Hardware Support

Acela CTI

Anyma DMX512

Bachrus Speedo

BiDiB

CBUS

C/MRI

DCC++ and DCC-EX

DCC4pc

Direct

ESU

Hornby

Internal

IPOCSMR

JMRI Simple Server/JMRI Client

KPF-Zeller

Lenz XPressNet

LocoNet

Maple

Marklin CS2

MERG

MQTT

MRC

NCE

Oak Tree

OpenLCB / LCC

• Fixed a problem adding signal masts when the OpenLCB or LCC system letter is not "M".

Powerline

RFID

Roco z21/Z21

Secsi

SPROG

SRCP

TAMS

TMCC

Uhlenbrock Intellibox

Zimo MXULF

ZTC

New / Updated decoder definitions

AE Model

Arnold

Bachmann

BLI

BNM Hobbies

CT Elektronik

DCC Concepts

Digikeijs (Digirails)

Digitrax

Doehler & Haas

ESU

Hattoms

Hornby

Kuehn

LaisDCC

LDH

Lenz

MD Electronics

MGP

Mistral Train Models

MTH

MRC

NCE

Norsk Modelljernbane (NJM)

Piko decoders

Public Domain and DIY decoders

QSI

Rampino Elektronic

Rautenhaus

RR-CirKits

SoundTraxx

Tam Valley Depot

TAMS

TCS

Team Digital

Technologistic (train-O-matic)

Trix Modelleisenbahn

Uhlenbrock

Umelec

Viessmann

Wangrow

ZIMO

Miscellaneous

Control Panel Editor

Circuit Builder

Palette

CTC Tool

DecoderPro

• Some of the buttons have been relabelled for clarity
  • New Loco → New Entry
  • Identify → Find in Roster
  Along with machine translations for other languages.
• The window you use to assign roster entries to groups has been improved:
  • A "Create Group" button has been added to make that more convenient.
  • An edge-case where you could accidentally make a copy of the "All Entries" group has been removed.
  • A blank group name will no longer appear in the selection box.

Dispatcher

Dispatcher System

Internationalization

Layout Editor

NX - Entry/Exit Tool

LccPro

Logix

LogixNG

• Fixes a bug where local variables might have the wrong values when using the action Execute delayed.

Meters and MeterFrames

OperationsPro

• New feature, you can now build your train using "On Time" mode. Requires using real or fast clock to schedule for your trains.

Panel Editor

Permissions

Preferences

Resources

Roster

Routes

Scripting

Signals

Signal Systems

Signal Heads

Signal Masts

Signal Groups

Cab Signals

Simple Signal Logic

USS CTC Logic

Switchboard Editor

Throttle

Timetable

Tracker

Turnouts, Lights, Sensors and other elements

Warrants

Web Access

Web Server

Where Used

WiThrottle Server

Virtual Sound Decoder

Z21 Server

Miscellaneous

• Added a 'JmriFaceless.command' to the macOS distribution that lets you run a faceless (no GUI) version of JMRI.
• Removed some code that was used for migration to JMRI 4.20 from earlier. If you're updating from before JMRI 4.20, please go through JMRI 4.20 as described in the migration instructions above.