Backport PR #1683: Update release notes for 1.7.1 (#1686)

Co-authored-by: Isaac Virshup <[email protected]>

docs/release-notes/1.7.1.rst

@@ -1,11 +1,14 @@
-1.7.1 :small:`the future`
+1.7.1 :small:`2021-02-24`
 ~~~~~~~~~~~~~~~~~~~~~~~~~
 
-.. rubric:: Performance enhancements
+.. rubric:: Documentation
+
+- More twitter handles for core devs :pr:`1676` :smaller:`G Eraslan`
 
 .. rubric:: Bug fixes
 
 - :func:`~scanpy.tl.dendrogram` use `1 - correlation` as distance matrix to compute the dendrogram :pr:`1614` :smaller:`F Ramirez`
 - Fixed :func:`~scanpy.get.obs_df`/ :func:`~scanpy.get.var_df` erroring when `keys` not passed :pr:`1637` :smaller:`I Virshup`
-
-.. rubric:: Deprecations
+- Fixed argument handling for :func:`scanpy.external.pp.scrublet` :smaller:`J Manning`
+- Fixed passing of `kwargs` to :func:`scanpy.pl.violin` when `stripplot` was also used :pr:`1655` :smaller:`M van den Beek`
+- Fixed colorbar creation in `scanpy.pl.timeseries_as_heatmap` :pr:`1654` :smaller:`M van den Beek`