April 6, 2026 The Spark Travels to Penn State Harrisburg with Braver Angels: Skills for Disagreeing Better The Spark, hosted by Asia Tabb, will feature a 40‑minute conversation presented in two ...

本文并非官方文档的简单翻译，而是结合多方信息源和实战经验，对 Spark 3 到 Spark 4 的迁移进行一次系统性梳理。我们将从"必须改"、"容易踩坑"、"值得利用"三个维度，帮助你制定一个清晰的迁移路线图。