- Enabled concurrent log rotation in kubelet. You can now configure the maximum number of concurrent rotations with the `containerLogMaxWorkers`...

## Urgent Upgrade Notes

### (No, really, you MUST do this before you upgrade)

Before upgrading to Kubernetes 1.13, you must keep the following in mind:

- kube-apiserver

	}
	if st.trailer != nil {
		for _, hf := range f.RegularFields() {
			key := sc.canonicalHeader(hf.Name)
			if !httpguts.ValidTrailerHeader(key) {
				// TODO: send more details to the peer somehow. But http2 has
				// no way to send debug data at a stream level. Discuss with
				// HTTP folk.
				return sc.countError("trailers_bogus", http2streamError(st.id, http2ErrCodeProtocol))
			}

	//
	// Within a multicluster mesh, each cluster must be (manually or auto)
	// configured to have the same Mesh ID value. If an existing cluster 'joins' a
	// multicluster mesh, it will need to be migrated to the new mesh ID. Details
	// of migration TBD, and it may be a disruptive operation to change the Mesh
	// ID post-install.
	//
	// If the mesh admin does not specify a value, Istio will use the value of the

Consolas,monaco,monospace;color:#666;-moz-tab-size:4;tab-size:4;overflow:auto;padding:10px;border:1px solid #e5e5e5;border-radius:3px;background:#fff}pre code{font-family:Consolas,monaco,monospace}::selection{background:#39f;color:#fff;text-shadow:none}details,main{display:block}summary{display:list-item}template{display:none}.uk-breakpoint-s::before{content:'640px'}.uk-breakpoint-m::before{content:'960px'}.uk-breakpoint-l::before{content:'1200px'}.uk-breakpoint-xl::before{content:'1600px'}:root{--uk-b...