README.md in fluent-plugin-bigquery-2.0.0.beta vs README.md in fluent-plugin-bigquery-2.0.0

@@ -1,8 +1,8 @@
 # fluent-plugin-bigquery
 
-**This README is for v2.0.0.beta. but it is not released yet. sorry.**
+**This README is for v2.0.0.beta**
 
 [Fluentd](http://fluentd.org) output plugin to load/insert data into Google BigQuery.
 
 - **Plugin type**: Output
 
@@ -16,15 +16,17 @@
   * https://developers.google.com/bigquery/loading-data-into-bigquery
 
 Current version of this plugin supports Google API with Service Account Authentication, but does not support
 OAuth flow for installed applications.
 
-## Version Information
-v1.0.0 or later supports fluentd-0.14.0 or later.
-If you use fluentd-0.12.x, please use v0.4.x.
+## Support Version
 
-I recommend to update fluentd version to v0.14.x or later.
+| plugin version | fluentd version | ruby version |
+| :-----------   | :-----------    | :----------- |
+| v0.4.x         | 0.12.x          | 2.0 or later |
+| v1.x.x         | 0.14.x or later | 2.2 or later |
+| v2.x.x         | 0.14.x or later | 2.3 or later |
 
 ## With docker image
 If you use official alpine based fluentd docker image (https://github.com/fluent/fluentd-docker-image),
 You need to install `bigdecimal` gem on your own dockerfile.
 Because alpine based image has only minimal ruby environment in order to reduce image size.
@@ -56,9 +58,10 @@
 | fetch_schema_table                     | string        | no                                           | yes          | nil                        | If set, fetch table schema definition from this table, If fetch_schema is false, this param is ignored |
 | schema_cache_expire                    | integer       | no                                           | no           | 600                        | Value is second. If current time is after expiration interval, re-fetch table schema definition.       |
 | request_timeout_sec                    | integer       | no                                           | no           | nil                        | Bigquery API response timeout                                                                          |
 | request_open_timeout_sec               | integer       | no                                           | no           | 60                         | Bigquery API connection, and request timeout. If you send big data to Bigquery, set large value.       |
 | time_partitioning_type                 | enum          | no (either day)                              | no           | nil                        | Type of bigquery time partitioning feature(experimental feature on BigQuery).                          |
+| time_partitioning_field                | string        | no                                           | no           | nil                        | Field used to determine how to create a time-based partition(experimental feature on BigQuery).        |
 | time_partitioning_expiration           | time          | no                                           | no           | nil                        | Expiration milliseconds for bigquery time partitioning. (experimental feature on BigQuery)             |
 
 #### bigquery_insert
 
 | name                                   | type          | required?    | placeholder? | default                    | description                                                                                                                                                                                |