After reopening the settings-view I am are unable to confirm a search for packages with the Enter key if I visited the install packages tab.
settings-view:install-packages-and-themes command.settings-view.settings-view for example with Ctrl+,.package in the package search field and try to confirm the search with Enter.settings-view to search for package packages.
settings-view doesn't search for anything. Only solution is to restart Atom or search by clicking the Packages button.
First open and searching for git works, after reopening it does not work.

Atom 1.10 Windows 7.
I was able to reproduce this on macOS 10.11.6 running Atom v1.12.0-dev-41b4e85.
Same with win10 x64
Fixed in dbd5186d0d808a57194fcbf32639f3cd612aabfa
Went out in 1.10.2 and 1.11.0-beta5
Most helpful comment
Went out in 1.10.2 and 1.11.0-beta5