Patch 1.11 installed.
When I'm playing on a huge galaxy, the list of planets does'nt contain all my planets, only with names with 1-st letter up to "N". Also, the lookup for planets in this panel (does'nt matter mine or other civ's), imho, uses only the first letter. For example, I've been searching for a new born minor race. I knew their star system from diplomatic screen. But when I enter it in the lookup screen, it shows me an another system, with the same 1-st letter. The system I've been looking for was investigated long time ago, so this must'nt be a problem.
P.S. Sorry for my English!