The IntelliJ version in the main Solarized repo hasn't been updated since 2011 so it's really outdated. There's been lots of additions and fixes in this repo since then.
(The main Solarized repo actually doesn't seem to have been updated at all, except for the README, since 2013).
Note that through the magic of git-subtree these repositories are all kept in sync, so you can pull any of them and get the most up-to-date version.
Since the main Solarized repo isn't updated anymore you will need to us git-subtree yourself. You can clone https://github.com/altercation/solarized and then do this:
See https://github.com/altercation/solarized/issues/131 and https://github.com/altercation/solarized/pull/272
The IntelliJ version in the main Solarized repo hasn't been updated since 2011 so it's really outdated. There's been lots of additions and fixes in this repo since then. (The main Solarized repo actually doesn't seem to have been updated at all, except for the README, since 2013).
This line on the Solarized web page is therefore a bit misleading:
Since the main Solarized repo isn't updated anymore you will need to us
git-subtreeyourself. You can clone https://github.com/altercation/solarized and then do this:to update the IntelliJ theme from this repo.