Cylc Workflow Engine

Topic	Replies	Views	Activity
Cylc 8.6 Released Cylc Announce We are delighted to announce the release of Cylc 8.6.0 This release contains one particularly notable change, Cylc IDs are no longer limited to matching n=0 tasks. For example, this means that cylc hold //1234/FAMILY wil…	12	195	February 27, 2026
Welcome to the Cylc and Rose Discourse forum Cylc Announce	1	2341	December 13, 2018
Mixing cycle and interval scheduling results in stall Cylc Support	6	15	March 18, 2026
Cylc 8.6.2 how to grab execution time limit as variable Cylc Support	10	39	March 18, 2026
Handling run host swaps in operational environment Cylc Support	13	32	March 17, 2026
TUI/GUI not updating live – uiserver registers workflow as False Cylc Support	6	16	March 13, 2026
Suggestions sought for handling complex workflow Cylc Support	10	61	March 10, 2026
Variable length task parameterisation Cylc Support	4	18	March 6, 2026
Persistent web UI view and colour scheme? Cylc Support	10	16	March 4, 2026
Skip retries on specific message output Cylc Support	1	21	March 2, 2026
Option to change order of click menu at task level Cylc Development	2	16	February 20, 2026
Workflow programmer position at Mercator-Océan Int'l Cylc Support	0	24	February 19, 2026
ApolloError: Response not successful: Received status code 403 Cylc Support	3	7	February 13, 2026
Kill task cylc 8.6.2 Cylc Development	14	80	February 13, 2026
[issue] platform not defined Cylc Support	8	44	February 2, 2026
Syntax and usage of 'cylc view' Cylc Support	8	52	January 22, 2026
Tip: UI Command Editor Tips	0	18	January 22, 2026
Trigger task at first and last Cycle point Tips	0	21	January 21, 2026
Tip: GUI searching and filtering Tips	0	19	January 15, 2026
Include a task in all but the first cycle point Cylc Support	6	944	January 13, 2026
Tip: held and retry indicators in the workflows sidebar Tips	0	30	January 12, 2026
Cylc job shebang Cylc Support	3	42	December 17, 2025
Question about cycling Cylc Support	2	36	December 5, 2025
Cylc keepalive best practices Cylc Support	1	43	December 5, 2025
Tip: New workflows sidebar in the GUI Tips	0	24	December 3, 2025
What's wrong with my flow.cylc? Cylc Support	6	52	December 2, 2025
App portability: /bin/sh Rose Announce	0	41	November 27, 2025
Tip: Job Script environment variables Tips	0	34	November 26, 2025
ECMWF, cylc not found error when using UKMO cylc installation remotely Cylc Support	1	45	November 25, 2025
Bug in graphing xtrigger dependencies? Cylc Support	9	60	November 21, 2025

Cylc 8.6 Released

We are delighted to announce the release of Cylc 8.6.0 This release contains one particularly notable change, Cylc IDs are no longer limited to matching n=0 tasks. For example, this means that cylc hold //1234/FAMILY wil…