diff --git a/bin/commands/apps_datastore.rb b/bin/commands/apps_datastore.rb
index fc1cfcef..ce708fb6 100644
--- a/bin/commands/apps_datastore.rb
+++ b/bin/commands/apps_datastore.rb
@@ -6,6 +6,39 @@ module Cli
     class App
       desc 'AppsDatastore methods.'
       command 'apps_datastore' do |g|
+        g.desc 'Delete items from a datastore in bulk'
+        g.long_desc %( Delete items from a datastore in bulk )
+        g.command 'bulkDelete' do |c|
+          c.flag 'datastore', desc: 'name of the datastore.'
+          c.flag 'ids', desc: 'IDs of items to be deleted.'
+          c.flag 'app_id', desc: '.'
+          c.action do |_global_options, options, _args|
+            puts JSON.dump(@client.apps_datastore_bulkDelete(options))
+          end
+        end
+
+        g.desc 'Get items from a datastore in bulk'
+        g.long_desc %( Get items from a datastore in bulk )
+        g.command 'bulkGet' do |c|
+          c.flag 'datastore', desc: 'name of the datastore.'
+          c.flag 'ids', desc: "items' ids."
+          c.flag 'app_id', desc: '.'
+          c.action do |_global_options, options, _args|
+            puts JSON.dump(@client.apps_datastore_bulkGet(options))
+          end
+        end
+
+        g.desc 'Creates or replaces existing items in bulk'
+        g.long_desc %( Creates or replaces existing items in bulk )
+        g.command 'bulkPut' do |c|
+          c.flag 'datastore', desc: 'name of the datastore.'
+          c.flag 'items', desc: 'attribute names and values of the items.'
+          c.flag 'app_id', desc: '.'
+          c.action do |_global_options, options, _args|
+            puts JSON.dump(@client.apps_datastore_bulkPut(options))
+          end
+        end
+
         g.desc 'Delete an item from a datastore'
         g.long_desc %( Delete an item from a datastore )
         g.command 'delete' do |c|
diff --git a/bin/commands/oauth.rb b/bin/commands/oauth.rb
index 57eda82d..d7b79de7 100644
--- a/bin/commands/oauth.rb
+++ b/bin/commands/oauth.rb
@@ -9,8 +9,8 @@ class App
         g.desc 'Exchanges a temporary OAuth verifier code for an access token.'
         g.long_desc %( Exchanges a temporary OAuth verifier code for an access token. )
         g.command 'access' do |c|
-          c.flag 'client_id', desc: 'Issued when you created your application.'
-          c.flag 'client_secret', desc: 'Issued when you created your application.'
+          c.flag 'client_id', desc: 'Issued when you created your application. If possible, avoid sending client_id and client_secret as parameters in your request and instead supply the Client ID and Client Secret using the HTTP Basic authentication scheme.'
+          c.flag 'client_secret', desc: 'Issued when you created your application. If possible, avoid sending client_id and client_secret as parameters in your request and instead supply the Client ID and Client Secret using the HTTP Basic authentication scheme.'
           c.flag 'code', desc: 'The code param returned via the OAuth callback.'
           c.flag 'redirect_uri', desc: 'This must match the originally submitted URI (if one was sent).'
           c.flag 'single_channel', desc: 'Request the user to add your app only to a single channel. Only valid with a legacy workspace app.'
diff --git a/bin/commands/oauth_v2.rb b/bin/commands/oauth_v2.rb
index ff9bb5c9..af40e722 100644
--- a/bin/commands/oauth_v2.rb
+++ b/bin/commands/oauth_v2.rb
@@ -9,8 +9,8 @@ class App
         g.desc 'Exchanges a temporary OAuth verifier code for an access token.'
         g.long_desc %( Exchanges a temporary OAuth verifier code for an access token. )
         g.command 'access' do |c|
-          c.flag 'client_id', desc: 'Issued when you created your application.'
-          c.flag 'client_secret', desc: 'Issued when you created your application.'
+          c.flag 'client_id', desc: 'Issued when you created your application. If possible, avoid sending client_id and client_secret as parameters in your request and instead supply the Client ID and Client Secret using the HTTP Basic authentication scheme.'
+          c.flag 'client_secret', desc: 'Issued when you created your application. If possible, avoid sending client_id and client_secret as parameters in your request and instead supply the Client ID and Client Secret using the HTTP Basic authentication scheme.'
           c.flag 'code', desc: 'The code param returned via the OAuth callback.'
           c.flag 'grant_type', desc: 'The grant_type param as described in the OAuth spec.'
           c.flag 'redirect_uri', desc: 'This must match the originally submitted URI (if one was sent).'
diff --git a/lib/slack/web/api/endpoints/apps_datastore.rb b/lib/slack/web/api/endpoints/apps_datastore.rb
index bba1df50..a6aaaf2a 100644
--- a/lib/slack/web/api/endpoints/apps_datastore.rb
+++ b/lib/slack/web/api/endpoints/apps_datastore.rb
@@ -6,6 +6,57 @@ module Web
     module Api
       module Endpoints
         module AppsDatastore
+          #
+          # Delete items from a datastore in bulk
+          #
+          # @option options [string] :datastore
+          #   name of the datastore.
+          # @option options [array] :ids
+          #   IDs of items to be deleted.
+          # @option options [Object] :app_id
+          #   .
+          # @see https://api.slack.com/methods/apps.datastore.bulkDelete
+          # @see https://github.com/slack-ruby/slack-api-ref/blob/master/methods/apps.datastore/apps.datastore.bulkDelete.json
+          def apps_datastore_bulkDelete(options = {})
+            raise ArgumentError, 'Required arguments :datastore missing' if options[:datastore].nil?
+            raise ArgumentError, 'Required arguments :ids missing' if options[:ids].nil?
+            post('apps.datastore.bulkDelete', options)
+          end
+
+          #
+          # Get items from a datastore in bulk
+          #
+          # @option options [string] :datastore
+          #   name of the datastore.
+          # @option options [array] :ids
+          #   items' ids.
+          # @option options [Object] :app_id
+          #   .
+          # @see https://api.slack.com/methods/apps.datastore.bulkGet
+          # @see https://github.com/slack-ruby/slack-api-ref/blob/master/methods/apps.datastore/apps.datastore.bulkGet.json
+          def apps_datastore_bulkGet(options = {})
+            raise ArgumentError, 'Required arguments :datastore missing' if options[:datastore].nil?
+            raise ArgumentError, 'Required arguments :ids missing' if options[:ids].nil?
+            post('apps.datastore.bulkGet', options)
+          end
+
+          #
+          # Creates or replaces existing items in bulk
+          #
+          # @option options [string] :datastore
+          #   name of the datastore.
+          # @option options [array] :items
+          #   attribute names and values of the items.
+          # @option options [Object] :app_id
+          #   .
+          # @see https://api.slack.com/methods/apps.datastore.bulkPut
+          # @see https://github.com/slack-ruby/slack-api-ref/blob/master/methods/apps.datastore/apps.datastore.bulkPut.json
+          def apps_datastore_bulkPut(options = {})
+            raise ArgumentError, 'Required arguments :datastore missing' if options[:datastore].nil?
+            raise ArgumentError, 'Required arguments :items missing' if options[:items].nil?
+            post('apps.datastore.bulkPut', options)
+          end
+
           #
           # Delete an item from a datastore
           #
diff --git a/lib/slack/web/api/endpoints/oauth.rb b/lib/slack/web/api/endpoints/oauth.rb
index 0106c658..cf1a8083 100644
--- a/lib/slack/web/api/endpoints/oauth.rb
+++ b/lib/slack/web/api/endpoints/oauth.rb
@@ -10,9 +10,9 @@ module Oauth
           # Exchanges a temporary OAuth verifier code for an access token.
           #
           # @option options [string] :client_id
-          #   Issued when you created your application.
+          #   Issued when you created your application. If possible, avoid sending client_id and client_secret as parameters in your request and instead supply the Client ID and Client Secret using the HTTP Basic authentication scheme.
           # @option options [string] :client_secret
-          #   Issued when you created your application.
+          #   Issued when you created your application. If possible, avoid sending client_id and client_secret as parameters in your request and instead supply the Client ID and Client Secret using the HTTP Basic authentication scheme.
           # @option options [string] :code
           #   The code param returned via the OAuth callback.
           # @option options [string] :redirect_uri
diff --git a/lib/slack/web/api/endpoints/oauth_v2.rb b/lib/slack/web/api/endpoints/oauth_v2.rb
index d666918a..2f1f3f1e 100644
--- a/lib/slack/web/api/endpoints/oauth_v2.rb
+++ b/lib/slack/web/api/endpoints/oauth_v2.rb
@@ -10,9 +10,9 @@ module OauthV2
           # Exchanges a temporary OAuth verifier code for an access token.
           #
           # @option options [string] :client_id
-          #   Issued when you created your application.
+          #   Issued when you created your application. If possible, avoid sending client_id and client_secret as parameters in your request and instead supply the Client ID and Client Secret using the HTTP Basic authentication scheme.
           # @option options [string] :client_secret
-          #   Issued when you created your application.
+          #   Issued when you created your application. If possible, avoid sending client_id and client_secret as parameters in your request and instead supply the Client ID and Client Secret using the HTTP Basic authentication scheme.
           # @option options [string] :code
           #   The code param returned via the OAuth callback.
           # @option options [string] :grant_type
diff --git a/lib/slack/web/api/errors.rb b/lib/slack/web/api/errors.rb
index 24aec502..c3901c65 100644
--- a/lib/slack/web/api/errors.rb
+++ b/lib/slack/web/api/errors.rb
@@ -481,6 +481,7 @@ class PaidTeamsOnly < SlackError; end
         class ParameterValidationFailed < SlackError; end
         class ParentBookmarkDisabled < SlackError; end
         class ParentWithLink < SlackError; end
+        class PartialFailure < SlackError; end
         class PartialProfileSetFailed < SlackError; end
         class PermissionDenied < SlackError; end
         class PlanUpgradeRequired < SlackError; end
@@ -1103,6 +1104,7 @@ class WorkflowsExportCsvNotEnabled < SlackError; end
           'parameter_validation_failed' => ParameterValidationFailed,
           'parent_bookmark_disabled' => ParentBookmarkDisabled,
           'parent_with_link' => ParentWithLink,
+          'partial_failure' => PartialFailure,
           'partial_profile_set_failed' => PartialProfileSetFailed,
           'permission_denied' => PermissionDenied,
           'plan_upgrade_required' => PlanUpgradeRequired,
diff --git a/lib/slack/web/api/slack-api-ref b/lib/slack/web/api/slack-api-ref
index 8a22e575..2bd06129 160000
--- a/lib/slack/web/api/slack-api-ref
+++ b/lib/slack/web/api/slack-api-ref
@@ -1 +1 @@
-Subproject commit 8a22e575eefeb220a5a06426ff7319e6ef46dd42
+Subproject commit 2bd06129aed433ae7d4527e30011bd7ce236694b
diff --git a/spec/slack/web/api/endpoints/apps_datastore_spec.rb b/spec/slack/web/api/endpoints/apps_datastore_spec.rb
index 7cd8e66f..4e756c6b 100644
--- a/spec/slack/web/api/endpoints/apps_datastore_spec.rb
+++ b/spec/slack/web/api/endpoints/apps_datastore_spec.rb
@@ -5,6 +5,30 @@
 
 RSpec.describe Slack::Web::Api::Endpoints::AppsDatastore do
   let(:client) { Slack::Web::Client.new }
+  context 'apps.datastore_bulkDelete' do
+    it 'requires datastore' do
+      expect { client.apps_datastore_bulkDelete(ids: %q[["7c6dd137", "c7d6d731"]]) }.to raise_error ArgumentError, /Required arguments :datastore missing/
+    end
+    it 'requires ids' do
+      expect { client.apps_datastore_bulkDelete(datastore: %q[]) }.to raise_error ArgumentError, /Required arguments :ids missing/
+    end
+  end
+  context 'apps.datastore_bulkGet' do
+    it 'requires datastore' do
+      expect { client.apps_datastore_bulkGet(ids: %q[["7c6dd137", "c7d6d731"]]) }.to raise_error ArgumentError, /Required arguments :datastore missing/
+    end
+    it 'requires ids' do
+      expect { client.apps_datastore_bulkGet(datastore: %q[]) }.to raise_error ArgumentError, /Required arguments :ids missing/
+    end
+  end
+  context 'apps.datastore_bulkPut' do
+    it 'requires datastore' do
+      expect { client.apps_datastore_bulkPut(items: %q[[{"id": "7c6dd137", "favourite_meal": "Shawarma", "reason": "Who doesn't like Shawarma?"}]]) }.to raise_error ArgumentError, /Required arguments :datastore missing/
+    end
+    it 'requires items' do
+      expect { client.apps_datastore_bulkPut(datastore: %q[]) }.to raise_error ArgumentError, /Required arguments :items missing/
+    end
+  end
   context 'apps.datastore_delete' do
     it 'requires datastore' do
       expect { client.apps_datastore_delete(id: %q[]) }.to raise_error ArgumentError, /Required arguments :datastore missing/