Which version of MRAID was released in 2012?

The correct version of MRAID that was released in 2012 is Version 1.0. MRAID, which stands for the Mobile Rich Media Ad Interface Definitions, is a standard developed by the Interactive Advertising Bureau (IAB) to facilitate the interaction between mobile rich media ads and mobile apps. The initial version established guidelines for how mobile rich media ads should be created, ensuring compatibility and a consistent experience across different mobile platforms.

Given the context of your question, the other versions mentioned were released in subsequent years, with Version 2.0 debuting in later years to build upon the framework established by Version 1.0, offering more features and capabilities. Likewise, Version 3.0 and Version 4.0 followed as further enhancements to the original framework, incorporating newer technologies and addressing evolving industry needs. Therefore, recognizing that MRAID Version 1.0 represents the foundational release in 2012 is essential for understanding the evolution of mobile advertising standards.