This release fixes a performance issue in v0.4.0 caused by the new IPNS domain redirect feature. I took that release down rather quickly, but in case you missed it, you can now type ipfs.git.sexy and get redirected to /ipns/ipfs.git.sexy when you enable the Domain Redirection option.
Installation directions: https://github.com/dylanPowers/ipfs-chrome-extension#github-release-version
IPFS Links
/ipfs/QmXv71qdHFqvuPqUAvkWeZsm2u1ujSnF8mpFX2uhfnbBMZ/ext.crx
/ipfs/QmXv71qdHFqvuPqUAvkWeZsm2u1ujSnF8mpFX2uhfnbBMZ/ext.zip