0.9.0

What's Changed

• Update the pty server with better logging by @sfc-gh-hyu in #27
• Create a connection pool and use one connection per task by @sfc-gh-hyu in #28
• Add custom observer that will update execution history table in snowflake by @sfc-gh-hyu in #29
• Add SnowflakeCacheStore to support resume. by @sfc-gh-hyu in #30
• Bump up version to 0.9.0 by @sfc-gh-hyu in #31

Full Changelog: 0.1.3...0.9.0