Interestingly table 15 (including TLGN services from Cambridgeshire to KX and Thameslink) is only valid to September, while other tables (including the other ECML routes) are valid to December.
With the current service still having disastrous reliability, with the original Thameslink proposal never having been fully implemented (eg Cambridge - Maidstone...), and with dark rumours of planned cost savings on the horizon, there's plenty of scope for overtime at the rumour mill!