try href=https://github.com/istio/istio/compare/1.0.4...1.0.5><h5>SOURCE CHANGES</h5><p>Inspect the full set of source code changes.</p></a></div><h2 id=general>General</h2><ul><li><p>Disabled the precondition cache in the <code>istio-policy</code> service as it lead to invalid results. The
cache will be reintroduced in a later release.</p></li><li><p>Mixer now only generates spans when there is an enabled <code>tracespan</code> adapter, resulting in lower CPU overhead in normal cases.</p></li><li><p>Fixed 