腾讯：鸿蒙架构特殊，微信适配必须从零重写代码

Core Viewpoint - The article discusses the challenges and progress of developing the WeChat version for the HarmonyOS, emphasizing the need to rebuild the application from scratch due to the unique architecture of the HarmonyOS [2][3]. Group 1: Development Challenges - The WeChat HarmonyOS version cannot directly migrate existing features due to the special architecture of the HarmonyOS, requiring a complete rewrite from the ground up [3][4]. - The historical codebase of WeChat, which has accumulated over more than a decade, complicates the development process as it lacks sufficient documentation, making it difficult for developers to understand and modify the existing code [5]. - The instability and rapid iteration of the HarmonyOS, including frequent changes to API interfaces, further hinder the development progress, necessitating additional efforts to adapt to these changes [6][7]. Group 2: Development Experience - The podcast features insights from the WeChat HarmonyOS development team, discussing their experiences and the rationale behind creating a new version of WeChat for HarmonyOS [10][12]. - The team highlights the necessity of rebuilding core functionalities, such as chat and Moments, which are perceived as basic but require significant effort to reconstruct [16]. - The collaboration between the WeChat team and Huawei's team is described as high-frequency and efficient, addressing the challenges faced during the migration process [16].