Presonus Studio One 5 Professional V5.5.1 [win] Online

Studio One 5 Version History Overview - Release Notes - Scribd

Precision gain control is available on the Project Page, allowing you to fix volume issues before they hit your dynamics plugins. PreSonus Studio One 5 Professional v5.5.1 [WiN]

PreSonus Studio One 5 Professional is optimized for modern 64-bit systems. Studio One 5 Version History Overview - Release

For the first time, users can automate track parameters and plugin inserts directly in the mastering environment. PreSonus Studio One 5 Professional v5.5.1 [WiN]

Export songs to multiple file formats (WAV, MP3, FLAC, Opus) in a single pass with loudness targeting for streaming services.

Version 5.5.1 is primarily a maintenance and refinement update following the massive 5.5 release.