diff --git a/api/python/setup.py b/api/python/setup.py
index c9c7c25ceaf..b1eb026c304 100644
--- a/api/python/setup.py
+++ b/api/python/setup.py
@@ -4,7 +4,7 @@
 from setuptools import setup, find_packages
 from setuptools.command.install import install
 
-VERSION = "3.1.2"
+VERSION = "3.1.3"
 
 def readme():
     readme_short = """
diff --git a/docs/API Reference/Bucket.md b/docs/API Reference/Bucket.md
index 84930d570a7..572c3b9c8e5 100644
--- a/docs/API Reference/Bucket.md	
+++ b/docs/API Reference/Bucket.md	
@@ -19,11 +19,6 @@ A new Bucket
 Updates this bucket's search endpoint based on a federation config.
 
 
-## Bucket.get\_user\_meta\_schema(self)  {#Bucket.get\_user\_meta\_schema}
-
-Returns the current search mappings for user metadata from the search endpoint.
-
-
 ## Bucket.search(self, query, limit=10)  {#Bucket.search}
 
 Execute a search against the configured search endpoint.
@@ -41,7 +36,6 @@ Query Syntax:
 
 __Returns__
 
-either the request object (in case of an error) or
 a list of objects with the following structure:
 ```
 [{
diff --git a/docs/API Reference/Package.md b/docs/API Reference/Package.md
index e57f385db2a..2c31ec7b0b4 100644
--- a/docs/API Reference/Package.md	
+++ b/docs/API Reference/Package.md	
@@ -4,7 +4,7 @@ In-memory representation of a package
 
 ## manifest
 
-Provides a generator of the dicts that make up the serialied package.
+Provides a generator of the dicts that make up the serialized package.
 
 
 ## top_hash
@@ -203,17 +203,27 @@ fail to create file
 fail to finish write
 
 
-## Package.set(self, logical\_key, entry=None, meta=None)  {#Package.set}
+## Package.set(self, logical\_key, entry=None, meta=None, serialization\_location=None, serialization\_format\_opts=None)  {#Package.set}
 
 Returns self with the object at logical_key set to entry.
 
 __Arguments__
 
 * __logical_key(string)__:  logical key to update
-* __entry(PackageEntry OR string)__:  new entry to place at logical_key in the package.
+* __entry(PackageEntry OR string OR object)__:  new entry to place at logical_key in the package.
     If entry is a string, it is treated as a URL, and an entry is created based on it.
     If entry is None, the logical key string will be substituted as the entry value.
+    If entry is an object and quilt knows how to serialize it, it will immediately be serialized and written
+    to disk, either to serialization_location or to a location managed by quilt. List of types that Quilt
+    can serialize is available by calling `quilt3.formats.FormatRegistry.all_supported_formats()`
 * __meta(dict)__:  user level metadata dict to attach to entry
+* __serialization_format_opts(dict)__:  Optional. If passed in, only used if entry is an object. Options to help
+    Quilt understand how the object should be serialized. Useful for underspecified file formats like csv
+    when content contains confusing characters. Will be passed as kwargs to the FormatHandler.serialize()
+    function. See docstrings for individual FormatHandlers for full list of options -
+* __https__: //github.com/quiltdata/quilt/blob/master/api/python/quilt3/formats.py
+* __serialization_location(string)__:  Optional. If passed in, only used if entry is an object. Where the
+    serialized object should be written, e.g. "./mydataframe.parquet"
 
 __Returns__
 
@@ -275,7 +285,7 @@ Performs a user-specified operation on each entry in the package.
 
 __Arguments__
 
-* __f__:  function
+* __f(x, y)__:  function
     The function to be applied to each package entry.
     It should take two inputs, a logical key and a PackageEntry.
 * __include_directories__:  bool
@@ -292,8 +302,9 @@ removing results that evaluate to False from the output.
 
 __Arguments__
 
-* __f__:  function
+* __f(x, y)__:  function
     The function to be applied to each package entry.
+    It should take two inputs, a logical key and a PackageEntry.
     This function should return a boolean.
 * __include_directories__:  bool
     Whether or not to include directory entries in the map.
diff --git a/docs/API Reference/api.md b/docs/API Reference/api.md
index 30c54e2f7ae..501af71b6a1 100644
--- a/docs/API Reference/api.md	
+++ b/docs/API Reference/api.md	
@@ -50,7 +50,7 @@ __Arguments__
 ## list\_packages(registry=None)  {#list\_packages}
 Lists Packages in the registry.
 
-Returns a list of all named packages in a registry.
+Returns a sequence of all named packages in a registry.
 If the registry is None, default to the local registry.
 
 __Arguments__
@@ -59,5 +59,5 @@ __Arguments__
 
 __Returns__
 
-A list of strings containing the names of the packages
+A sequence of strings containing the names of the packages