Whether it is possible to coloring tasks based on "Linked issues"? For example, when I have a task which is blocked by another task, can I color this task on board? I searched here https://confluence.atlassian.com/jiracorecloud/advanced-searching-765593707.html , but I can't found a solution.
Changing the color of cards/tasks can be configured on Software projects, but not on Business (Core) ones.
However, JIRA's built-in function for retrieving issues linkedIssues() will not help achieving what you want, as it requires to include an issue key to work.
There are addons in the Atlassian Marketplace that might help you, though:
issueFunction in hasLinks(
"is blocked by"
)
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