Reason 13.5.1 released! – Reason Studios

We're happy to announce the release of Reason 13.5. Reason 13.5 will also be immediately available in the Reason+ subscription.

Improved support for Intel’s Performance Hybrid Architecture on Windows. See this article for more details
Browser defaults to Side Panel in new songs (applicable for new users with no stored preference file)
Speakers/Headphones Output has higher priority as default audio interface than Built-In Microphone in + Speakers/Headphones Output—this is to avoid feedback. This applies to Mac users only.
Reason icon is now fully compatible with the new look offered in macOS 26 (Tahoe)

Fixed an issue where the sample browser in some situations didn’t default to open from the last opened location
Fixed a bug where the browser didn’t properly handle saving/restoring sample slot browser states when cancelling browsing
Side Panel Browser will now remember any selection and search text when closed/opened
Special Windows folders (e.g. the Library/Music folder) are now properly handled by the indexer and no longer causes folder scanning to hang
Fixed an issue where Rack Extension content could disappear from the Browser index when running Reason continuously for more than a week
Fixed an issue where adding Categories/Tags to Patches on an external HD wouldn't appear in the Browser
Optimized search for items displayed in the Tree View. The speed increase should be particularly noticeable when browsing folders with many files in sub-folders
Fixed an issue where the selection was not properly cleared in the browser when in Flat List view and clicking below the item list
Fixed an issue on Windows where Reason could hang quit while indexing

Fixed a bug where song files containing REs with specific stereo routing options (for instance AD 480 Reverb) couldn’t be opened, throwing a “Bad Format” error message
Fixed a bug where the graphics weren’t redrawn correctly when sub-modules in Kong were emptied or bypassed
Rack Extensions may now support auto-routing of CV outputs for note/gate, pitch wheel, and mod wheel. This works if such routing targets are defined by the device (CV outputs with specific signal types and auto route option enabled by the developer)
Fixed a graphics glitch introduced in Reason 13.4 on Windows version that could occur when hovering around the "Browse Patch" button on certain devices

Fixed an issue where muting/un-muting an audio clip in the Sequencer did not update the waveform color correctly
Fixed an issue where small horizontal lines appeared around the “M” and “X” buttons in Sequencer tracks

Fixed a graphical issue where deleting the last Mix Channel in the Mixer only partially removed it
Fixed an issue where graphical glitches appeared between Mix Channels in the Mixer when moving knobs

Improved GUI performance when using high-speed/high-rate pointing devices on Windows (e.g. some gaming mice)
Fixed a bug where dragging the splitters between areas in Reason was lagging on Windows
Fixed an issue where text was cropped in French and German in the Preferences

Fixed a bug where the Reason Rack Plugin window could turn black when dragging it from an internal screen to an external screen with another resolution
Clicking “Browse” button in Top bar will now open the browser instead of going into browse focus for a device, regardless of selection. To browse patches for a specific device, click the Browse button on that device