Some Connolly<->Maynooth services are now only 4 carriages long, better reflecting real-life operations. They are the services that follow the trains headed for Grand Canal Dock from Maynooth. Stations on the Maynooth line now feature "4-car stop" sign (replacing the "6-car stop" signs that were there previously).
New stopping areas were added in Leixlip Confey and Leixlip Louisa Bridge to accomodate the shorter trains.

Maynooth P1 is renamed to just Maynooth.

Donabate station got a quick glow-up. (New building, footbridge and fences)

Some sections of the Belfast mainline are back to jointed track, just around Connolly station.

Street lighting was added to towns between Skerries and Drogheda, where they were previously missing.

The Connolly<->Rosslare formation is now a bit greener, for more variety.

The entire length of the Belfast mainline is now made up of continuous welded rail.
Maynooth-Grand Canal Dock 01 no longer departs at the same time as Longford-Pearse 03 (it now leaves 20 mins later).
The description is updated properly this time.

Added missing buildings in Drogheda.

Added missing orders for Drogheda-Connolly services on the Sunday timetable.

Added whistle signs coming up to Skerries, which you should pass just before the station comes into view (helpful if you want to learn the route and not use any guides).

Grand Canal Dock-Maynooth services now terminate in platform 2 in Maynooth as p1 is often already occupied and it just looks better, as opposed to that train disappearing in front of you when you get the road.

The Belfast mainline now continues on to Drogheda, the largest town in Ireland! It is served by a twice-hourly stopping service to Dublin, and the hourly express to and from Belfast.

Also, buffer stops are now lit better so they can be seen at night.