Releae Notes 5.8:
- Improved stability: Upgraded writing procedure in case of a defective memory.

Releae Notes 5.6:
- Lua as programming interface. This opens the possibility of building own programs and run them on Milestone 312 Ace.
- The synthetic speech speaks very fluid now, even at fast playback.
- The volume of the synthetic speech is in balance with the signal sounds.
- Longer battery runtime.
- Anti-vibration: The built-in speaker lowers frequencies around 500 Hertz, which reduces possible vibration of the keyboard.
- MP3 files with very low sampling rates now played correctly.

Releae Notes 5.5:
- Battery: A problem that prevented charging of deeply discharged batteries is solved,
- Audio: Click-sound at beginning of a record sometimes did not appear. This is corrected,
- Clock: The stopwatch now continues to run even if Milestone switches off,
- Radio: RDS station recognition activated. Pressing the mode key during playback announces the station name, or the frequency if station name is not known,
- Calendar: Weekday is being announced again in the event browser, as well as the week number at the event preview.

Releae Notes 5.4:
- Feature Flip Alarm: Upon wake sound, flipping device postpones ringing for 5 minutes (snooze function),
- Radio: Slight tick sounds in playback eliminated,
- Radio: Transmission now also possible at frequencies 87.5 and 108.0 Megahertz,
- Radio: Transmission now at higher power due to automatic measurement of headphone impedance.

Release Notes 5.3:
- Text-To-Speech: Volume reduced to 93% to adapt to prompt volume,
- Alarm clock: Corrected partially wrong playback speed of Text-To-Speech,
- Radio: Stereo/Mono-Option added,
- Woodscan: Corrected noise at recording of voice records.