I like the look of OmniFocus 2 but it's not ready for everyday use so I decided to make a theme for OF1 with the renewed look.
It's a theme that comes with a small script to copy some icons into the resources of OmniFocus 1.
It looks like this:
At the command line (Terminal or iTerm), type:
git clone https://github.com/deadsunrise/Omnifocus-modernize-theme.git cd Omnifocus-modernize-theme sh ./install.sh
When prompted, click "Replace" to apply the them, and restart OmniFocus.
If you get an error "File install.sh is not executable" or similar, then type
chmod a+x ./install.sh
To go back to the original version
cd Omnifocus-modernize-theme sh ./uninstall.sh
By default, the script assumes that OmniFocus is installed in
/Applications/OmniFocus.app. This can be configured in line 3 of
Icons taken from OF2 beta. I hope that OmniGroup doesn't mind because they can also be found in public screenshots.