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---
breadcrumbs:
- - /blink
- Blink (Rendering Engine)
page_name: blink-triaging
title: Component:Blink bug labeling rotation
---
[Document with tips for bug
labeling](https://docs.google.com/document/d/1l9XehKEHAJu3-LnWDdXl8-t-8rz9dk8dy1bEI4zzUOU/edit)
## [Mapping of labels to owners and teams](https://docs.google.com/spreadsheets/d/19JEFMvsxD3eThyGiJRqAjcpx362LHUDdVzICAg7TYZA/edit#gid=0)
## Goal
Deliver Blink bugs in crbug.com to engineers who are responsible for the bug
area by adding Blink>*Foo* components.
## Example Instructions
We don't have a common instruction yet. The below is an example, and you don't
need to follow it. Important points are:
* Reduce the number of [Component=Blink
bugs](https://bugs.chromium.org/p/chromium/issues/list?can=2&q=Component%3DBlink)
* Newer bugs are important.
### Task 1: Handling Component=Blink issues (mandatory, daily)
1) Search for ["Component=Blink -Hotlist=CodeHealth -Needs=Feedback
-Needs=Reduction"](https://bugs.chromium.org/p/chromium/issues/list?can=2&q=Component%3DBlink+-Hotlist%3DCodeHealth+-Needs%3DFeedback+-Needs%3DReduction)
2) Read the issue description and comments and add Blink>*Foo* component and
remove Blink component, if the area/ownership is clear. Otherwise:
* If the issue has not enough information, ask for additional
information, add Needs-Feedback label, and add your email address to
Cc field.
Add a Next-Action value set to 14 days from the current date.
You're responsible for this bug. You should handle the bug until you
identify Blink areas or feedback timeout.
[This
link](https://bugs.chromium.org/p/chromium/issues/list?can=2&q=component%3DBlink+-Hotlist%3DCodeHealth+Needs%3DFeedback+cc%3Ame&colspec=ID+Pri+M+Stars+ReleaseBlock+Component+Status+Owner+Summary+OS+Modified&x=m&y=releaseblock&cells=tiles)
shows the list of bugs of this kind you are responsible for.
* If the issue doesn't seem to be reproducible, but plausible, add
Needs-TestConfirmation.
* If the reproduction is too complex to understand the culprit area,
add Needs-Reduction.
* If you understand the culprit, but can't find an appropriate
Blink>*Foo* component (eg. by looking at similar bugs resolved in
the not-too-distant past), email
[crblink-rotation@](https://groups.google.com/a/chromium.org/forum/#!forum/crblink-rotation)
(and/or add Hotlist-BlinkNoLabel, this is TBD). You should find an
owner if the bug looks serious.
**Task 2: Handling Component=UI issues (mandatory, daily)**
1) Search for untriaged
[Component=UI](https://bugs.chromium.org/p/chromium/issues/list?q=Component%3DUI%20-Needs%3DFeedback%20-Type%3DFeature%2CTask&can=2)
bugs
2) Read the issue description and add comments or move to sub-components of UI
or other components (including Blink sub-components as appropriate). Set
priorities as needed.
### Task 3: Handling issues without Component: field (optional)
Do the same things as task 1 and task 2 for issues without Component: field. If
an issue isn't related to Blink, add appropriate non-Blink components such as
Component:`UI`, Component:`Internals`.
* [Bugs created in the last 30 days without
owners](https://bugs.chromium.org/p/chromium/issues/list?q=-has%3Acomponent%20-reporter%3Achromium.org%20-label%3Aautofiled%20-label%3Aperformance%20-hotlist%3DHistogramEraser%20%20-hotlist%3DMetrics-Eraser%20opened%3Etoday-30%20-has%3Aowner&can=2)
* [Bugs that have owners but that haven't been modified in the last
year](https://bugs.chromium.org/p/chromium/issues/list?q=-has%3Acomponent%20-reporter%3Achromium.org%20-label%3Aautofiled%20-label%3Aperformance%20-hotlist%3DHistogramEraser%20%20-hotlist%3DMetrics-Eraser%20modified%3Ctoday-365%20has%3Aowner%20%20-hotlist%3DExpiredHistograms&can=2)
* [All bugs without
owners](https://bugs.chromium.org/p/chromium/issues/list?q=-has%3Acomponent%20-reporter%3Achromium.org%20-label%3Aautofiled%20-label%3Aperformance%20-hotlist%3DHistogramEraser%20%20-hotlist%3DMetrics-Eraser%20-has%3Aowner&can=2)
* [All
bugs](https://bugs.chromium.org/p/chromium/issues/list?can=2&q=-has%3Acomponent+-reporter%3Achromium.org+-label%3Aautofiled+-label%3Aperformance+-hotlist%3DHistogramEraser++-hotlist%3DMetrics-Eraser)
**Task 4: monitor stale P0/P1 security bugs (optional)**
* Review all result from [this
search](https://bugs.chromium.org/p/chromium/issues/list?can=2&q=Type%3DBug-Security+component%3Ablink+pri%3D0%2C1+modified%3Ctoday-30&colspec=ID+Pri+M+Stars+ReleaseBlock+Component+Status+Owner+Summary+OS+Modified&x=m&y=releaseblock&cells=ids).
* Check that the bug has an owner, the owner is actively working on
the issue, and is fixing. Re-assign, re-categorize or ping the bug
as appropriate.
**Deprecated:**
### Reducing/Confirming Component=Blink bugs (mandatory, daily)
1) Search for "[Component=Blink
Needs=Reduction](https://bugs.chromium.org/p/chromium/issues/list?can=2&q=Component%3DBlink+Needs%3DReduction)",
choose one, and investigate it to identify Blink areas by reading HTML/CSS/JS
code and/or making a reduction.
2) Add Blink>*Foo* components, remove Blink component and Needs-Reduction
when confirmed and updated the status accordingly, if needed.
## Contact
Public mailing list:
[crblink-rotation@chromium.org](https://groups.google.com/a/chromium.org/forum/#!forum/crblink-rotation)
(<https://groups.google.com/a/chromium.org/forum/#!forum/crblink-rotation>)
|
