Migrate Jira integration from deprecated API v2 to v3 endpoints

[Claude]

Atlassian removed Jira API v2 endpoints (/rest/api/2/search, /rest/api/2/field, /rest/api/2/serverInfo) effective May 2025. The integration was failing with "The requested API has been removed. Please migrate to the /rest/api/3/search/jql API."

Changes

• Configure Python jira library to use API v3 by passing options={"api_version": 3} to the JIRA client constructor in jiralib.py

This ensures all API calls automatically use the v3 endpoints:

• /rest/api/2/search → /rest/api/3/search/jql
• /rest/api/2/field → /rest/api/3/field
• /rest/api/2/serverInfo → /rest/api/3/serverInfo

# jiralib.py:53
self.j = JIRA(url, basic_auth=(user, token), options={"api_version": 3})

Original prompt

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This section details on the original issue you should resolve

<issue_title>Integration nonfunctional - must use new Jira API endpoints</issue_title>
<issue_description>Integration failed with message:

"text: The requested API has been removed. Please migrate to the /rest/api/3/search/jql API. A full migration guideline is available at https://developer.atlassian.com/changelog/#CHANGE-2046"

Note the endpoints for which requests to Jira failed are:
/rest/api/2/search
/rest/api/2/field
/rest/api/2/serverInfo

The search function is being replaced by:
/rest/api/3/search/jql</issue_description>

<agent_instructions>We need to switch off of deprecated endpoints mentioned in the PR description. </agent_instructions>

Comments on the Issue (you are @claude[agent] in this section)

@zkoppert I'm not aware of anyone actively maintaining this repo. It is likely one that should be archived. @zkoppert Are either of you interested in reviewing an API update to this integration? @AndreiRosu @jacksonblalock

I could take a try at converting it over to the new endpoints but I don't have a test setup. I'd prefer not to leave you all hanging if this is something that is really needed.</comment_new>

• Fixes Integration nonfunctional - must use new Jira API endpoints #116

[jmeridth]

LGTM

[zkoppert]

Cc/ @jacksonblalock

[Copilot]

Pull request overview

Updates the Jira client initialization to target Jira REST API v3 endpoints, addressing failures caused by removed v2 endpoints in newer Jira environments.

Changes:

• Configure the python-jira JIRA client with options={"api_version": 3}.

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[Copilot]

This hard-codes Jira REST API v3 for all deployments. The repo documentation and CLI/action inputs currently describe targeting a “Jira Server instance”; Jira Server/Data Center may not expose the v3 REST API, so this change could break those users. Consider making the REST API version configurable (e.g., input/env var with a default aligned to documented support) or implementing a simple fallback/auto-detect, and update the docs accordingly.