1.8.0 release notes

Author: zimingd

release_notes/release-1.8.0.md

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+# Release notes - Synapse Python Client - Version 1.8.0
+
+**Install Instructions:** `pip install --upgrade synapseclient` or see [http://docs.synapse.org/python/#installation](http://docs.synapse.org/python/#installation)  
+**Documentation:** [http://docs.synapse.org/python/](http://docs.synapse.org/python/)
+
+**Release Date:** 7-May-2018 
+
+--------------------------------------------------
+
+This release has 2 major changes:
+* The client will no longer store your saved credentials in your synapse cache (`~/synapseCache/.session`). The python client now relies on [keyring](https://pypi.org/project/keyring/) to handle credential storage of your Synapse credentials. 
+
+* The client also now uses connection pooling, which means that all method calls that connect to Synapse should now be faster.
+
+The remaining changes are bugfixes and cleanup of test code.
+
+
+Below are the full list of issues addressed by this release:
+
+Bug
+---
+
+*   \[[SYNPY-654](https://sagebionetworks.jira.com/browse/SYNPY-654)\] \- syn.getColumns does not terminate
+*   \[[SYNPY-658](https://sagebionetworks.jira.com/browse/SYNPY-658)\] \- Security vunerability on clusters
+*   \[[SYNPY-689](https://sagebionetworks.jira.com/browse/SYNPY-689)\] \- Wiki's attachments cannot be None
+*   \[[SYNPY-692](https://sagebionetworks.jira.com/browse/SYNPY-692)\] \- synapseutils.sync.generateManifest() sets contentType incorrectly
+*   \[[SYNPY-693](https://sagebionetworks.jira.com/browse/SYNPY-693)\] \- synapseutils.sync.generateManifest() UnicodeEncodingError in python 2
+
+Task
+----
+
+*   \[[SYNPY-617](https://sagebionetworks.jira.com/browse/SYNPY-617)\] \- Remove use of deprecated service to delete table rows
+*   \[[SYNPY-673](https://sagebionetworks.jira.com/browse/SYNPY-673)\] \- Fix Integration Tests being run on Appveyor
+*   \[[SYNPY-683](https://sagebionetworks.jira.com/browse/SYNPY-683)\] \- Clean up print()s used in unit/integration tests
+
+Improvement
+-----------
+
+*   \[[SYNPY-408](https://sagebionetworks.jira.com/browse/SYNPY-408)\] \- Add bettter error messages when /filehandle/batch fails.
+*   \[[SYNPY-647](https://sagebionetworks.jira.com/browse/SYNPY-647)\] \- Use connection pooling for Python client's requests