Here are all the Stability and reliabilityin 2.6 as listed by Akai. Software is getting better.
https://www.akaipro.com/kb/mpc-2-6-desktop-software-and-firmware-update
Stability and reliability
16 Level Drum program-specific parameters have been excluded from display for other program types
Audio Device Audio inputs now work first time in the desktop software on macOS High Sierra
MPC now requests microphone access correctly on macOS High Sierra
Audio Tracks Monitor settings are now saved with the project
Level state, pan state and insert effects are now included when copying an audio track
Audio Edit Marquee-selected audio regions now remain selected when the current tool is changed
Automation Automation data is now correctly restored when loading projects made in version 2.1 or earlier
TUI can now reliably display more than five simultaneous automated parameter value changes per page
Automation will now display correct values when TC is set to Off
It is now possible to edit the last automation event of a grid correctly
Channel Mixer Channel Mixer is now fully visible on the GUI when the mode is opened for the first time
Grid Edit Relative Snap now works for MIDI events when using the Data Dial
Events can no longer be placed before 1:1:0 on the timeline
Don’t Snap function will now always work correctly after pressing the Shift button
Note end points will now snap correctly when snap is set to Absolute
File Browser An unavailable drive name is no longer referenced when accessing a favorite folder that belongs to an unavailable drive
The file list cursor position is now retained when deleting a file
Media Browser: Icons now update correctly when moving between different file types with the same file name
Installer The Configure page for MPC Touch setup will no longer crash the installer
Untrue “Program may not have installed correctly" message no longer appears after updating firmware from Windows
List Editor Program automation can now be inserted in an empty project
MIDI Sync MIDI Clock synchronization is now more stable when changing modes
Next Sequence Sequence loop ranges set in Main Mode will now apply to sequence playback in Next Sequence Mode correctly
Plugin Hosting - Effects Undoing and redoing deletions of Akai effects will no longer cause a crash
The Type filter for the list of effects is now On by default
Mother Ducker: Parameter value displays now update correctly when loading a saved preset
Mother Ducker: Saved presets are now accessible from the Presets field
AIR Channel Strip: On/Off parameters now toggle when the Data Dial is pushed in
AIR Para EQ: Touch targets for band On/Off parameters are now larger
The Window button on MPC Renaissance and MPC Studio will now open plugin GUIs
Hardware focus is now retained when moving between insert effects
Plugin Hosting - Instruments Hardware focus position is now restored correctly after leaving an overlay
Preferences
The default setting for Audition Auto Play is now 30 seconds
Clip Edit f-keys no longer appear on Preferences pages
Ethernet address information now clears when disconnecting from a network
On the GUI, users can now type values into the Start Time field on the Sync page
Program Edit When a track’s program is set to <none> it is no longer possible to rename it
Program Edit - Plugin/MIDI Parameter labels will no longer disappear from MPC Renaissance and Studio’s LCD displays when pressing pads
Changes to parameter layouts in the GUI are now correctly reflected on MPC Renaissance and Studio’s LCD displays
Program Edit - Clip Launching a clip while playback is stopped now plays the sequence from start
Program Edit - CV The error “Unsupported CV ports” will no longer appear when loading a project containing CV programs with Gate Port set to Off
Q-Links assignments will now display correctly when changed
Q-Links Parameter assignments that are identical across project loads now load their correct values
Q-Links no longer adjust the wrong parameters after making changes to pad sample assignments
Sample Edit Looping a patched phrase with large slices and a high value for Bars is now audibly correct
Patched phrase slices will now play back correctly
Sample Record Inputs are now displayed correctly on MPC Renaissance and Studio LCD screens
The maximum recording time value can no longer be changed during a recording
The current program is now selected in the Keep or Discard dialog
Monitoring for mono inputs is now working correctly
It is now possible to select a pad when assigning a recorded sample
Saving and Loading Loading a MIDI file containing more than 128 separate tracks will no longer cause a crash
An error message is now shown if the wrong extension is used when saving a file
An incorrect program label no longer appears when an existing program is reloaded to the project
“Error saving sample” message now displays the correct filename
Song Mode Sequences are no longer skipped in playback when Ableton Link is enabled
Step Sequence Preset button states no longer cycle on first new touch
Holding the Shift button no longer displays numbers that do not reflect current steps in the current track
Track Mute The Note Repeat and Arpeggiator features can now be used while in this mode
Program-level automation can now be written while in this mode
Input from MIDI controllers may now be recorded while in this mode
Transport The spacebar shortcut is now functional when MPC is running as a plugin in a supported DAW and the plugin has focus
Record and Overdub are now automatically disabled when MPC is running as a plugin in a supported DAW and DAW transport is stopped
Undo/Redo Changing a track’s program is now an undoable action
XYFX XYFX no longer latches when the control area is held and the mode is changed
A disabled state is now visible when an XYFX instance is bypassed from a channel strip