Split tracks have seem more and more common since Bway reopened from COVID. Long running shows often call in past cast members if there's a situation to fill in a track or a role. Being a swing is still the hardest job on Broadway.
A Chorus Line revival played its final Broadway performance on August 17, 2008. The tour played its final performance on August 21, 2011. A new non-equity tour started in October 2012 played its final performance on March 23, 2013. Another non-equity tour launched on January 20, 2018. The tour ended its US run in Kansas City and then toured throughout Japan August & September 2018.