Apple has issued another update for Logic Pro X, adding a Smart Tempo feature to combine content regardless of original tempo, as well as a host of new Plug-Ins, more content including drummers and loops, and assorted bug fixes.

The 10.4 update to Logic Pro X, released on Thursday, features the new Smart Tempo tool as its marquee improvement. The new feature, besides just adding advanced tempo detection and mixing, allows users to record audio without using click or drag in audio to have the performance define project tempo, and allows for adding any audio file and conforming it to the project tempo.

New Plug-Ins include ChromaVerb, Space Designer, Step FX, Phat FX, a Vintage EQ collection, new Studio Strings and Studio Horns, and 18 different filter models for Retro Synth.

Added content includes roots and jazz drummers, two vintage brush kits for Drum Kit Designer, more than 800 new loops in "a variety of instruments and genres" according to Apple. and 150 cinematic presets added to the New Visions library.

New features added are the ability to undo mixer and plug-in actions, bookmarking locations in the Files Browser, and a new universal design for controlling articulations.