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[bug]: Target due date cannot be set to a lower date #10168
Description
Is there an existing issue for this?
- I have searched the existing issues
Current behavior
Oddly, In the timeline view I cannot seem to set events that have a "due date of Tuesday" to a "due date of Monday".
The API call appears successful:
URL: /api/workspaces/jlinc/projects/8345ce7b-0397-4a97-8579-7a1fbacbe0ae/issue-dates/
Request:
{"updates":[{"id":"a9d31881-683b-46a5-b232-40b9f7b41c56","meta":{"project_id":"8345ce7b-0397-4a97-8579-7a1fbacbe0ae"},"start_date":"2026-10-20","target_date":"2026-11-09"}]}Response:
{"message":"Issues updated successfully"}The logs show responsive:
|plane-worker | 2026-11-02T15:15:37.107017842Z [2026-11-02 15:15:37,105: INFO/MainProcess] Task plane.bgtasks.issue_activities_task.issue_activity[cf582cb3-2b0a-4c8b-86e6-3a277a56fed9] received
|plane-worker | 2026-11-02T15:15:37.107061023Z {"levelname": "INFO", "asctime": "2026-11-02 15:15:37,105", "module": "strategy", "name": "celery.worker.strategy", "message": "Task plane.bgtasks.issue_activities_task.issue_activity[cf582cb3-2b0a-4c8b-86e6-3a277a56fed9] received", "data": {"id": "cf582cb3-2b0a-4c8b-86e6-3a277a56fed9", "name": "plane.bgtasks.issue_activities_task.issue_activity", "args": "()", "kwargs": "{'type': 'issue.activity.updated', 'requested_data': '{\"start_date\": \"2026-10-20\"}', 'current_instance': '{\"start_date\": \"2026-10-20\"}', 'issue_id': 'a9d31881-683b-46a5-b232-40b9f7b41c56', 'actor_id': '7a5a362a-779e-45d9-a995-b7cef5c8752f', 'project_id': '8345ce7b-0397-4a97-8579-7a1fbacbe0ae', 'epoch': 1793632537}", "eta": null}}
|plane-worker | 2026-11-02T15:15:37.107072613Z [2026-11-02 15:15:37,106: INFO/MainProcess] Task plane.bgtasks.issue_activities_task.issue_activity[d5cf7a71-ea1f-4010-82ab-096c7209dec2] received
|plane-worker | 2026-11-02T15:15:37.107079423Z {"levelname": "INFO", "asctime": "2026-11-02 15:15:37,106", "module": "strategy", "name": "celery.worker.strategy", "message": "Task plane.bgtasks.issue_activities_task.issue_activity[d5cf7a71-ea1f-4010-82ab-096c7209dec2] received", "data": {"id": "d5cf7a71-ea1f-4010-82ab-096c7209dec2", "name": "plane.bgtasks.issue_activities_task.issue_activity", "args": "()", "kwargs": "{'type': 'issue.activity.updated', 'requested_data': '{\"target_date\": \"2026-11-09\"}', 'current_instance': '{\"target_date\": \"2026-11-09\"}', 'issue_id': 'a9d31881-683b-46a5-b232-40b9f7b41c56', 'actor_id': '7a5a362a-779e-45d9-a995-b7cef5c8752f', 'project_id': '8345ce7b-0397-4a97-8579-7a1fbacbe0ae', 'epoch': 1793632537}", "eta": null}}
|plane-api | 2026-11-02T15:15:37.116739761Z {"levelname": "INFO", "asctime": "2026-11-02 15:15:37,115", "module": "logger", "name": "plane.api.request", "message": "POST /api/workspaces/jlinc/projects/8345ce7b-0397-4a97-8579-7a1fbacbe0ae/issue-dates/ 200", "path": "/api/workspaces/jlinc/projects/8345ce7b-0397-4a97-8579-7a1fbacbe0ae/issue-dates/", "method": "POST", "status_code": 200, "duration_ms": 58, "remote_addr": "198.255.136.45", "user_agent": "Mozilla/5.0 (X11; Linux x86_64; rv:140.0) Gecko/20100101 Firefox/140.0", "user_id": "7a5a362a-779e-45d9-a995-b7cef5c8752f"}
However the timeline doesn't change. A refresh hits the URL to grab the item, and it shows unchanged:
URL: /api/workspaces/jlinc/projects/8345ce7b-0397-4a97-8579-7a1fbacbe0ae/issues/a9d31881-683b-46a5-b232-40b9f7b41c56/
Response:
{
"id": "a9d31881-683b-46a5-b232-40b9f7b41c56",
"name": "Integrate MCNP with Civic fallback",
"state_id": "d6b27c85-2f6c-44ec-9e68-a15d10a31f54",
"sort_order": 335535.0,
"completed_at": null,
"estimate_point": null,
"priority": "none",
"start_date": "2026-10-20",
"target_date": "2026-11-10",
"sequence_id": 42,
"project_id": "8345ce7b-0397-4a97-8579-7a1fbacbe0ae",
"parent_id": null,
"cycle_id": null,
"module_ids": [],
"label_ids": [],
"assignee_ids": [],
"sub_issues_count": null,
"created_at": "2026-10-08T15:06:17.437639Z",
"updated_at": "2026-11-02T15:23:34.733270Z",
"created_by": "7a5a362a-779e-45d9-a995-b7cef5c8752f",
"updated_by": "7a5a362a-779e-45d9-a995-b7cef5c8752f",
"attachment_count": null,
"link_count": null,
"is_draft": false,
"archived_at": null,
"description_html": "",
"is_subscribed": true,
"issue_reactions": [],
"issue_link": [],
"parent": {},
"issue_attachments": []
}Steps to reproduce
- Set due date to a Tuesday in the future
- Try to set due date to the Monday before
Environment
Production
Browser
Mozilla Firefox
Edition
Community
Version
1.4.2
Metadata
Metadata
Type
Fields
Edition
None yet
Version
None yet
Activity
makeplane commentedon Nov 2, 2026
Synced with Plane Workspace 🔄
[GIT-401] [bug]: Target due date cannot be set to a lower date