In ShellPerfBench, the Opus 5.5 model found shell startup time optimizations that other models missed; this can affect users' .zshrc and other dotfiles and quietly slow down opening the terminal, so it is worth reviewing and optimizing those settings.
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Opus 5.5 highlighted the need to optimize shell startup time
In ShellPerfBench, the Opus 5.5 model found shell startup time optimizations that other models missed; this can affect users' .zshrc and other dotfiles and quietly slow down opening the terminal, so…



