bluevaley(at)gmail(dot)com writes:
> The following bug has been logged on the website:
> Bug reference: 14366
> Logged by: peng sun
> Email address: bluevaley(at)gmail(dot)com
> PostgreSQL version: 9.6.0
> Operating system: win8.1
> Description:
> select jsonb_set('[{"f1":1,"f2":null},2,null,3]', '{0}','[2,3,4]', false);
> in 9.6, got:
> [2, null, 3]
> in 9.5.4, got:
> [[2, 3, 4], 2, null, 3]
Yeah, this is broken. Fixed, thanks for the report!
regards, tom lane