Change History

**Table 1** Change history
Released On	Description
2025-12-10	Optimized the experience in some weak network scenarios and updated the SDK version to 2.11.5.
2025-06-30	Brought the 2.6.3 and 2.6.9 versions offline based on the one-year maintenance cycle requirement for the web SDK. If any problem occurs during your usage, upgrade to the latest version.
2025-02-17	1. Event notifications of playback exceptions were optimized and more sample codes were added. 2. Automatic downgrade policies were optimized. 3. The downgrade logic was optimized. The independent FLV and HLS players are no longer supported. Old documents were moved to Appendixes. 4. Two items were added in FAQs.
2024-12-02	Updates of the LLL web SDK: Automatic downgrade and specified downgrade are supported. Audio can be played in the background on mobile devices. Device compatibility issues were resolved. Multi-instance video tag ID is supported.
2024-11-12	Best Practices and related Sample Code were added.
2024-09-30	This issue is the first official release.