The dashed circle shows the current best distance. As the algorithm finds closer points, the circle shrinks, which causes more subtrees to fail the "could contain a closer point?" test and get pruned. The search usually gets cheaper as it progresses.
人 民 网 版 权 所 有 ，未 经 书 面 授 权 禁 止 使 用，更多细节参见搜狗输入法2026
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We fixed an issue where “Driver Available” notifications were being sent for drivers that were already installed. And we’ve improved the reliability of remembering Bluetooth state between sessions. And “Wacom” settings has been renamed to “Pen & Drawing” since it also provides settings for internal digitizers in devices like StarLab’s StarLite.