From the delegated decisions log:
D126 Spaces for People Project Approval (note: not proceeding with SouthWell that would explain why it was taking a while for the lanes on George IV to turn up... https://democracy.edinburgh.gov.uk/documents/s24847/6.1%20-%20Adaptation%20and%20Renewal%20Programme.pdf
Bridge and George IV Bridge at this time.) 19/06/2020
There's also a report at committee next week for approval to direct award an extra £2.6m (total £4.1m) for equipment to deliver the temp measures. Includes an extra £1m on wands/kerbs/bollards, £1m on bus-stop bypass materials and £100k on planters.
Looks like it might also be a while before the new segregated routes appear:
5.3 Delivery for some materials can be achieved in two to four weeks, however, the supply timeline for critical kerb/segregation units will not commence until 20 August 2020 and will run for up six months.