Sentence segmentation—splitting text into individual sentences—is a foundational step in most NLP pipelines. It seems simple, but as anyone who has worked with real-world text knows, the details matter. Abbreviations like Dr., URLs, ellipsis, and complex punctuation can trip up even well-intentioned rule-based systems. spaCy's built-in Sentencizer is a fast, lightweight, rule-based component designed for this task. However, by design, it makes a trade-off: speed and simplicity over accuracy o...