Changelog for .NET concurrency fix
- Add support for previewing Create and Update operations for API servers that support dry-run (https://github.com/pulumi/pulumi-kubernetes/pull/1355)
- Fix panic introduced in #1355 (https://github.com/pulumi/pulumi-kubernetes/pull/1368)
- Update Helm to v3.4.0 and client-go to v1.19.2 (https://github.com/pulumi/pulumi-kubernetes/pull/1360)
+- Fix concurrency issue in Helm + .NET SDK [#1311](https://github.com/pulumi/pulumi-kubernetes/issues/1311) and [#1374](https://github.com/pulumi/pulumi-kubernetes/issues/1374)
## 2.6.3 (October 12, 2020)
