b46ee7707415c75697e3af039
EXE SHA256: 6c173604d62200a7866e42a61426afb1a5c27c75cafe82d11f2e3ac5a0b8e9cc