v1.0

• First production-ready release

• Save a copy of pending changelists for consistent content between jobs

• Allow partial syncing via sync plugin option

• Less client creation churn

• Support overriding client options such as 'noclobber' and 'allwrite' via client_options plugin option

v0.9

• Unshelve pending changelists supplied via BUILDKITE_BRANCH
• Progress indicator and summary when syncing
• Unique client names per buildkite-agent
• Support BUILDKITE_CLEAN_CHECKOUT

v0.8

• Improved handling of corrupted/deleted workspaces
• Write a p4config to root of workspace as a marker file (so you can more easily manipulate workspaces by remoting in and/or and so we can detect when workspace has been deleted from disk)
• Close p4 connections when finished
• Allow parallel syncs
• Fix client name clashes when running multiple buildkite agents on one host

v0.5

Proof-of-concept