There have been a few sets of changes published over the last month. Sorry for the delay, especially as some of the easements added below are already out of date.
On 12 December, the following changes were published:
Changes from 181205 (237) to 181212 (238).
Permitted Route changes:
Ealing Broadway Group (G77) to South Ruislip (SRU) lose RG
No effect.
Map changes:
GC: Lose Greenford to/from South Ruislip
RG: Lose Greenford to/from South Ruislip
That is, the link between Greenford and South Ruislip has been removed from all of the maps which contained it.
From what I can see, this has no effect. According to the published information, a train is treated as going to Greenford if it runs into the bay platform at Greenford, or if it goes through Greenford East Junction. Greenford East Junction is used by trains to or from the Old Oak Common direction.
The Greenford platform is only used by trains which call at Greenford (Greenford-West Ealing ones now). Greenford East Junction is only used by trains to/from London. No map contains a Greenford-London link, so a train which was scheduled to go this way wouldn't be following a mapped route.
I do wonder why GC still includes Ealing-Greenford. Greenford isn't a routeing point, so it's not needed for trains going to Greenford. And no map includes a connection between Greenford and anywhere else, so it can't form part of a through route. All having the link there does is ensure that no train which runs through Greenford East Junction in future will be shown as using a mapped route.
Easement changes:
Removed:
700687 (Circuitous Route) Customers travelling from or via Reading to East Croydon and London Terminals on tickets routed (00000) ANY PERMITTED may not travel via Reading Bus and Gatwick Airport. This negative circuitous route easement applies in both directions
I don't know anything about this service. Does this mean you can do this now?
700780 (Map) Customers travelling to Edinburgh and beyond, whose normal route is via Newcastle and Berwick upon Tweed, may travel via Carlisle during engineering works on Saturdays 22 and 29 September, 06 and 13 October 2018; Sundays 23 and 30 September, 07 and 14 October 2018 . This map easement applies in both directions
700785 (Fare route) During engineering works between 04-07 June 2018, 09-12 July 2018, 16 July to 05 August 2018, 08-11 October 2018 and 19-22 November 2018, journeys from Warminster, Frome, Dilton Marsh and Westbury to Reading and London Paddington priced on fare route (00063) VIA NEWBURY are permitted on journeys via Swindon. This fare route easement applies in both directions
700786 (Map) During engineering works between 04-07 June 2018, 09-12 July 2018, 16 July - 05 August 2018, 08-11 October 2018 and 19-22 November 2018 passengers from Pewsey to Reading and London Paddington on tickets routed (00000) ANY PERMITTED, may travel via Westbury, Bath Spa, Chippenham and Swindon. This map easement applies in both directions.
700788 (Map) Due to engineering work diversions via Cosham, affecting journeys from and via Southampton to destinations using journey legs on Cross Country services on the weekends 01/02, 08/09, 15/16, and Saturday 22 September 2018, and Sundays the 21 October 2018 and 04 and 25 November 2018. This map easement will allow journey planners to see journeys via Cosham and Havant, and applies in both directions.
700796 (Map) During engineering works on the weekend of 13/10/2018 - 14/10/2018, between 27/10/2018 to 18/11/2018 and the weekends of the 24/25 November and 01/12/2018 - 02/12/2018 diversions between Bristol and Cheltenham will be permitted via Swindon. This map easement is applies in both directions.
These are all temporary easements which have since expired.
Added:
700831 (Fare route) For journeys from West Ealing to High Wycombe using tickets priced on routes (00813) VIA GREENFORD (UND)and (00200) VIA LONDON may be used on the 11.47 direct service that runs Mondays to Fridays. This fare route easement applies only to the 11.47 through service.
This means that there is a ticket which would be valid on that train. There are others, of course, such as a High Wycombe travelcard, but this is cheaper.
700832 (Fare route) Journeys to West Ealing Mondays to Fridays, that involve interchange at South Ruislip and onward travel on the 11.02 through train between South Ruislip and West Ealing will be permitted on tickets priced on (00813) VIA GREENFORD (UND) and (00200) VIA LONDON. This fare route easement only applies to journeys using the 11.02 service
This is a similar easement for the other direction, although it covers more than just tckets from High Wycombe. South Ruislip-High Wycombe tickets are "any permitted", so would be covered anyway due to this being a through train.
700833 (Map) Due to engineering works between Petts Wood and Lewisham, trains will be diverted via New Beckenham and New Cross on the weekends of the 29-30 December 2018 and 05-06 January 2019. This affects journey planning involving more than one service, and requires temporary routeing data to be put in place. This map easement will apply in both directions.
This permits (well, permitted) travel via Catford Bridge over the period.
On 19/12, the following changes were published:
Changes from 181212 (238) to 181219 (239).
Permitted Route changes:
Aberdeen (ABD) to London Group (G01) gain EC+KS
Bradford Group (G03) to London Group (G01) gain ER+KS
Dalmuir (DMR) to London Group (G01) gain FW+EG+EC+KS
Darlington (DAR) to London Group (G01) gain TE+KS
Doncaster (DON) to London Group (G01) gain AD+KS
Dundee (DEE) to London Group (G01) gain EC+KS
Edinburgh Group (G11) to London Group (G01) gain AA+KS
Falkirk Group (G44) to London Group (G01) gain EC+KS
Gilberdyke (GBD) to London Group (G01) gain HU+KS
Goole (GOO) to London Group (G01) gain AD+KS
Hellifield Group (G53) to London Group (G01) gain WY+ER+KS
Hull (HUL) to London Group (G01) gain HU+KS
Inverkeithing Group (G50) to London Group (G01) gain EC+KS
Kirkcaldy Group (G51) to London Group (G01) gain EC+KS
Ladybank (LDY) to London Group (G01) gain EC+KS
Leeds Group (G16) to London Group (G01) gain AY+KS
London Group (G01) to Middlesbrough Group (G42) gain KS+TE
London Group (G01) to Newcastle (NCL) gain KS+AA
London Group (G01) to Northallerton (NTR) gain KS+TE
London Group (G01) to Pontefract Group (G22) gain KS+GU
London Group (G01) to Scarborough Group (G48) gain KS+AY
London Group (G01) to Stirling (STG) gain KS+EC
London Group (G01) to Wakefield Group (G30) gain KS+AD
London Group (G01) to York (YRK) gain KS+AY
These journeys now have mapped routes via Letchworth.
Barnetby (BTB) to London Group (G01) gain EE+KS
Bellgrove (BLG) to London Group (G01) gain GO+EG+EC+KS
Carstairs (CRS) to London Group (G01) gain EC+KS
Crianlarich (CNR) to London Group (G01) gain FW+EG+EC+KS
Dingwall (DIN) to London Group (G01) gain EC+KS
Dumbarton Group (G80) to London Group (G01) gain FW+EG+EC+KS
Fort William (FTW) to London Group (G01) gain FW+EG+EC+KS
Habrough (HAB) to London Group (G01) gain EE+KS
Huddersfield Group (G40) to London Group (G01) gain DP+GU+KS
Hyndland (HYN) to London Group (G01) gain GO+EG+EC+KS
Inverness (INV) to London Group (G01) gain EC+KS
Kilmarnock (KMK) to London Group (G01) gain GO+EG+EC+KS
Kilwinning (KWN) to London Group (G01) gain GO+EG+EC+KS
London Group (G01) to Motherwell Group (G67) gain KS+EC
London Group (G01) to Mount Florida (MFL) gain KS+EC+EG+GO
London Group (G01) to Paisley Gilmour Street (PYG) gain KS+EC+EG+GO
London Group (G01) to Partick (PTK) gain KS+EC+EG+GO
London Group (G01) to Perth (PTH) gain KS+EC
London Group (G01) to Pollokshaws West (PWW) gain KS+EC+EG+GO
London Group (G01) to Port Glasgow (PTG) gain KS+EC+EG+GO
London Group (G01) to Springburn (SPR) gain KS+EC+EG+GO
These journeys now have mapped routes via Cambridge.
Barnsley (BNY) to London Group (G01) gain AD+KS
This journey now has mapped route which go via both Doncaster and Letchworth.
Glasgow Group (G13) to London Group (G01) gain EG+EC+KS
London Group (G01) to Newark Group (G47) gain KS+LN
London Group (G01) to Retford (RET) gain KS+LN
London Group (G01) to Worksop (WRK) gain KS+LN
These journeys now have mapped routes via Finsbury Park and Cambridge.
Halifax Group (G39) to London Group (G01) gain DP+GU+KS
This journey now has mapped routes via Cambridge, as well as ones via Bradford and Huddersfield which do not go through Chesterfield.
Hayes & Harlngtn Gp (G75) to South Ruislip (SRU) lose RG
Slough (SLO) to South Ruislip (SRU) lose RG
Maidenhead (MAI) to South Ruislip (SRU) lose RG
Reading Group (G24) to South Ruislip (SRU) lose RG
South Ruislip (SRU) to Twyford (TWY) lose RG
No effect. South Ruislip was removed from RG the week before, so these were sequences you couldn't possibly follow.
Lincoln Central (LCN) to London Group (G01) gain DG+LN+KS LN+KS
These journeys now have mapped routes which go:
via Cambridge and Stevenage; and
via Rauceby.
London Group (G01) to Meadowhall (MHS) gain KS+AA+BB lose EE+HO
This journey no longer has mapped routes:
via Barnley; or
via Shadwell.
It now has mapped routes via Cambridge.
London Group (G01) to Newton (NTN) gain KS+EC+EG+GO
This journey now has mapped routes:
via Cambridge;
via Falkirk; and
via both Edinburgh and Glasgow
London Group (G01) to Selby (SBY) gain KS+AL+HL KS+AY
This journey now has mapped routes:
via Letchworth; and
ones via Leeds and York which do not go via Wakefield or Cambridge.
London Group (G01) to Sheffield (SHF) gain KS+HU+MS KS+HU+SH
This journey now has mapped routes:
via Doncaster and Letchworth; and
via Worksop and Letchworth.
London Group (G01) to Sleaford (SLR) gain KS+LN
This journey now has mapped routes via Stevenage, Cambridge and Spalding.
London Group (G01) to Swinton (South Yorkshire) (SWN) gain KG+DW KS+AA+DW lose EE+HO
This journey no longer has mapped routes:
via Barnley and Stevenage; or
via Shadwell.
It now has mapped routes via Cambridge.
London Group (G01) to Troon Group (G81) gain KS+EC+EG+AG
This journey now has mapped routes via Ely.
London Group (G01) to Westerton (WES) gain KS+EC+EG
No effect.
I think this one may be a mistake. 4 maps (EG, FW, GF and SR) had a link between Springburn and Westerton added in 2016 for when Glasgow Queen Street High Level tunnel was closed for engineering work. I'm not sure what used the link at the time, but nothing is scheduled to go that way now. As that's the only way to reach Westerton on EG, this map combination covers nothing.
One of the pre-existing London-Westerton map combinations is KG+SR. If that had instead been replaced by KE+KG+SR, this would have permitted travel via Cambridge, Peterborough and Berwick using "any permitted" tickets
Easement changes:
Removed:
700811 (Map) Due to engineering works, Cross Country services on Sundays 21 October 2018 and the 04 and 25 November 2018 will be diverted via Ash and North Camp. this map easement will allow connecting services to be shown in journey planners.
700813 (Fare route) Tickets routed (00803) EVESHAM/STROUD and (00805) VIA EVESHAM will be valid via Stroud between 17 and 25 November 2018 due to station improvement works between Pershore and Morten in the Marsh. This fare route easement applies in both directions
700818 (Map) During engineering works on 09/12/2018 and 16/12/2018, Customers travelling from and via Gloucester to and via Bristol Temple Meads may travel via Newport S.Wales. This map easement applies in both directions.
700821 (Fare route) During engineering works 27 October 2018 to 18 November 2018. Plus the weekends of the 24/25 November 2018 and 01/02 December 2018, journeys on Cross Country services using tickets priced on fare route (00817) VIA BRISTOL may travel via Bath Spa, Chippenham, Swindon, Kemble and Stroud and Cheltenham Spa. This fare route easement applies in both directions.
700823 (Doubleback) On Sundays 09 and 16 December 2018, due to engineering work diversions, Cross Country services will travel via Newport (South wales) and will pass Severn tunnel Junction twice. This double back easement will apply on these dates and work in both directions.
700826 (Fare route) Tickets priced (00810) NOT VIA READING will be permitted for journeys via Reading on 16 December 2018 due to the line through Didcot Parkway being closed to allow for improvement work to take place. This fare route easement will apply in both directions.
These are all temporary easements which have since expired.
On 4/1, the following changes were published:
Changes from 181219 (239) to 190104 (240).
Permitted Route changes:
Basingstoke (BSK) to Castle Cary (CLC) gain BB+PC LE lose XR+PC
This journey no longer has mapped routes via Weymouth.
It now has mapped routes via Yeovil Junction.
Castle Cary (CLC) to Weybridge Group (G82) gain LE WE+RU
This journey now has mapped routes:
via Yeovil Junction; and
via Mortimer.
Castle Cary (CLC) to Woking (WOK) gain LE
This journey now has mapped routes via Yeovil Junction.
Chippenham (CPM) to Hunts Cross Group (G70) gain BW+BV
Chippenham (CPM) to Liverpool Group (G18) gain BW+BV
These journeys now have mapped routes:
via Bath and Runcorn; and
via Bath, Stoke-on-Trent and Chester.
Highbury & Islington (HHY) to London Group (G01) lose KP
This journey no longer has mapped routes via Finsbury Park.
Map changes:
HI: Gain Essex Road to/from Highbury & Islington
HI: Gain Essex Road to/from London Group
Before this change, there was a line on the map between Highbury and London which had no intermediate point marked, and Essex Road wasn't included on the map. This change adds a second line, with Essex Road marked on it.
There are only 4 map sequences which include HI, and no mapped routes are added or removed by this change.
Easement changes:
Removed:
700814 (Fare route) During engineering works affecting journeys into London Paddington between 23 and 30 December 2018, tickets routed (00803) EVESHAM/STROUD, (00805) VIA EVESHAM and (00807) VIA STROUD will be valid on journeys to London Euston and London Marylebone via Birmingham and Oxford. This fare route easement applies in both directions
700815 (Map) During engineering works affecting journeys into London Paddington between 23 and 30 December 2018, tickets routed (00803) EVESHAM/STROUD, (00805) VIA EVESHAM and (00807) VIA STROUD will be valid on routes to London Euston and London Marylebone via Birmingham and Oxford. This map easement applies in both directions
700820 (Map) On 1st Jan 2019, there is an engineering blockade between Wolverhampton and Stafford. Cross Country services will not be calling at Wolverhampton, and instead will be diverting from Birmingham New Street via Nuneaton to Stafford and onward to Manchester. This map easement will apply in both directions
700828 (Map) During engineering works between the 23 December 2018 and 01 January 2019, customers travelling from Diss, Needham Market and Stowmarket to or via central London on tickets routed (00000) ANY PERMITTED may travel via Bury St Edmund's and Cambridge to both London Kings Cross and London Liverpool Street. This map easement applies in both directions
Temporary easements, now finished.
Added:
700834 (Routeing Point) Journeys from Castle Cary to, Walton on Thames, Hersham and Esher on route (00700) NOT VIA LONDON denied by fares checking when travelling via Weybridge will be permitted by this routeing point easement; and will apply in both directions.
The statement above doesn't seem to be correct for Walton on Thames, as the prices are the same as for Weybridge. Using Weybridge rather than Surbiton (the other opton) as a routeing point means that there are mapped routes via Reading and via Yeovil.
700835 (Fare route) During engineering in the Westbury area on Sunday 13 January 2019 and on the 03, 06 and 07 February 2019. Tickets priced on fare route (00136) VIA MELKSHAM, will be valid for travel via Bristol Temple Meads. This fare route easement applies in both directions
Melksham, Westbury and Dilton Marsh are closed then, so this could be useful for someone travelling between Swindon and Trowbridge. Less so if you're going from Melksham to Salisbury.
On 9/1, the following easements were published:
Changes from 190104 (240) to 190109 (241).
700836 (Routeing Point) Journeys from Keynsham or Oldfield Park to Rickmansworth, Chorleywood, Chalfont & Latimer and Amersham may travel via Bath Spa. This routeing point easement overrides fares checking (NFM64) and operates in both directions.
There were no fares for any of these routes in NFM64. This easement says that you can use Bath as a routeing point at one end. Easement 700730 says that you can travel via London Marylebone so long as you travel via London Victoria. BL+WX contains a route from Bath Spa to London Victoria. It isn't the first route I'd think of for the journey, though.
700837 (Map) On 2nd Feb 2019, Cross Country trains are diverting between Basingstoke and Southampton via Salisbury and Romsey. This map easement will apply in both directions.
By "Salisbury", this means the Laverstock curve in the west of the town. The easement could be intended to let you travel through Salisbury station, though. They haven't really given very much away.
700838 (Routeing Point) Journeys from Elsecar and Wombwell to Willesden Junction priced on route (00486) AP EMT & CONNECTIONS are denied via Meadowhall by (NFM64) fares checking. This routeing point easement will apply and operate in both directions.
Not being shown on ticket sites seems to be an issue that also affects "any permitted" tickets on these routes. The web sites do allow "via Chesterfield" tickets, but they're less flexible.
On 11/1, the following changes were published:
Changes from 190109 (241) to 190111 (242).
Permitted Route changes:
Chester (CTR) to Newcastle (NCL) gain JP+VT+MN
This now has mapped routes via Liverpool and Manchester. These include both routes between Liverpool and Manchester, and both between Manchester and Leeds.
Easement changes:
Added:
700839 (Map) During engineering diversions from 17 February to 08 March 2019, this temporary map easement will create permitted routes between London Paddington and Penzance via Castle Cary, Yeovil Junction and Honiton. But only for tickets priced on (00000) ANY PERMITTED. It will operate in both directions
This seems like a surprisingly specific easement to me.
The diversion route in question goes from Castle Cary to Exeter via Yeovil. A ticket between two stations your train calls at will be fine, of course. The route via Castle Cary is around 4 miles longer than the one via Taunton, and I don't think there are any map combinations which go this way. In other words, there are lots of routes which would not be valid on a diverted train, even with this easement.
The only London-Penzance tickets which don't have an "any permitted" route are advance tickets. Preventing people from using those on through trains also seems a bit odd.