Update readme

Author: rbenes

doc/source/whatsnew/v1.1.0.rst

@@ -104,7 +104,7 @@ Other enhancements
 Increased minimum versions for dependencies
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
-Some minimum supported versions of dependencies were updated (:issue:`29766`, :issue:`29723`).
+Some minimum supported versions of dependencies were updated (:issue:`29766`, :issue:`29723`, pytables >= 3.4.3).
 If installed, we now require:
 
 +-----------------+-----------------+----------+---------+
@@ -113,6 +113,49 @@ If installed, we now require:
 | python-dateutil | 2.7.3           |    X     |         |
 +-----------------+-----------------+----------+---------+
 
+For `optional libraries <https://dev.pandas.io/docs/install.html#dependencies>`_ the general recommendation is to use the latest version.
+The following table lists the lowest version per library that is currently being tested throughout the development of pandas.
+Optional libraries below the lowest tested version may still work, but are not considered supported.
+
++-----------------+-----------------+---------+
+| Package         | Minimum Version | Changed |
++=================+=================+=========+
+| beautifulsoup4  | 4.6.0           |         |
++-----------------+-----------------+---------+
+| fastparquet     | 0.3.2           |         |
++-----------------+-----------------+---------+
+| gcsfs           | 0.2.2           |         |
++-----------------+-----------------+---------+
+| lxml            | 3.8.0           |         |
++-----------------+-----------------+---------+
+| matplotlib      | 2.2.2           |         |
++-----------------+-----------------+---------+
+| numba           | 0.46.0          |         |
++-----------------+-----------------+---------+
+| openpyxl        | 2.5.7           |         |
++-----------------+-----------------+---------+
+| pyarrow         | 0.13.0          |         |
++-----------------+-----------------+---------+
+| pymysql         | 0.7.1           |         |
++-----------------+-----------------+---------+
+| pytables        | 3.4.2           |    X    |
++-----------------+-----------------+---------+
+| s3fs            | 0.3.0           |         |
++-----------------+-----------------+---------+
+| scipy           | 0.19.0          |         |
++-----------------+-----------------+---------+
+| sqlalchemy      | 1.1.4           |         |
++-----------------+-----------------+---------+
+| xarray          | 0.8.2           |         |
++-----------------+-----------------+---------+
+| xlrd            | 1.1.0           |         |
++-----------------+-----------------+---------+
+| xlsxwriter      | 0.9.8           |         |
++-----------------+-----------------+---------+
+| xlwt            | 1.2.0           |         |
++-----------------+-----------------+---------+
+
+See :ref:`install.dependencies` and :ref:`install.optional_dependencies` for more.
 
 Development Changes
 ^^^^^^^^^^^^^^^^^^^