Core Viewpoint - The controversy revolves around the alleged code plagiarism by Meituan's AI browser Tabbit from the open-source project "陪读蛙" (Read Frog), leading to discussions about compliance with the GPL license [2][3][5]. Group 1: Allegations and Responses - Tabbit was accused of using code from the Read Frog project without proper adherence to the GPL license, which requires any derivative work to also be open-sourced [3][5]. - The Tabbit team acknowledged the issue, stating that their research on the open-source protocol was insufficient and that they have since removed the disputed code and made it open-source [2][6]. - The original author of Read Frog confirmed that there was no malicious intent from Tabbit, attributing the issue to a lack of rigorous understanding of the open-source compliance process [6][7]. Group 2: GPL License Implications - The GPL license mandates that any software using its code must also be open-sourced, which is a critical point in the ongoing dispute [5]. - The strong "copyleft" nature of the GPL makes it particularly sensitive for commercial entities, as failure to comply can lead to legal repercussions [5]. Group 3: Product Information - Tabbit, developed by Meituan's team, is an AI browser aimed at enhancing productivity in office and learning environments, recently entering public beta on March 2 [7].