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Run the issue-labeler over pull requests using polling - #124023
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Pull request overview
This PR adds scheduled polling to the issue-labeler workflow to handle pull requests that miss automatic labeling, particularly Copilot-authored PRs which run with restricted permissions. The workflow now runs every 5 minutes to check for open, unlabeled PRs and applies labels retroactively.
Changes:
- Adds a cron schedule to poll for unlabeled PRs every 5 minutes
- Introduces a new
poll-pull-requestsjob that queries for open PRs without area labels - Modifies the
workflow_dispatchtrigger to accept empty PR lists, treating them as polling events - Updates the
predict-pull-labeljob to handle three scenarios: manual dispatch with PR numbers, polling events, and normal PR open events
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Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
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jeffhandley
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Copilot-authored pull requests run workflows with permissions lower than other PRs (including those submitted by external contributors). This blocks the issue-labeler workflow from being able to run on those PRs, leaving a prompt for the workflow to be approved. To run issue-labeler over these PRs as well as other PRs that have missed labeling (such as GitHub service interruptions when the events don't trigger), the PR label prediction workflow adds a cron schedule for as frequently as GitHub will run it (by using every 5 minutes). When triggered from the polling event, we collect the list of open and unlabeled PRs that have been updated since the last polling run (plus 5 extra minutes), and we run the issue-labeler prediction against those. This also updates the workflow_dispatch event to allow an empty list of PR numbers to force a polling event run. Addresses [(dotnet/issue-labeler#105) Pull Request Labeling does not run automatically for Copilot PRs](dotnet/issue-labeler#105). Replicated from dotnet/runtime#124023
This was referenced Feb 7, 2026
richlander
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Feb 8, 2026
Copilot-authored pull requests run workflows with permissions lower than other PRs (including those submitted by external contributors). This blocks the issue-labeler workflow from being able to run on those PRs, leaving a prompt for the workflow to be approved. To run issue-labeler over these PRs as well as other PRs that have missed labeling (such as GitHub service interruptions when the events don't trigger), the PR label prediction workflow adds a cron schedule for as frequently as GitHub will run it (by using every 5 minutes). When triggered from the polling event, we collect the list of open and unlabeled PRs that have been updated since the last polling run (plus 5 extra minutes), and we run the issue-labeler prediction against those. This also updates the workflow_dispatch event to allow an empty list of PR numbers to force a polling event run. Addresses [(dotnet/issue-labeler#105) Pull Request Labeling does not run automatically for Copilot PRs](dotnet/issue-labeler#105). Replicated from dotnet/runtime#124023
jeffhandley
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Feb 9, 2026
Copilot-authored pull requests run workflows with permissions lower than other PRs (including those submitted by external contributors). This blocks the issue-labeler workflow from being able to run on those PRs, leaving a prompt for the workflow to be approved. To run issue-labeler over these PRs as well as other PRs that have missed labeling (such as GitHub service interruptions when the events don't trigger), the PR label prediction workflow adds a cron schedule for as frequently as GitHub will run it (by using every 5 minutes). When triggered from the polling event, we collect the list of open and unlabeled PRs that have been updated since the last polling run (plus 5 extra minutes), and we run the issue-labeler prediction against those. This also updates the workflow_dispatch event to allow an empty list of PR numbers to force a polling event run. Addresses [(dotnet/issue-labeler#105) Pull Request Labeling does not run automatically for Copilot PRs](dotnet/issue-labeler#105) for this repository. Replicates dotnet/.github#20 and dotnet/runtime#124023. ### Notes Retains existing `LABEL_PREFIX: "Area: "` and `THRESHOLD: 0.40` configuration. <!-- START COPILOT ORIGINAL PROMPT --> <details> <summary>Original prompt</summary> > Replicate the change from dotnet/.github#20 into this repository, updating the workflow for labeling pull requests. Retain the existing configuration for the default label and the label prefix while adding the functionality for polling and allowing manual poll triggers. The PR should be titled, "Run the issue-labeler over pull requests using polling" and it should have a description of: Copilot-authored pull requests run workflows with permissions lower than other PRs (including those submitted by external contributors). This blocks the issue-labeler workflow from being able to run on those PRs, leaving a prompt for the workflow to be approved. > > To run issue-labeler over these PRs as well as other PRs that have missed labeling (such as GitHub service interruptions when the events don't trigger), the PR label prediction workflow adds a cron schedule for as frequently as GitHub will run it (by using every 5 minutes). When triggered from the polling event, we collect the list of open and unlabeled PRs that have been updated since the last polling run (plus 5 extra minutes), and we run the issue-labeler prediction against those. > > This also updates the workflow_dispatch event to allow an empty list of PR numbers to force a polling event run. > > Addresses [(dotnet/issue-labeler#105) Pull Request Labeling does not run automatically for Copilot PRs](dotnet/issue-labeler#105) for this repository. Replicates dotnet/.github#20 and dotnet/runtime#124023. </details> <!-- START COPILOT CODING AGENT SUFFIX --> Created from Copilot CLI via the copilot delegate command. <!-- START COPILOT CODING AGENT TIPS --> --- 💬 We'd love your input! Share your thoughts on Copilot coding agent in our [2 minute survey](https://gh.io/copilot-coding-agent-survey).
lewing
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Feb 9, 2026
Copilot-authored pull requests run workflows with permissions lower than other PRs (including those submitted by external contributors). This blocks the issue-labeler workflow from being able to run on those PRs, leaving a prompt for the workflow to be approved. To run issue-labeler over these PRs as well as other PRs that have missed labeling (such as GitHub service interruptions when the events don't trigger), the PR label prediction workflow adds a cron schedule for as frequently as GitHub will run it (by using every 5 minutes). When triggered from the polling event, we collect the list of open and unlabeled PRs that have been updated since the last polling run (plus 5 extra minutes), and we run the issue-labeler prediction against those. This also updates the workflow_dispatch event to allow an empty list of PR numbers to force a polling event run. Addresses [(dotnet/issue-labeler#105) Pull Request Labeling does not run automatically for Copilot PRs](dotnet/issue-labeler#105) for this repository. If this approach proves to work well for this repository, we will replicate the fix to other repos. --------- Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
Shyam-Gupta
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Copilot-authored pull requests run workflows with permissions lower than other PRs (including those submitted by external contributors). This blocks the issue-labeler workflow from being able to run on those PRs, leaving a prompt for the workflow to be approved. To run issue-labeler over these PRs as well as other PRs that have missed labeling (such as GitHub service interruptions when the events don't trigger), the PR label prediction workflow adds a cron schedule for as frequently as GitHub will run it (by using every 5 minutes). When triggered from the polling event, we collect the list of open and unlabeled PRs that have been updated since the last polling run (plus 5 extra minutes), and we run the issue-labeler prediction against those. This also updates the workflow_dispatch event to allow an empty list of PR numbers to force a polling event run. Addresses [(dotnet/issue-labeler#105) Pull Request Labeling does not run automatically for Copilot PRs](dotnet/issue-labeler#105) for this repository. Replicates dotnet/.github#20 and dotnet/runtime#124023. ###### Microsoft Reviewers: [Open in CodeFlow](https://microsoft.github.io/open-pr/?codeflow=https://github.com/dotnet/winforms/pull/14280)
iremyux
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Copilot-authored pull requests run workflows with permissions lower than other PRs (including those submitted by external contributors). This blocks the issue-labeler workflow from being able to run on those PRs, leaving a prompt for the workflow to be approved. To run issue-labeler over these PRs as well as other PRs that have missed labeling (such as GitHub service interruptions when the events don't trigger), the PR label prediction workflow adds a cron schedule for as frequently as GitHub will run it (by using every 5 minutes). When triggered from the polling event, we collect the list of open and unlabeled PRs that have been updated since the last polling run (plus 5 extra minutes), and we run the issue-labeler prediction against those. This also updates the workflow_dispatch event to allow an empty list of PR numbers to force a polling event run. Addresses [(dotnet/issue-labeler#105) Pull Request Labeling does not run automatically for Copilot PRs](dotnet/issue-labeler#105) for this repository. If this approach proves to work well for this repository, we will replicate the fix to other repos. --------- Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
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Copilot-authored pull requests run workflows with permissions lower than other PRs (including those submitted by external contributors). This blocks the issue-labeler workflow from being able to run on those PRs, leaving a prompt for the workflow to be approved.
To run issue-labeler over these PRs as well as other PRs that have missed labeling (such as GitHub service interruptions when the events don't trigger), the PR label prediction workflow adds a cron schedule for as frequently as GitHub will run it (by using every 5 minutes). When triggered from the polling event, we collect the list of open and unlabeled PRs that have been updated since the last polling run (plus 5 extra minutes), and we run the issue-labeler prediction against those.
This also updates the workflow_dispatch event to allow an empty list of PR numbers to force a polling event run.
Addresses (dotnet/issue-labeler#105) Pull Request Labeling does not run automatically for Copilot PRs for this repository. If this approach proves to work well for this repository, we will replicate the fix to other repos.