Yes. Avantix Traveller always contains the fares immediately prior to the fares period that is issued for. (This means you can install the new one and use it right away, change the Travel Date to access different dates).
SOR - ANYTIME R VWC
00000 - +ANY PERMITTED
Non-standard discounts apply
1 Adult @£ 138.00 = £ 138.00
__________
£ 138.00
Standard Class Return
From : 0418 BIRMINGHAM STNS
Destination: 0785 ZONE U1* LONDN
The code for ZONE U1* Londn is 0785.
In comparison, the fare to London Terminals (effectively Paddington/Marylebone/Euston) was £132.
So £3 extra each way for the use of LU. This is less than a separate paper ticket, but more than PAYG.