Revel Software Corp., a startup developing software to help engineers test complex physical systems like jet engines and space launch vehicles faster, has raised $150 million in a Series B funding round. The investment was led by Index Ventures, with contributions from Redpoint Ventures, Thrive Capital, Felicis, Abstract Ventures, and angel investor Dylan Field (Figma CEO). Revel's tools automate test data collection and streamline the testing workflow, significantly reducing development time.