Stata 18 Patched |best|

New commands like hdidregress and xthdidregress allow for estimating heterogeneous difference-in-differences in both cross-sectional and panel data.

Elena spent forty-eight sleepless hours checking her syntax, replacing ## factorial operators with manual interactions, and staring at != logical operators until her eyes crossed. Then, at 3:00 AM on the final day, a notification popped up: stata 18 patched