Not in the UK. They've been using rPET[1] for some time and are now increasing the rPET content to 100% in their smaller bottles.
https://www.packagingnews.co.uk/news/environment/recycling/c...
> This milestone means Coca-Cola will have increased the amount of recycled plastic material in smaller bottles from 50% to 100%. Coca-Cola’s use of recycled plastics in Great Britain now saves 29,000 tonnes of virgin plastic each year – the equivalent of 2,292 double decker buses.