D.Va AI + 1 sources

Walks Away From Enemys If In Pilot Form And Within 35 Meters

Uses Boosters If Pathing Loaction Further Than 12 Meters
(And Ultimate Not Ready)

Uses Boosters To Cross Gaps In Map
(Example Hannamura Right Side Gap To Point From Defence, Etc)

Edited Pathing Finding Script To Support Crossing Gaps With Booster
(Including Checking Booster Duration And Gap Distance To Abort If Impossible)

Uses Booster If Target Spotted
(And Ultimate Not Ready)

Uses Micro Missile When Using Defence Matrix

Uses Defence Matrix If Target Spotted And Resource Above 40%
(Doesn't Stop Using If Resource Below 40%)

Uses Self Destruct If 3 Or More Targets And Booster Is Ready
(Also Uses Booster Before)

Uses Self Destruct If Mech Died (During That Death Animation) And 2 Or More Targets Spotted
(Of Course Also No Boosters Are Used)

Uses Call Mech Whenever Ready

D.VA Will Also Target Pilot Form D.VA's With 2x Priority

Sources

This post utilizes other codes either in part or in full. This could be because they remixed them, used parts of them, were inspired by them, or other reasons.