Many professional editors consider the last version before Adobe began aggressively pushing cloud-only features and interface redesigns. It remains a beloved release for its balance of innovation and performance stability (after the first few patches, e.g., 13.1).
Under the hood, the 2019 version brought hardware-accelerated decoding for H.264 and HEVC on Windows 10 and macOS. This resulted in much smoother playback for highly compressed footage, which was becoming the standard for mirrorless cameras and smartphones. Additionally, it introduced "InfiniLine" support for high-performance storage, ensuring that professional studios could handle massive 4K and 8K raw files with less lag. Essential Graphics Enhancements adobe premiere 2019