Update compatibility docs

Fixes #66

Author: kpdecker

Diff for: README.md

@@ -1,6 +1,7 @@
 # jsdiff
 
 [![Build Status](https://secure.travis-ci.org/kpdecker/jsdiff.svg)](http://travis-ci.org/kpdecker/jsdiff)
+[![Sauce Test Status](https://saucelabs.com/buildstatus/jsdiff)](https://saucelabs.com/u/jsdiff)
 
 A javascript text differencing implementation.
 
@@ -161,6 +162,12 @@ Open the above .html file in a browser and you should see
 
 **[Full online demo](http://kpdecker.github.com/jsdiff)**
 
+## Compatibility
+
+[![Sauce Test Status](https://saucelabs.com/browser-matrix/jsdiff.svg)](https://saucelabs.com/u/jsdiff)
+
+jsdiff supports all ES3 environments with some known issues on IE8 and below. Under these browsers some diff algorithms such as word diff and others may fail due to lack of support for capturing groups in the `split` operation.
+
 ## License
 
 Software License Agreement (BSD License)
@@ -194,6 +201,3 @@ DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVI
 DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
 IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
 OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-
-[![Bitdeli Badge](https://d2weczhvl823v0.cloudfront.net/kpdecker/jsdiff/trend.png)](https://bitdeli.com/free "Bitdeli Badge")