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@title Contributing Feature Requests
@group detail
Describes how to file an effective Phabricator feature request.
Describe Your Problem!
======================
IMPORTANT: When filing a feature request, you **MUST** describe the root
problem you are facing. We will not accept feature requests which do not
include a problem description. See below for details.
Overview
========
Have a feature you'd like to see in Phabricator? This article describes how
to file an effective feature request.
The most important things to do are:
- understand the upstream;
- make sure your feature makes sense in the project;
- align your expectations around timelines and priorities;
- describe your problem, not your solution; and
- file a task in
[[ http://secure.phabricator.com/u/newfeature/ | Maniphest ]].
The rest of this article walks through these points in detail.
If you have a bug report (not a feature request), see
@{article:Contributing Bug Reports} for a more tailored guide.
For general information on contributing to Phabricator, see
@{article:Contributor Introduction}.
Understanding the Upstream
==========================
Before filing a feature request, it may be useful to understand how the
upstream operates.
The Phabricator upstream is [[ https://www.phacility.com | Phacility, Inc ]].
We maintain total control over the project and roadmap. There is no democratic
process, voting, or community-driven decision making. This model is better
at some things and worse at others than a more community-focused model would
be, but it is the model we operate under.
We have a cohesive vision for the project in the long term, and a general
roadmap that extends for years into the future. While the specifics of how
we get there are flexible, many major milestones are well-established.
Although we set project direction, the community is also a critical part of
Phabricator. We aren't all-knowing, and we rely on feedback to help us identify
issues, guide product direction, prioritize changes, and suggest features.
Feature requests are an important part of this, but we ultimately build only
features which make sense as part of the long term plan.
Since it's hard to absorb a detailed understanding of that vision, //describing
a problem// is often more effective than //requesting a feature//. We have the
context to develop solutions which fit into our plans, address similar use
cases, make sense with the available infrastructure, and work within the
boundaries of our product vision. For more details on this, see below.
Target Audiences
================
Some feature requests support very unusual use cases. Although we are broadly
inclusive of many different kinds of users and use cases, we are not trying
to make the software all things to all users. Use cases which are far afield
from the things the majority of users do with Phabricator often face substantial
barriers.
Phabricator is primarily targeted at software projects and organizations with
a heavy software focus. We are most likely to design, build, and prioritize
features which serve these organizations and projects.
Phabricator is primarily targeted at software professionals and other
professionals with adjacent responsibilities (like project management and
operations). Particularly, we assume users are proficient computer users and
familiar with software development concepts. We are most likely to design, build
and prioritize features which serve these users.
Phabricator is primarily targeted at professionals working in teams on full-time
projects. Particularly, we assume most users will use the software regularly and
are often willing to spend a little more time up front to get a more efficient
workflow in the long run. We are most likely to design, build and prioritize
features which serve these use cases.
Phabricator is not limited to these kinds of organizations, users and use cases,
but features which are aimed at a different group of users (like students,
casual projects, or inexperienced computer users) may be harder to get
upstreamed. Features aimed at very different groups of users (like wedding
planners, book clubs, or dogs) will be much harder to get upstreamed.
In many cases, a feature makes something better for all users. For example,
suppose we fixed an issue where colorblind users had difficulty doing something.
Dogs would benefit the most, but colorblind human users would also benefit, and
no one would be worse off. If the benefit for core users is very small these
kinds of features may be hard to prioritize, but there is no exceptional barrier
to getting them upstreamed.
In other cases, a feature makes something better for some users and worse for
other users. These kinds of features face a high barrier if they make the
software better at planning weddings and worse at reviewing code.
Setting Expectations
====================
We have a lot of users and a small team. Even if your feature is something we're
interested in and a good fit for where we want the product to go, it may take
us a long time to get around to building it.
We work full time on Phabricator, and our long-term roadmap (which we call our
[[ https://secure.phabricator.com/w/starmap/ | Starmap ]]) has many years worth
of work. Your feature request is competing against thousands of other requests
for priority.
In general, we try to prioritize work that will have the greatest impact on the
most users. Many feature requests are perfectly reasonable requests, but have
very little impact, impact only a few users, and/or are complex to develop and
support relative to their impact. It can take us a long time to get to these.
Even if your feature request is simple and has substantial impact for a large
number of users, the size of the request queue means that it is mathematically
unlikely to be near the top.
You can find some information about how we prioritize in
[[ https://secure.phabricator.com/w/planning/ | Planning ]]. In particular,
we reprioritize frequently and can not accurately predict when we'll build a
feature which isn't very near to top of the queue.
As a whole, this means that the overwhelming majority of feature requests will
sit in queue for a long time without any updates, and that we won't be able to
give you any updates or predictions about timelines. One day, out of nowhere,
your feature will materialize. That day may be a decade from now. You should
have realistic expectations about this when filing a feature request.
If you want a concrete timeline, you can work with us to pay for some control
over our roadmap. For details, see
[[ https://secure.phabricator.com/w/prioritization/ | Prioritization ]].
Describe Problems
=================
When you file a feature request, we need you to describe the problem you're
facing first, not just your desired solution. Describing the problem you are
facing is the **most important part** of a feature request.
Often, your problem may have a lot in common with other similar problems. If we
understand your use case we can compare it to other use cases and sometimes find
a more powerful or more general solution which solves several problems at once.
At other times, we'll have a planned solution to the problem that might be
different from your desired solution but accomplish the same goal. Understanding
the root issue can let us merge and contextualize things.
Sometimes there's already a way to solve your problem that might just not be
obvious.
Finally, your proposed solution may not be compatible with the direction we
want to take the product, but we may be able to come up with another solution
which has approximately the same effect and does fit into the product direction.
If you only describe the solution and not the problem, we can't generalize,
contextualize, merge, reframe, or offer alternative solutions or workarounds.
You must describe the problem you are facing when filing a feature request. We
will not accept feature requests which do not contextualize the request by
describing the root problem.
If you aren't sure exactly what we're after when we ask you to describe a root
problem, you can find examples and more discussion in
@{article:Describing Root Problems}.
Hypotheticals
=============
We sometimes receive hypothetical feature requests about anticipated problems
or concerns which haven't actually occurred yet. We usually can't do much about
these until the problems actually occur, since the context required to
understand and properly fix the root issue won't exist.
One situation where this happens is when installs are thinking about adopting
Phabricator and trying to guess what problems users might encounter during the
transition. More generally, this includes any request like "if users do **X**,
they might find **Y** confusing", where no actual users have encountered
confusion yet.
These requests are necessarily missing important context, maybe including the
answers to questions like these:
- Why did users do **X**?
- What were they trying to do?
- What did they expect to happen?
- How often do users do this?
The answers to these questions are important in establishing that the issue is
really a problem, figuring out the best solution for it, and prioritizing the
issue relative to other issues.
Without knowing this information, we can't be confident that we've found a good
solution to the problem, can't know if we've actually fixed the problem, and
can't even know if the issue was really a problem in the first place (some
hypothetical requests describe problems which no users ever encounter).
We usually can't move forward without this information. In particular, we don't
want to spend time solving hypothetical problems which no real users will ever
encounter: the value of those changes is zero (or negative, by making the
product more complex without providing a benefit), but they consume development
time which could be better spent building much more valuable features.
Generally, you should wait until a problem actually occurs before filing a
request about it.
Create a Task in Maniphest
==========================
If you think your feature might be a good fit for the upstream, have reasonable
expectations about it, and have a good description of the problem you're trying
to solve, you're ready to file a feature request.
It is **particularly critical** that you describe the problem you are facing,
not just the feature you want. We will not accept feature requests which do
not describe the root problem the feature is intended to resolve.
(NOTE) https://secure.phabricator.com/u/newfeature/
Next Steps
==========
Continue by:
- learning about @{article: Contributing Bug Reports}; or
- reading general support information in @{article:Support Resources}; or
- returning to the @{article:Contributor Introduction}.
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