Sasha Rush announced their final day at Cursor, the AI code editor startup. They joined rapidly after an initial coffee meeting and contributed to the Composer feature. Colleagues including Sebastian Gehrmann, Alex Volkov, Florian Brand, Elie Bakouch, Grace Isford, and Marco Mascorro replied on X with congratulations, praise for the run, and thanks for shared knowledge through posts and a tech report. The visible replies focus on positive reactions to the departure announcement.