1. We set a task and formulated a hypothesis.
2. The product designer had a brainstorm with a mini-discovery team that has knowledge of the current implementation of Private Messages: frontend developer, backend developer, designer, QA engineer.
2. The designer formulated a design hypothesis, which we tested on qualitative research.
4. Brought user scripts and made a design.
5. The design passed the quality control of the tech lead and design manager.
6. Submitted the design for development, then for design review and testing.
7. Release.
8. We monitor the indicators and the work of the new functionality.
Result
1. The number of dialogues between users has doubled.
2. The average response time on Android decreased by 2.24 times, on iOS - by 2.2 times.
3. Bonus - slightly increased the share of messages read (+1 percentage point).