: Version 12.1 introduced hardware-based encoding and decoding for H.264 and HEVC, resulting in faster rendering and smoother playback .
: The Essential Graphics Panel introduced "Time" and "Position" responsive design, which pins animations to the beginning or end of clips so they scale automatically when the clip duration changes. adobe-premiere-pro-cc-2018-v12-1
: This version added native support for ARRI Alexa LF , Sony Venice v2 , and HEIF (HEIC) formats used by newer iPhones. Performance and Compatibility : Version 12