Today, we released MPF 0.55. All 0.54 users should be able to upgrade with small or no changes to their config. This post only mentions some highlights, and you can alternatively read the full release notes: http://docs.missionpinball.org/en/dev/versions/release_notes.html.

Breaking changes in config
--------------------------

- Removed Python 3.5 support
- Added Python 3.8 and 3.9 support (default in Ubuntu 20.04)

New Features
------------

- Flashing Segment Displays in P-Roc
- Segment Display Match Flashing
- Visual Pinball Engine (VPE) Support
- New argument "remaining" in counts
- Initial support for auto-generating wire harnesses
- Tilt improvements
- New hardware: Initial PKONE support
- Improved config validation
- More Service Mode Features
- Open Pinball Project 2.1 Firwmare (for Cobrapin)
- State Machines in non-game modes
- EOS repulse in software
- Better EOS support in FAST and P/P3-Roc
- Ball search only starts at boot when there is at least one ball
- Allow updating speed and manual_advance of shows
- Power management for enable on coils
- Production bundles for config in production machines
- RGB segment displays
- New hardware: FAST segment displays
- Segment displays emulator
- Animations for segment displays
- New command: "mpf hardware benchmark"
- Improved servo support
- Support switches in Pololu Tic
- Add more subscriptions and placeholders
- New spinner device
- New crash reporter
- More and better segment mappings
- Better drop target event behaviour

New Config Options
------------------

- New delay setting for all config players to delay execution
- New option enabled for displays
- New option max_hold_duration for coils to prevent burning your coils by accident
- Persist_frame on images
- logic_block_timeout for all logic blocks (counters, accruals and sequences)
- Added block in sound_player
- New option stop_timeout_after_last_move in servos

Bug Fixes
---------

- Fixed color bugs during fading
- Fix P-Roc driver_pulsed_patter
- Fix bug where initial count of playfield has been wrong
- Ball lock fixes when physical lock has been full
- Highscore mode fix
- Fixed bug on ball tracking during eject with plunger
- Fixed crash on multiple returning balls in the trough
- Fixed crash in bonus
- Fixed crashes in service mode
- Fix timer on step_back and advance in shows
- Fix ball search behavior for diverters
- Fixed bitmap font bugs

See [full release notes](http://docs.missionpinball.org/en/dev/versions/release_notes.html)
for more details.

Upgrade Instructions
--------------------

To upgrade, use pip:

pip3 install --upgrade mpf[all] mpf-mc mpf-monitor

Get in Touch
------------

You can reach us in our forum: https://groups.google.com/forum/#!forum/mpf-users or just write here on Pinside .