On Monday we released version

0.16.9

of the

pulumi

CLI, which includes a fix for a recent performance regression. If you've been noticing slowness during

pulumi update

operations, update to the latest release to pick up this fix (and a couple additional small improvements!). More details: https://github.com/pulumi/pulumi/blob/master/CHANGELOG.md#0169-released-december-24th-2018