[Checkmk Announce] New Checkmk stable release 2.0.0

Dear friends of Checkmk,
the new stable release 2.0.0 of Checkmk is ready for download.
We are proud to bring you the biggest Checkmk release yet, with major improvements to future-proof your IT monitoring.
Among the new features are a completely redesigned user interface with powerful visualization options, a REST-API, network flow monitoring, improved cloud and container monitoring, a new Check-API, plenty of new check plug-ins and many more things. We also did major changes under the hood including migrating 500k+ lines of Python code to Python 3.
Take a look at our latest version page to learn more about Checkmk 2.0: checkmk.com/product/latest-version
In the next months, we will be producing educational content in the form of user manual articles, blogs, videos, and community events to help you adapt to the changes in version 2.0. We will be announcing them on our monthly newsletter, our social channels (www.linkedin.com/showcase/checkmk/ and http://twitter.com/checkmk), and in the Checkmk Forum (forum.checkmk.com/). Stay tuned!
This stable release ships with 13 changes affecing all editions of Checkmk, 2 Enterprise Edition specific changes and 0 Managed Services Edition specific changes.
This release will be in active maintenance until 2022-08-31. The passive maintenance will be until 2024-02-22. For details take a look at the Checkmk versions chapter of the Checkmk handbook.
Changes in all Checkmk Editions:
Checks & agents: * 11855 FIX: The updating of the Windows agent no longer causes the disappearing of directories in the ProgramData * 12237 FIX: Network interface and switch port discovery parameters * 11952 FIX: cmciii: door sensor always returns CRIT status
Core & setup: * 12350 API: addition of get single downtime endpoint * 12348 FIX: API: adjusting code example for service endpoint * 12349 FIX: API: adjusting downtime doc examples and fixing downtime objects links * 12347 FIX: API: adjustment of code example for user endpoint * 12346 FIX: API: modifying the host and folder update endpoints NOTE: Please refer to the migration notes!
Setup: * 12283 FIX: Service discovery page: Do not fail in case of unknown manual check rules
User interface: * 12286 FIX: Fix GUI connection issues in distributed setups * 12225 FIX: Add service discovery rules to parameters of services page * 12221 FIX: Fix exporting of rules for API * 12223 FIX: Fix text wrap of wato error messages
Changes in the Checkmk Enterprise Edition:
Dynamic host configuration: * 12224 FIX: Dynamic configuration: Fix placement of “Execution has been triggered” message * 12222 FIX: Dynamic configuration: Fix example connector configuration NOTE: Please refer to the migration notes!
Changes in the Checkmk Managed Services Edition:

You can download Checkmk from our download page: * checkmk.com/download.php
Please mail bug reports and qualified feedback to feedback@checkmk.com. We greatly thank you for using Checkmk and wish you a successful monitoring,
Your Checkmk Team