stockfish - Why do Engines show a fraction for the Depth and Current Node values? - Chess Stack Exchange

Forgive me if this has been asked elsewhere, but I've both Googled and searched here at CSE and cannot find an answer. When I'm using an Engine for analysis (in this case, Stockfish 15), I've noticed

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Why does Stockfish give 2 slightly different evaluations and lines at the same depth and in the exact same position depending on how the position was reached? : r/chess

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