Team Fortress 2 is a free-to-play multiplayer shooter that has maintained an active playerbase since its 2007 release across PC, macOS, and Linux. The game revolves around class-based team combat, with players choosing from nine distinct character roles.
Development activity remains ongoing despite a lengthy gap between major updates. Valve recently addressed community concerns about the Mann vs Machine update announced last year, acknowledging that the new content and associated changes have taken considerably longer to implement than initially expected. A recent patch was released, though specifics on its contents weren't detailed in available coverage.
via PC Gamer
"It's taking a lot longer to sort through the new content and changes than we'd originally anticipated."