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	244	February 27, 2026
Welcome to the Cylc and Rose Discourse forum Cylc Announce	1	2348	December 13, 2018
Make task run before any other task can run Cylc Support	1	14	May 4, 2026
Help with understanding cylc documentation Cylc Support	2	30	April 30, 2026
Advice on how to parametrize the environment Cylc Support	3	23	April 29, 2026
Annotated Cylc examples (physics‑motivated, work in progress) Tips	0	18	April 29, 2026
Website for viewing Cylc workflow logs (Cylc Hub?) Cylc Support	2	42	April 29, 2026
TUI/GUI not updating live – uiserver registers workflow as False Cylc Support	19	77	April 27, 2026
Cylc gui display disappears after workflow is completed Cylc Support	6	65	April 23, 2026
Cylc reinstall doesn't transfer over my new file Cylc Support	4	31	April 21, 2026
Using integer cycling to process many data files Tips	0	32	April 21, 2026
Possible issue with non standard versioning of metomi-isodatetime Rose Support	2	19	April 13, 2026
Cylc gui error on MacOS Tahoe Cylc Support	1	11	April 9, 2026
Please help with cycling behaviour Cylc Support	2	22	April 9, 2026
`rose_dry_run_mode` Rose Support	1	15	April 8, 2026
Cylc 8.6.2 how to grab execution time limit as variable Cylc Support	12	68	March 19, 2026
Mixing cycle and interval scheduling results in stall Cylc Support	6	28	March 18, 2026
Handling run host swaps in operational environment Cylc Support	13	56	March 17, 2026
Suggestions sought for handling complex workflow Cylc Support	10	78	March 10, 2026
Variable length task parameterisation Cylc Support	4	27	March 6, 2026
Persistent web UI view and colour scheme? Cylc Support	10	29	March 4, 2026
Skip retries on specific message output Cylc Support	1	25	March 2, 2026
Option to change order of click menu at task level Cylc Development	2	25	February 20, 2026
Workflow programmer position at Mercator-Océan Int'l Cylc Support	0	27	February 19, 2026
ApolloError: Response not successful: Received status code 403 Cylc Support	3	9	February 13, 2026
Kill task cylc 8.6.2 Cylc Development	14	100	February 13, 2026
[issue] platform not defined Cylc Support	8	49	February 2, 2026
Syntax and usage of 'cylc view' Cylc Support	8	63	January 22, 2026
Tip: UI Command Editor Tips	0	21	January 22, 2026
Trigger task at first and last Cycle point Tips	0	24	January 21, 2026

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…