A white Roblox logo with a light blue outer glow and faint drop shadow in front of a bunch of avatar items from the in-game Marketplace launching outward from a bright blue light source. Roblox is ...

At its annual developer conference Thursday, Roblox painted a picture of what’s next for the fast-growing online multiplayer portal that’s like catnip for kids and teens. In his keynote, Roblox ...