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@title Managing Conduit Changes
@group fieldmanual
Help with managing Conduit API changes.
Overview
========
Many parts of the Conduit API are stable, but some parts are subject to change.
For example, when we write a new application, it usually adds several new API
methods and may update older methods.
This document discusses API stability and how to minimize disruption when
transitioning between API versions.
Method Statuses
===============
Methods have one of three statuses:
- **Unstable**: This is a new or experimental method which is subject to
change. You may call these methods to get access to recently released
features, but should expect that you may need to adjust your usage of
them before they stabilize.
- **Stable**: This is an established method which generally will not change.
- **Deprecated**: This method will be removed in a future version of
Phabricator and callers should cease using it.
Normally, a method is deprecated only when it is obsolete or a new, more
powerful method is available to replace it.
Finding Deprecated Calls
========================
You can identify calls to deprecated methods in {nav Conduit > Call Logs}.
Use {nav My Deprecated Calls} to find calls to deprecated methods you have
made, and {nav Deprecated Call Logs} to find deprecated calls by all users.
You can also search for calls by specific users. For example, it may be useful
to search for any bot accounts you run to make sure they aren't calling
outdated APIs.
The most common cause of calls to deprecated methods is users running very
old versions of Arcanist. They can normally upgrade by running `arc upgrade`.
When the changelogs mention a method deprecation, you can use the call logs
to identify callers and notify them to upgrade or switch away. When the
changelogs mention a method removal, you can use the call logs to verify that
you will not be impacted.
Next Steps
==========
Continue by:
- returning to @{article:Conduit API Overview}.

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