This phrase appears to be a status update or a caption related to the community, likely referring to the release or improvement of a specific piece of fan-made content, such as a "PowerPoint" (PT) story or a digital sequence. Based on the context of this specific community:
The #1 reason people fail the bound2burst switch is breath panic. During bounds, you breathe rhythmically (inhale 2 counts, exhale 2). Then the burst hits, and you gasp. just made it pt 3 bound2burst better
So when someone says they just made it pt 3 bound2burst better , they are celebrating a personal record in the most brutal segment of their workout—and they’re already planning how to surpass it. This phrase appears to be a status update
: A reference to the 2013 Kanye West song known for its soul-sample production. : Likely referring to the Then the burst hits, and you gasp
: Fans have noted that the lighting and camera work in this part are much sharper. The "bound" elements are staged more creatively, showing an evolution in the creator's technical skills.
The bathroom door finally clicked shut, and the world outside the tile walls ceased to exist.