Some time between now and the middle of next year a mandate to clear will come into force, but until then ESMA have been undertaking considerable consultation with market participants. They have produced a discussion paper which contains useful overviews of feedback by asset class such as this:

The full discussion paper is attached below, taken from the ESMA page on the Clearing Obligation. The responses to the request for feedback are on this page which includes all the CCPs and many other firms including trade associations.  There are no answers yet on what products will be mandated, many months will go by whilst ESMA consider the criteria they set themselves to mandate a cleared product, versus the state of the market in clearing right now.