Document subtypes / task types in Phabricator
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	Aklapper
	May 27 2019, 10:56 AM

Description

T93499 introduced task subtypes. I have no idea how to use them. Or how they should be used. Or how to apply or change them on an existing task. Or what that means for existing tags which predate this functionality and now partially duplicate it. Or if a task can only have one type.
Cannot find any documentation on https://www.mediawiki.org/wiki/Phabricator/Help

Related Objects

Mentioned In: T335395: Remove "Deadline" task subtype
T102: Decide whether we need to add a severity (impact) field to match Bugzilla's
T138380: Reading teams would like a tag to identify spikes
Mentioned Here: T93499: Add support for task types (subtypes)

Event Timeline

Aklapper created this task.May 27 2019, 10:56 AM

also see https://phabricator.wikimedia.org/phame/post/view/145/phab_phebruary/

Quiddity subscribed.May 27 2019, 3:36 PM

I made screenshots, but I don't know enough to write the words.
https://commons.wikimedia.org/wiki/File:Phabricator_task_subtypes.jpg
https://commons.wikimedia.org/wiki/File:Phabricator_task_create_subtask_subtypes.jpg

Pavithraes subscribed.May 27 2019, 3:57 PM

I'd like to confirm if the following screenshot is related to this task.

Change_Form_Subtype.png (591×1 px, 61 KB)

It's about setting/changing defaults for Forms, so it's related both to Forms and Subtypes. :)

Aklapper mentioned this in T138380: Reading teams would like a tag to identify spikes.Jul 6 2019, 12:08 PM

In T224417#5215068, @Quiddity wrote:

I made screenshots, but I don't know enough to write the words.
https://commons.wikimedia.org/wiki/File:Phabricator_task_subtypes.jpg
https://commons.wikimedia.org/wiki/File:Phabricator_task_create_subtask_subtypes.jpg

Thank you. Bizarre that such metadata about the task cannot be changed from the "edit task" button or any of the nearby buttons. Is there a bug upstream about this? (It's good to know whether this is a conscious design decision or just a temporary error, just to avoid documenting a bug as if it were a feature.)

Nemo_bis mentioned this in T102: Decide whether we need to add a severity (impact) field to match Bugzilla's.Aug 29 2019, 8:48 AM

• mmodell subscribed.Aug 29 2019, 10:04 PM

I described the high level of this stuff in https://phabricator.wikimedia.org/phame/post/view/147/projects_forms_and_subtypes_oh_my/

Task types control which form is used to edit a type and therefore which fields are available for that task type.

Changing the subtype of a task shouldn't be a very common thing - once a task of a given type is submitted it will generally not change type under normal circumstances.