Group 1 - The 2024 China Open Source Development Deep Report highlights significant breakthroughs and ecological development in five major domestic open-source operating systems, including OpenHarmony, openEuler, openKylin, OpenAnolis, and OpenCloudOS [1] - Domestic manufacturers are accelerating the optimization of technology, product promotion, and ecological layout of self-developed open-source operating systems, leading to a notable acceleration in the domestic substitution process and unprecedented growth in application scale [1] - OpenHarmony, incubated and operated by the OpenAtom Open Source Foundation, aims to create a root community for open-source operating systems for smart terminals, with over 70 co-construction units and 395 ecological partners by the end of 2024, and more than 8,100 active code contributors [1] Group 2 - In the AI sector, leading domestic companies are making significant strides in open-source AI, with Alibaba's Qwen series model representing a major breakthrough for Chinese enterprises [2] - The total global open-source contributions surpassed 700 million for the first time in 2024, with the US, India, and China being the top three contributors, accounting for 200 million contributions [2] - China leads the world in the number of active open-source developers, reaching 2.2729 million in 2024, while India ranks second with 1.9850 million active developers [2]