Wait for the final regulations to be published
nobody can tell you what will be in the new regulations and when they will be effective as of now the current Law is that after landing in Canada you should not stay out of Canada more than 183 days if you want to maintain your PR, you should have your canada SIN, Canada Tax should be paid and Driving licence of canada any family member staying in Canada, any utility bill in canada, Canada credit card ,library card these are the things you can try to convince the immigration officer that your Intention is/was to establish your ties in Canada. This time rule out of Canada is 183 days only .Regarding Last year Absent you are no more PR according to current lawif you stayed away more than 183 days,Wait for the regulations to be published if they have anything for you.