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arangodb/Documentation/Books/Manual/ReleaseNotes/KnownIssues34.md

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Known Issues
============
The following known issues are present in this version of ArangoDB and will be fixed
in follow-up releases:
Installer
---------
* Rolling upgrades are not yet supported with the RC version of ArangoDB 3.4, when
there are multiple instances of the same ArangoDB version running on the same host,
and only some of them shall be upgraded, or they should be upgraded one after the
other.
* The windows installer doesn't offer a way to continue the installation if it failed
because of a locked database.
APIs
----
* the REST API for retrieving indexes at endpoint GET `/_api/index/?collection=<collection>`
will currently also return all links (type `arangosearch`) for views that refer to this
collection. The links will be removed from the results of this API in a later version.
* the REST API for retrieving a single index at endpoint GET `/_api/index/<indexname>` will
currently succeed for indexes used internally for links of views. These requests will
return a "not found" error in a later version.
Cluster
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* sometimes the shutdown order in the cluster will cause the shutdown to hang infinitely.