Previous Versions
Here you can find the changelog of Sessions: Plug-In Host since it was posted on our website on 2025-07-22 12:13:35.
The latest version is 8.1 and it was updated on 2026-06-10 20:32:03. See below the changes in each version.
Sessions: Plug-In Host version 8.1
Updated At: 2026-06-10
Changes: Version History Sessions 8.1 fixes an issue on macOS where keyboard shortcuts could stop working after dragging a Plug-in to the Mixer.
Sessions will never interrupt you to ask for a review - we don’t like being interrupted either! However, App Store ratings and reviews are important, so if you are enjoying Sessions and have a spare minute, we’d be delighted if you could leave a rating or review on the App Store. Thanks! 8.1 Apr 28 Sessions 8.0 introduces Backing Tracks.
Use pre-recorded backing tracks, stems and loops in your live performances. With Backing Tracks you can play an individual audio file or a set of stem files, each with its own volume control. Tracks can be independently set to play once or loop indefinitely and can be routed into the Scene Mixer for further processing.
We’ve also refreshed the Toolbar in Sessions 8.0. The central display now shows the current position in either bars & beats or elapsed time. Toolbar buttons include Play / Stop, Rewind, Metronome Mute / Unmute and a new Panic button that mutes the output and kills any hanging MIDI notes.
Please note that Projects saved with Sessions 8.0 are not compatible with previous versions of the app.
Sessions will never interrupt you to ask for a review - we don’t like being interrupted either! However, App Store ratings and reviews are important, so if you are enjoying Sessions and have a spare minute, we’d be delighted if you could leave a rating or review on the App Store. Thanks! 8.0 Apr 23 Sessions 7.0 introduces support for Plug-in Side Chains.
Many Plug-ins, such as vocoders and compressors, feature a Side Chain input which allows them to ‘listen’ to an audio signal to control some aspect of their internal behaviour.
Sessions 7.0 adds a Side Chain picker to the Plug-in Widget menu. From here, you can select which Channel Strip output you want to connect to the Side Chain input of the Plug-in.
Sessions will never interrupt you to ask for a review - we don’t like being interrupted either! However, App Store ratings and reviews are important, so if you are enjoying Sessions and have a spare minute, we’d be delighted if you could leave a rating or review on the App Store. Thanks! 7.0 Apr 2 Sessions 6.2 improves the timing accuracy when syncing to an external MIDI clock.
Sessions will never interrupt you to ask for a review - we don’t like being interrupted either! However, App Store ratings and reviews are important, so if you are enjoying Sessions and have a spare minute, we’d be delighted if you could leave a rating or review on the App Store. Thanks! 6.2 Mar 13 Sessions 6.1 updates the Audio Engine Settings to account for the new CPU core types introduced with Apple’s M5 family of chips.
Sessions will never interrupt you to ask for a review - we don’t like being interrupted either! However, App Store ratings and reviews are important, so if you are enjoying Sessions and have a spare minute, we’d be delighted if you could leave a rating or review on the App Store. Thanks! 6.1 Mar 8 Sessions 6.0 introduces automatic Plug-in Latency Compensation.
Some Plug-ins introduce small timing delays, known as latency, when processing audio. This causes audio from some Channel Strips to be slightly out of alignment with others. Plug-in Latency Compensation automatically corrects for this misalignment by delaying the output of low latency Channel Strips to match those with a higher latency.
Plug-in Latency Compensation can be enabled and disabled in the Audio tab in Settings where the amount of correction currently being applied is also displayed. To help find Plug-ins that may be introducing latency, an info button is provided that displays the latency reported by all Plug-ins in the current Session.
It is widely accepted that for live performance it is desirable to reduce latency as much as possible. Although Plug-in Latency Compensation can increase latency on some Channel Strips, it only does so to match the latency already present in other Channel Strips that contain Plug-ins that report non-zero latency. A Session that contains only zero-latency Plug-ins will have the same overheads and latency irrespective of the Plug-in Latency Compensation setting.
Plug-in Latency Compensation is enabled by default and we recommend it remains enabled to ensure correct alignment of audio throughout the system.
Sessions will never interrupt you to ask for a review - we don’t like being interrupted either! However, App Store ratings and reviews are important, so if you are enjoying Sessions and have a spare minute, we’d be delighted if you could leave a rating or review on the App Store. Thanks! 6.0 Feb 26 Sessions 5.4 includes the following improvements:
* Fixes an issue where some plug-ins could generate continuous noise when switching Scenes.
* The metronome volume slider now works as expected.
Sessions will never interrupt you to ask for a review - we don’t like being interrupted either! However, App Store ratings and reviews are important, so if you are enjoying Sessions and have a spare minute, we’d be delighted if you could leave a rating or review on the App Store. Thanks! 5.4 Feb 2 Sessions 5.3 includes the following improvements:
* Adds an external MIDI mapping for the master output volume.
* Fixes an issue that could result in incorrect audio data being written to a file when exported from the Always-On Recorder.
Sessions will never interrupt you to ask for a review - we don’t like being interrupted either! However, App Store ratings and reviews are important, so if you are enjoying Sessions and have a spare minute, we’d be delighted if you could leave a rating or review on the App Store. Thanks! 5.3 Jan 24 Sessions 5.2 includes the following improvements:
* Adds error handling for plug-ins that become invalidated or cause the AUHostingService to crash
* Improves Widget control interaction to reduce unintended drag operations
* Fixes the Settings view toolbar layout on macOS 26.2
Sessions will never interrupt you to ask for a review - we don’t like being interrupted either! However, App Store ratings and reviews are important, so if you are enjoying Sessions and have a spare minute, we’d be delighted if you could leave a rating or review on the App Store. Thanks! 5.2 12/17/2025 Sessions 5.1 works around an issue where some plug-ins were incorrectly obtaining the host sample rate from an inactive input bus format.
Sessions will never interrupt you to ask for a review - we don’t like being interrupted either! However, App Store ratings and reviews are important, so if you are enjoying Sessions and have a spare minute, we’d be delighted if you could leave a rating or review on the App Store. Thanks! 5.1 11/01/2025 Sessions 5.0 introduces two new features - Session Mix and Pinned Scenes - that work together to unlock a whole new way to perform live with Sessions.
Session Mix is a new view that provides a bird’s eye view of your entire session. Your 12 Scenes are arranged in a grid with colourful, easy-to-see and easy-to-reach buttons. Designed to be simple and intuitive to use while playing live, Session Mix lets you control all 12 Scene output levels and seamlessly switch Scenes without any other distractions.
Session Mix also includes Pinned Scenes that enables you to activate and deactivate additional Scenes alongside the currently selected Scene. This opens the door to new possibilities such as always-on Scenes and delivers the flexibility to treat Scenes as layers that can be seamlessly blended in and out during a live performance.
We’ve also added new external MIDI mappings so you can pin / unpin Scenes and adjust individual Scene output levels from your MIDI controller.
Sessions 5.0 also includes the following new features and improvements:
* Adds an optional Scene name that will be displayed instead of the Scene icon
* Improves interaction with gain controls for more accuracy - clicking (or tapping) either side of the knob position adjusts the gain in small steps. Double clicking (or tapping) the knob, resets the gain to 0dB
* When adjusting gain from the Macros or MIDI, the dB value is temporarily displayed
* The screen will no longer go to sleep when Sessions is the frontmost app [Mac]
* Improves error handling for plug-ins that are not compatible with the current audio settings
* Fixes an issue with hung notes from certain MIDI controllers when switching Scenes
* Fixes an issue that prevented renamed Widget parameters updating on macOS 26 and iPadOS 26
* Fixes an issue that could cause Sessions to quit unexpectedly when opening Settings with certain hardware combinations
Sessions will never interrupt you to ask for a review - we don’t like being interrupted either! However, App Store ratings and reviews are important, so if you are enjoying Sessions and have a spare minute, we’d be delighted if you could leave a rating or review on the App Store. Thanks! 5.0 10/30/2025 Sessions 4.1 includes the following improvements:
* Fixes an issue that prevented Scene icons from being selected on macOS 26 and iPadOS 26
* Fixes an issue that could prevent plug-ins producing audio
* Fixes an issue that could prevent plug-in views initializing correctly
* Fixes an issue that reloaded all plug-ins twice after the sample rate of an aggregate device was changed [Mac]
Sessions will never interrupt you to ask for a review - we don’t like being interrupted either! However, App Store ratings and reviews are important, so if you are enjoying Sessions and have a spare minute, we’d be delighted if you could leave a rating or review on the App Store. Thanks! 4.1 10/09/2025 Sessions 4.0 introduces a new multi-threaded audio engine that spreads the audio processing load over multiple CPU cores. The new engine delivers a huge increase in real-time audio performance so you can add even more Channel Strips and Plug-ins to your projects.
In addition to the new audio engine, Sessions 4.0 includes the following new features and improvements:
* Adds an optional CPU meter to the toolbar
* Adds a setting to control of the maximum number of threads available to the new audio engine
* Adds more flexibility when selecting and combining Output and Input Devices [Mac]
* Adds compatibility with Aggregate Devices created using Audio MIDI Setup [Mac]
* Adds compatibility with mono plug-ins
* Moved Metronome and Display options into a new General tab in Settings
* Fixes an issue where the mute button did not silence pre fader sends
* Fixes an issue where audio input channels that should have contained audio data were silent
* Fixes an issue where plug-ins could fail to load if the the app was backgrounded [iPad]
* Fixes an issue where restoration of the previous app state could fail after restarting [iPad]
Sessions will never interrupt you to ask for a review - we don’t like being interrupted either! However, App Store ratings and reviews are important, so if you are enjoying Sessions and have a spare minute, we’d be delighted if you could leave a rating or review on the App Store. Thanks! 4.0 09/25/2025 Sessions 3.5 includes the following improvements:
* Fixes an issue with logarithmically scaled plug-in parameters that could cause Sessions to quit unexpectedly in certain circumstances
* Improves the accuracy of displayed parameter values when adjusting Widget controls
Sessions will never interrupt you to ask for a review - we don’t like being interrupted either! However, App Store ratings and reviews are important, so if you are enjoying Sessions and have a spare minute, we’d be delighted if you could leave a rating or review on the App Store. Thanks! 3.5 09/01/2025 Sessions 3.4 includes the following improvements:
* Fixes an issue which could result in the output volume being louder than expected in certain circumstances
Sessions will never interrupt you to ask for a review - we don’t like being interrupted either! However, App Store ratings and reviews are important, so if you are enjoying Sessions and have a spare minute, we’d be delighted if you could leave a rating or review on the App Store. Thanks! 3.4 08/22/2025 Sessions 3.3 includes the following improvements:
* Fixes a very rare crash when starting playback in the Always-On Recorder
Sessions will never interrupt you to ask for a review - we don’t like being interrupted either! However, App Store ratings and reviews are important, so if you are enjoying Sessions and have a spare minute, we’d be delighted if you could leave a rating or review on the App Store. Thanks! 3.3 08/19/2025 Sessions 3.2 includes the following improvements:
* Sessions for iPad can now run in the background while using other apps. This behaviour can be selected using a new ‘Run in Background’ option in Audio Settings.
* Sessions for iPad will no longer interrupt audio from other apps when it becomes the foreground app.
Sessions will never interrupt you to ask for a review - we don’t like being interrupted either! However, App Store ratings and reviews are important, so if you are enjoying Sessions and have a spare minute, we’d be delighted if you could leave a rating or review on the App Store. Thanks! 3.2 08/01/2025 Sessions 3.1 includes the following improvements to Sessions for iPad:
* Support for Bluetooth headphones
* A menu for adding the current Scene to the Patch Library
* Several small changes to help clarify the difference between Projects and Patches
* Fixes a potential issue where the app state was not restored correctly
Sessions will never interrupt you to ask for a review - we don’t like being interrupted either! However, App Store ratings and reviews are important, so if you are enjoying Sessions and have a spare minute, we’d be delighted if you could leave a rating or review on the App Store. Thanks! 3.1 07/30/2025 3.0 07/21/2025
Sessions: Plug-In Host version 6.2
Updated At: 2026-03-13
Changes: Sessions 6.2 improves the timing accuracy when syncing to an external MIDI clock.
Sessions will never interrupt you to ask for a review - we don’t like being interrupted either! However, App Store ratings and reviews are important, so if you are enjoying Sessions and have a spare minute, we’d be delighted if you could leave a rating or review on the App Store. Thanks!
Sessions: Plug-In Host version 5.4
Updated At: 2026-02-02
Changes: Sessions 5.4 includes the following improvements:
* Fixes an issue where some plug-ins could generate continuous noise when switching Scenes.
* The metronome volume slider now works as expected.
Sessions will never interrupt you to ask for a review - we don’t like being interrupted either! However, App Store ratings and reviews are important, so if you are enjoying Sessions and have a spare minute, we’d be delighted if you could leave a rating or review on the App Store. Thanks!
Sessions: Plug-In Host version 5.1
Updated At: 2025-11-01
Changes: Nov 1, 2025
Version 5.1
Sessions 5.1 works around an issue where some plug-ins were incorrectly obtaining the host sample rate from an inactive input bus format.
Sessions will never interrupt you to ask for a review - we don’t like being interrupted either! However, App Store ratings and reviews are important, so if you are enjoying Sessions and have a spare minute, we’d be delighted if you could leave a rating or review on the App Store. Thanks!
Sessions: Plug-In Host version 4.1
Updated At: 2025-10-09
Changes: Oct 9, 2025
Version 4.1
Sessions 4.1 includes the following improvements:
* Fixes an issue that prevented Scene icons from being selected on macOS 26 and iPadOS 26
* Fixes an issue that could prevent plug-ins producing audio
* Fixes an issue that could prevent plug-in views initializing correctly
* Fixes an issue that reloaded all plug-ins twice after the sample rate of an aggregate device was changed [Mac]
Sessions will never interrupt you to ask for a review - we don’t like being interrupted either! However, App Store ratings and reviews are important, so if you are enjoying Sessions and have a spare minute, we’d be delighted if you could leave a rating or review on the App Store. Thanks!
Sessions: Plug-In Host version 4.0
Updated At: 2025-09-25
Changes: Sep 25, 2025
Version 4.0
Sessions 4.0 introduces a new multi-threaded audio engine that spreads the audio processing load over multiple CPU cores. The new engine delivers a huge increase in real-time audio performance so you can add even more Channel Strips and Plug-ins to your projects.
In addition to the new audio engine, Sessions 4.0 includes the following new features and improvements:
* Adds an optional CPU meter to the toolbar
* Adds a setting to control of the maximum number of threads available to the new audio engine
* Adds more flexibility when selecting and combining Output and Input Devices [Mac]
* Adds compatibility with Aggregate Devices created using Audio MIDI Setup [Mac]
* Adds compatibility with mono plug-ins
* Moved Metronome and Display options into a new General tab in Settings
* Fixes an issue where the mute button did not silence pre fader sends
* Fixes an issue where audio input channels that should have contained audio data were silent
* Fixes an issue where plug-ins could fail to load if the the app was backgrounded [iPad]
* Fixes an issue where restoration of the previous app state could fail after restarting [iPad]
Sessions will never interrupt you to ask for a review - we don’t like being interrupted either! However, App Store ratings and reviews are important, so if you are enjoying Sessions and have a spare minute, we’d be delighted if you could leave a rating or review on the App Store. Thanks!
Sessions: Plug-In Host version 3.5
Updated At: 2025-09-01
Changes: Sep 1, 2025
Version 3.5
Sessions 3.5 includes the following improvements:
* Fixes an issue with logarithmically scaled plug-in parameters that could cause Sessions to quit unexpectedly in certain circumstances
* Improves the accuracy of displayed parameter values when adjusting Widget controls
Sessions will never interrupt you to ask for a review - we don’t like being interrupted either! However, App Store ratings and reviews are important, so if you are enjoying Sessions and have a spare minute, we’d be delighted if you could leave a rating or review on the App Store. Thanks!
Sessions: Plug-In Host version 3.3
Updated At: 2025-08-19
Changes: Aug 19, 2025
Version 3.3
Sessions 3.3 includes the following improvements:
* Fixes a very rare crash when starting playback in the Always-On Recorder
Sessions will never interrupt you to ask for a review - we don’t like being interrupted either! However, App Store ratings and reviews are important, so if you are enjoying Sessions and have a spare minute, we’d be delighted if you could leave a rating or review on the App Store. Thanks!
Sessions: Plug-In Host version 3.2
Updated At: 2025-08-01
Changes: Aug 1, 2025
Version 3.2
Sessions 3.2 includes the following improvements:
* Sessions for iPad can now run in the background while using other apps. This behaviour can be selected using a new ‘Run in Background’ option in Audio Settings.
* Sessions for iPad will no longer interrupt audio from other apps when it becomes the foreground app.
Sessions will never interrupt you to ask for a review - we don’t like being interrupted either! However, App Store ratings and reviews are important, so if you are enjoying Sessions and have a spare minute, we’d be delighted if you could leave a rating or review on the App Store. Thanks!
Sessions: Plug-In Host version 3.0
Updated At: 2025-07-21
Changes: Jul 21, 2025
Version 3.0
Highlights of the Sessions 3.0 release include:
* Sessions is now available for iPad.
* Project files have replaced Performances.
* Improvements to Widgets
Sessions is now available as a universal app for Mac and iPad. Existing Mac customers can download Sessions on their iPad with no additional purchase required.
In previous versions of Sessions read-only snapshots of all 12 Scenes could be saved as Performances. Performances were built-in to and managed by the app. In Sessions 3.0, the entire Performance system has been replaced with a more flexible Project file based workflow. The File menu has familiar New, Open, Open Recent, Save and Save As functions as well as Revert to Saved and Show in Finder options.
AN IMPORTANT NOTE ABOUT YOUR EXISTING PERFORMANCES: Existing Performances must be migrated to the new Project file format before they can be used. Sessions 3.0 includes a Performance Migrator in the File > Open Recent menu. When selected, this will show a list of all the Performances that have been saved. Pressing the Migrate button will begin the conversion which should only take a few seconds. On completion, converted Performances can be found in Finder in ~/Music/Sessions/Projects/Migrated Performances.
The Patch Library has also moved to the file system to make it easier to backup and share patches. Patches can be found ~/Music/Sessions/Patches.
Sessions 3.0 includes several improvements to Widgets. Each widget now has a header containing buttons for showing its contextual menu, opening a plug-in’s UI and bypassing an effect. When an effect is bypassed it is now more clearly indicated. It is now possible to save an empty Widget Layout as the default for a Plug-in.
Sessions 3.0 also includes the following fixes and improvements:
* Bypass is now available for all effect plug-ins.
* Fixes a potential performance problem with Sends that do not have a destination set.
* Incompatible Plug-ins that support only mono connections will no longer cause Sessions to crash.
Sessions will never interrupt you to ask for a review - we don’t like being interrupted either! However, App Store ratings and reviews are important, so if you are enjoying Sessions and have a spare minute, we’d be delighted if you could leave a rating or review on the App Store. Thanks!
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