Issue #2470619 by mcdruid, pounard, hosef, heddn, DamienMcKenna, boyan.borisov, joelpittet, Fabianx, joseph.olstad, MustangGB, izmeez, oadaeh, joshmiller, marcingy, mikeytown2, discipolo, amateescu, Jordan Samouh, das-peter, ndobromirov, quietone, Ronino, mxr576, David_Rothstein, potop, dreamer777, btully: Do not attempt field storage write when field content did not change