V‑Spark 2.2.4 was a maintenance release that was given to customers to improve audio handling and to resolve a few problems:

1. (new) Added browser support for Internet Explorer

2. (new) Application configuration files can be uploaded and downloaded for custom applications

3. Enabled upload of metadata filters in application configuration files

4. Emotion-based searches after application reprocessing

5. Improved audio playback

6. Improved password reset notification

7. Improved Trending

8. Increased efficiency of Elasticsearch operations

9. Increased API data flow efficiency