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• Refinements to the mix engine providing less CPU usage, and more resistance to plug-ins that generate
denormals or NANs.
• Renaming a Marker will now mark the session as “dirty” and allow saving.
IMPROVEMENTS:
• Polarity (phase) buttons on the top of every mixer strip.
• Plug-ins, sends, inserts and the fader now appear in a single redirect box at the top of the mixer strip. This
allows easier signal reordering and allows more space for Mixbus controls.
• Some controls that were hidden in popup display are now shown on mixer. Master Limiter controls are now
shown on the Master Strip. Input trim and makeup gain are now shown on tracks trips. The sidechain enable
and master bus assign are now shown on Mix Bus strips.
• LADSPA plug-ins with invalid I/O for the current track will be disabled in the "Favorites" menu, and will display
"invalid I/O" on the plug-in manager. So you don't get the "invalid plug-in" window.
• Add selected-track mute/solo bindings.
• Taller, higher-contrast faders on the mixer strips.
• For Macbooks, the Backspace (labeled "Delete" on macbooks) now operates like the regular Delete key.
Users of Mixbus 1.5.1 or before must enable this feature by binding the button to Delete (Backspace). You can
also click Preferences->Keybd/Mouse->Keyboard Layout and choose one of the available bindings. The system
default is "mnemonic-us", which implements all of these new features. (Note: this will overwrite any custom key-
bindings you have done).
• Many user-suggested tweaks to menus which move the most-used functions to the top areas of the menu.
• Regions are transparent when moving, but switch to opaque when you drop them in place. Range-selection
behavior now allows you to drag down across multiple tracks at once - while also supporting edit groups.
• Recording automation in realtime is much more stable; and allows recording automation in a loop. it also thins
the data when recorded so it is easier to edit. Editing automation is more Range-y. Mouse-wheel does latch.
You can now grab a range of time and drag all the control points without having to click on the "line".
• Edit and Mix groups now default to "active" when they are created
• Refined operation of join_play_range. Region trims and fades should locate the playhead for auditioning if
join_play_range is engaged. Preroll time is configurable in Preferences->Misc.
• Refined editing of crossfades. See Region Editing, in the User Manual.
• Significant fixes to realtime touch/write automation. First switch to Touch now uses the current value, rather
than changing to the default value; automation "punch-ins" now work correctly, and allow recording automation in
a loop. Automation only records in forward motion and is added more checks to make sure automation lists are
maintained in correct order. The mouse wheel will now trigger touch, and works like "latch". (see Automation in
the User Manual)
• Rationalize Gain mode and Automation editing: Gain curves are only highlighted on region entry when using
MouseGain. Gain and automation selections now act more Range-y, with more consistency between them, and
don't use rubberbanding. Gain mode works on automation tracks as well as regions. First gain-click in a region
will show the gain curve, if it is hidden, instead of adding a new point. Automation now allows tweaking like Gain
curves. In the past it was possible to accidentally mix region and CP selection in a rubberband select, this is
now disallowed.
• When dragging a range, you can now sweep the range to adjacent tracks above or below the selected track.
• Mix and Edit Groups now default to "Active" when created.
• Clicking on a Range Marker will set the Selection Range to the range.
• Various tweaks to zooming and zoom code. When holding playhead, allow vertical movement of mouse to
change zoom scale (linux only).
• Some unimplemented/confusing buttons on the Rhythm Ferret and Spectrum Display have been removed.
• Change automation line color to white so they are more visible against the region background. Change back-
ground colors of some buttons, and limit Mixbus to use the dark theme for now.
KNOWN ISSUES:
• Sometimes opening a new session snapshot without first restarting Mixbus will cause a crash. This has been
fixed in Ardour3 but will not appear in Mixbus until we adopt the Ardour3 platform.
• On Mac OSX Snow Leopard, Mixbus crashes if you try to enter a metadata "Tag" on a file in the Import dialog.
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Section 32.0 - Appendix B: Release Notes Mixbus User Guide