HCI research has led to major innovations used by large and diverse audiences in different parts of the world. However, a recent meta-analysis found that research at CHI is still highly (73%) concentrated in western contexts. HCI Across Borders (HCIxB) has gathered a diverse audience to expand the borders within CHI over the past six years. For CHI 2022, we expect to regroup to reflect on shifting boundaries from CHI’s past and emerging challenges in research, teaching, and practice during the Covid-19 pandemic.