Their are 4 holding dates in the year- end of each quater that Openreach use for their rollout, if work is completed before the end date the cabinet will go live, if it is not ready it moves into the next holding slot and so on, your cabinet will go live when it is ready irrespective of the holding dates.
The yellow pins where added by Openreach to give information about delays to certain cabinets, you're cabinet will be ready once all work is complete and testing has finished, then it will go live.
Best to keep checking the wholesale asdl checker with a BT number or if you do not have a BT number use your address and postcode, as this is the most accurate way to know when you cabinet will start accepting orders.
https://www.btwholesale.com/includes/adsl/main.html