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…	14	320	May 14, 2026
Welcome to the Cylc and Rose Discourse forum Cylc Announce	1	2361	December 13, 2018
Accessing workflow source directory from within task Cylc Support	2	34	May 29, 2026
CYLC_* variables; cannot access in user script Cylc Support	5	52	May 29, 2026
Tip: Jinja2 Macros Tips	0	28	May 24, 2026
Why cylc graph does not show Family Task Cylc Support	5	43	May 19, 2026
Reinstall a workflow from GUI Cylc Support	3	28	May 14, 2026
Ssh tunneling...channel 3: open failed Cylc Support	5	29	May 13, 2026
Website for viewing Cylc workflow logs (Cylc Hub?) Cylc Support	4	85	May 13, 2026
How to make two workflows depend upon each other Cylc Support	5	43	May 11, 2026
Make task run before any other task can run Cylc Support	2	36	May 6, 2026
Annotated Cylc examples (physics‑motivated, work in progress) Tips	1	50	May 5, 2026
Help with understanding cylc documentation Cylc Support	2	45	April 30, 2026
Advice on how to parametrize the environment Cylc Support	3	38	April 29, 2026
TUI/GUI not updating live – uiserver registers workflow as False Cylc Support	19	89	April 27, 2026
Cylc gui display disappears after workflow is completed Cylc Support	6	71	April 23, 2026
Cylc reinstall doesn't transfer over my new file Cylc Support	4	39	April 21, 2026
Using integer cycling to process many data files Tips	0	38	April 21, 2026
Possible issue with non standard versioning of metomi-isodatetime Rose Support	2	23	April 13, 2026
Cylc gui error on MacOS Tahoe Cylc Support	1	14	April 9, 2026
Please help with cycling behaviour Cylc Support	2	27	April 9, 2026
`rose_dry_run_mode` Rose Support	1	16	April 8, 2026
Cylc 8.6.2 how to grab execution time limit as variable Cylc Support	12	82	March 19, 2026
Mixing cycle and interval scheduling results in stall Cylc Support	6	35	March 18, 2026
Handling run host swaps in operational environment Cylc Support	13	65	March 17, 2026
Suggestions sought for handling complex workflow Cylc Support	10	92	March 10, 2026
Variable length task parameterisation Cylc Support	4	37	March 6, 2026
Persistent web UI view and colour scheme? Cylc Support	10	42	March 4, 2026
Skip retries on specific message output Cylc Support	1	31	March 2, 2026
Option to change order of click menu at task level Cylc Development	2	32	February 20, 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…