I am on EB2 and my PD is Oct 2015 . Is it a good decision to change employer or take advantage of "filing dates" jump like Oct 2020

I am on EB2 and my PD is Oct 2015. I received an offer from an employer. But If I change employer now, will I miss taking advantage of “Dates For Filing” if jumps like it did in Oct 2020? H1B transfer then Perm processing and then i-140 might take 1.5 years so I will be ineligible for downgrading my EB2 to EB3 for 2 years. I don’t have issues with my current employer, I can still work for them for a couple years.

Please advice what’s good move here.

US Green card EB2 to EB3 Downgrade Suggestions app for faster green card - use your priority date to find if EB2 to EB3 downgrade is good option for you.

File i-485 if date is current in EB3 Final action or date of filing chart.