diff --git a/.evergreen/config.yml b/.evergreen/config.yml
index ec486ce77f..4e2b208d4e 100644
--- a/.evergreen/config.yml
+++ b/.evergreen/config.yml
@@ -1295,14 +1295,10 @@ buildvariants:
   # Only JRuby-9.4 is built for arm in the current toolchain, but 9.4 has other
   # issues. Either we fix those issues, or we build 9.3 for arm in the toolchain,
   # and hope it fixes the issues... Until then, we can only test MRI ruby on arm.
-  #
-  # further: 'latest' is broken until the QE2 changes are merged (RUBY-3211,
-  # RUBY-3226)
   - matrix_name: "mongo-recent-arm"
     matrix_spec:
       ruby: "ruby-3.2"
-      #mongodb-version: ['latest', '6.0']
-      mongodb-version: ['6.0']
+      mongodb-version: ["latest", "7.0", "6.0"]
       topology: ["standalone", "replica-set", "sharded-cluster"]
       os: 'rhel8-arm'
     display_name: "${mongodb-version} ${os} ${topology} ${auth-and-ssl} ${ruby}"
@@ -1342,7 +1338,7 @@ buildvariants:
   - matrix_name: "single-lb"
     matrix_spec:
       ruby: "ruby-3.2"
-      mongodb-version: "6.0"
+      mongodb-version: "7.0"
       topology: load-balanced
       single-mongos: single-mongos
       os: rhel8
@@ -1364,7 +1360,7 @@ buildvariants:
   - matrix_name: "single-mongos"
     matrix_spec:
       ruby: "ruby-3.2"
-      mongodb-version: "6.0"
+      mongodb-version: "7.0"
       topology: "sharded-cluster"
       single-mongos: single-mongos
       os: rhel8
@@ -1376,7 +1372,7 @@ buildvariants:
     matrix_spec:
       retry-reads: no-retry-reads
       ruby: "ruby-3.2"
-      mongodb-version: "6.0"
+      mongodb-version: "7.0"
       topology: ["standalone", "replica-set", "sharded-cluster"]
       os: rhel8
     display_name: "${mongodb-version} ${topology} ${retry-reads} ${ruby}"
@@ -1387,7 +1383,7 @@ buildvariants:
     matrix_spec:
       retry-writes: no-retry-writes
       ruby: "ruby-3.2"
-      mongodb-version: "6.0"
+      mongodb-version: "7.0"
       topology: [replica-set, sharded-cluster]
       os: rhel8
     display_name: "${mongodb-version} ${topology} ${retry-writes} ${ruby}"
@@ -1409,7 +1405,7 @@ buildvariants:
     matrix_spec:
       lint: on
       ruby: "ruby-3.2"
-      mongodb-version: "6.0"
+      mongodb-version: "7.0"
       topology: '*'
       os: rhel8
     display_name: "${mongodb-version} ${topology} ${lint} ${ruby}"
@@ -1420,7 +1416,7 @@ buildvariants:
     matrix_spec:
       fork: on
       ruby: "ruby-3.2"
-      mongodb-version: "6.0"
+      mongodb-version: "7.0"
       topology: ["standalone", "replica-set", "sharded-cluster"]
       os: rhel8
     display_name: "${mongodb-version} ${topology} fork ${ruby}"
@@ -1431,7 +1427,7 @@ buildvariants:
     matrix_spec:
       solo: on
       ruby: ["ruby-3.2", "ruby-3.1", "ruby-3.0", "ruby-2.7", "ruby-2.6", "ruby-2.5", "jruby-9.3", "jruby-9.2"]
-      mongodb-version: "6.0"
+      mongodb-version: "7.0"
       topology: ["standalone", "replica-set", "sharded-cluster"]
       os: rhel8
     display_name: "${mongodb-version} ${topology} solo ${ruby}"
@@ -1480,7 +1476,7 @@ buildvariants:
     matrix_spec:
       auth-and-ssl: [ "auth-and-ssl", "noauth-and-nossl" ]
       ruby: jruby-9.3
-      mongodb-version: "6.0"
+      mongodb-version: "7.0"
       topology: ["standalone", "replica-set", "sharded-cluster"]
       os: rhel8
     display_name: "${mongodb-version} ${topology} ${auth-and-ssl} ${ruby}"
@@ -1491,7 +1487,7 @@ buildvariants:
     matrix_spec:
       auth-and-ssl: [ "auth-and-ssl", "noauth-and-nossl" ]
       ruby: ["ruby-3.2", "ruby-2.7", "jruby-9.3"]
-      mongodb-version: "6.0"
+      mongodb-version: "7.0"
       topology: "replica-set"
       compressor: 'zlib'
       os: rhel8
@@ -1503,7 +1499,7 @@ buildvariants:
     matrix_spec:
       auth-and-ssl: [ "auth-and-ssl", "noauth-and-nossl" ]
       ruby: ["ruby-3.2", "ruby-2.7", "jruby-9.3"]
-      mongodb-version: "6.0"
+      mongodb-version: "7.0"
       topology: "replica-set"
       compressor: 'snappy'
       os: rhel8
@@ -1519,7 +1515,7 @@ buildvariants:
     matrix_spec:
       auth-and-ssl: [ "auth-and-ssl", "noauth-and-nossl" ]
       ruby: ["ruby-3.2", "ruby-2.7"]
-      mongodb-version: "6.0"
+      mongodb-version: "7.0"
       topology: "replica-set"
       compressor: 'zstd'
       os: rhel8
@@ -1530,7 +1526,7 @@ buildvariants:
   - matrix_name: "activesupport"
     matrix_spec:
       ruby: ["ruby-3.2", "ruby-2.7", "jruby-9.3"]
-      mongodb-version: "6.0"
+      mongodb-version: "7.0"
       topology: replica-set
       as: as
       os: rhel8
@@ -1541,7 +1537,7 @@ buildvariants:
   - matrix_name: "bson"
     matrix_spec:
       ruby: ["ruby-3.2", "ruby-2.7", "jruby-9.3"]
-      mongodb-version: "6.0"
+      mongodb-version: "7.0"
       topology: replica-set
       bson: "*"
       os: rhel8
@@ -1561,7 +1557,7 @@ buildvariants:
   - matrix_name: "kerberos-unit"
     matrix_spec:
       ruby: "ruby-3.2"
-      mongodb-version: "6.0"
+      mongodb-version: "7.0"
       topology: standalone
       os: rhel8
       auth-and-ssl: kerberos
@@ -1615,7 +1611,7 @@ buildvariants:
       # No JRuby due to https://github.com/jruby/jruby-openssl/issues/210
       ruby: ["ruby-3.2", "ruby-3.1", "ruby-3.0", "ruby-2.7", "ruby-2.6", "ruby-2.5"]
       topology: standalone
-      mongodb-version: "6.0"
+      mongodb-version: "7.0"
       os: rhel8
     display_name: "OCSP verifier: ${mongodb-version} ${ruby}"
     tasks:
@@ -1628,7 +1624,7 @@ buildvariants:
       ocsp-delegate: on
       ruby: ["ruby-3.2", "ruby-2.7"]
       topology: standalone
-      mongodb-version: "6.0"
+      mongodb-version: "7.0"
       os: rhel8
       auth-and-ssl: noauth-and-ssl
     display_name: "OCSP integration - must staple: ${mongodb-version} ${ruby}"
@@ -1641,7 +1637,7 @@ buildvariants:
       ocsp-status: unknown
       ruby: ["ruby-3.2", "ruby-2.7"]
       topology: standalone
-      mongodb-version: "6.0"
+      mongodb-version: "7.0"
       os: rhel8
       auth-and-ssl: noauth-and-ssl
     display_name: "OCSP integration - unknown: ${mongodb-version} ${ruby}"
@@ -1657,7 +1653,7 @@ buildvariants:
       extra-uri-options: "none"
       ruby: ["ruby-3.2", "ruby-2.7"]
       topology: standalone
-      mongodb-version: "6.0"
+      mongodb-version: "7.0"
       os: rhel8
     display_name: "OCSP connectivity: ${ocsp-algorithm} ${ocsp-status} ${ocsp-delegate} ${extra-uri-options} ${mongodb-version} ${ruby}"
     tasks:
@@ -1671,7 +1667,7 @@ buildvariants:
       extra-uri-options: "none"
       ruby: ["ruby-3.2", "ruby-2.7"]
       topology: standalone
-      mongodb-version: "6.0"
+      mongodb-version: "7.0"
       os: rhel8
     display_name: "OCSP connectivity: ${ocsp-algorithm} ${ocsp-status} ${ocsp-delegate} ${extra-uri-options} ${mongodb-version} ${ruby}"
     tasks:
@@ -1685,7 +1681,7 @@ buildvariants:
       extra-uri-options: "none"
       ruby: ["ruby-3.2", "ruby-2.7"]
       topology: standalone
-      mongodb-version: "6.0"
+      mongodb-version: "7.0"
       os: rhel8
     display_name: "OCSP connectivity: ${ocsp-algorithm} ${ocsp-status} ${ocsp-delegate} ${extra-uri-options} ${mongodb-version} ${ruby}"
     tasks:
@@ -1699,7 +1695,7 @@ buildvariants:
       extra-uri-options: "tlsInsecure=true"
       ruby: ["ruby-3.2", "ruby-2.7"]
       topology: standalone
-      mongodb-version: "6.0"
+      mongodb-version: "7.0"
       os: rhel8
     display_name: "OCSP connectivity: ${ocsp-algorithm} ${ocsp-status} ${ocsp-delegate} ${extra-uri-options} ${mongodb-version} ${ruby}"
     tasks:
@@ -1713,7 +1709,7 @@ buildvariants:
       extra-uri-options: "tlsInsecure=true"
       ruby: ["ruby-3.2", "ruby-2.7"]
       topology: standalone
-      mongodb-version: "6.0"
+      mongodb-version: "7.0"
       os: rhel8
     display_name: "OCSP connectivity: ${ocsp-algorithm} ${ocsp-status} ${ocsp-delegate} ${extra-uri-options} ${mongodb-version} ${ruby}"
     tasks:
@@ -1727,7 +1723,7 @@ buildvariants:
       extra-uri-options: "tlsInsecure=true"
       ruby: ["ruby-3.2", "ruby-2.7"]
       topology: standalone
-      mongodb-version: "6.0"
+      mongodb-version: "7.0"
       os: rhel8
     display_name: "OCSP connectivity: ${ocsp-algorithm} ${ocsp-status} ${ocsp-delegate} ${extra-uri-options} ${mongodb-version} ${ruby}"
     tasks:
@@ -1741,7 +1737,7 @@ buildvariants:
       extra-uri-options: "tlsAllowInvalidCertificates=true"
       ruby: ["ruby-3.2", "ruby-2.7"]
       topology: standalone
-      mongodb-version: "6.0"
+      mongodb-version: "7.0"
       os: rhel8
     display_name: "OCSP connectivity: ${ocsp-algorithm} ${ocsp-status} ${ocsp-delegate} ${extra-uri-options} ${mongodb-version} ${ruby}"
     tasks:
@@ -1755,7 +1751,7 @@ buildvariants:
       extra-uri-options: "tlsAllowInvalidCertificates=true"
       ruby: ["ruby-3.2", "ruby-2.7"]
       topology: standalone
-      mongodb-version: "6.0"
+      mongodb-version: "7.0"
       os: rhel8
     display_name: "OCSP connectivity: ${ocsp-algorithm} ${ocsp-status} ${ocsp-delegate} ${extra-uri-options} ${mongodb-version} ${ruby}"
     tasks:
@@ -1769,7 +1765,7 @@ buildvariants:
       extra-uri-options: "tlsAllowInvalidCertificates=true"
       ruby: ["ruby-3.2", "ruby-2.7"]
       topology: standalone
-      mongodb-version: "6.0"
+      mongodb-version: "7.0"
       os: rhel8
     display_name: "OCSP connectivity: ${ocsp-algorithm} ${ocsp-status} ${ocsp-delegate} ${extra-uri-options} ${mongodb-version} ${ruby}"
     tasks:
@@ -1789,7 +1785,7 @@ buildvariants:
       ocsp-connectivity: pass
       ruby: jruby-9.3
       topology: standalone
-      mongodb-version: "6.0"
+      mongodb-version: "7.0"
       os: rhel8
     display_name: "OCSP connectivity: ${ocsp-algorithm} ${ocsp-status} ${ocsp-delegate} ${mongodb-version} ${ruby}"
     tasks:
@@ -1801,7 +1797,7 @@ buildvariants:
       fle: helper
       topology: standalone
       os: rhel8
-      mongodb-version: "6.0"
+      mongodb-version: "7.0"
     display_name: "GCP KMS"
     tasks:
       - name: testgcpkms_task_group
@@ -1835,27 +1831,28 @@ buildvariants:
     tasks:
        - name: test-atlas
 
-  - matrix_name: "serverless"
-    matrix_spec:
-      # https://jira.mongodb.org/browse/RUBY-3217
-      # ruby: ["ruby-3.2", "ruby-3.1", "ruby-3.0", "ruby-2.7", "ruby-2.6", "ruby-2.5", "jruby-9.3", "jruby-9.2"]
-      ruby: ["ruby-3.2", "ruby-3.1", "ruby-3.0", "ruby-2.7", "ruby-2.6", "ruby-2.5"]
-      fle: path
-      os: rhel8
-    display_name: "Atlas serverless ${ruby}"
-    tasks:
-       - name: serverless_task_group
-
-  - matrix_name: "serverless-next"
-    matrix_spec:
-      # https://jira.mongodb.org/browse/RUBY-3217
-      # ruby: ["ruby-3.2", "ruby-3.1", "ruby-3.0", "ruby-2.7", "ruby-2.6", "ruby-2.5", "jruby-9.3", "jruby-9.2"]
-      ruby: ["ruby-3.2", "ruby-3.1", "ruby-3.0", "ruby-2.7", "ruby-2.6", "ruby-2.5"]
-      fle: path
-      os: rhel8
-    display_name: "Atlas serverless-next ${ruby}"
-    tasks:
-       - name: serverless_next_task_group
+# Commented out, pending RUBY-3414
+#  - matrix_name: "serverless"
+#    matrix_spec:
+#      # https://jira.mongodb.org/browse/RUBY-3217
+#      # ruby: ["ruby-3.2", "ruby-3.1", "ruby-3.0", "ruby-2.7", "ruby-2.6", "ruby-2.5", "jruby-9.3", "jruby-9.2"]
+#      ruby: ["ruby-3.2", "ruby-3.1", "ruby-3.0", "ruby-2.7", "ruby-2.6", "ruby-2.5"]
+#      fle: path
+#      os: rhel8
+#    display_name: "Atlas serverless ${ruby}"
+#    tasks:
+#       - name: serverless_task_group
+#
+#  - matrix_name: "serverless-next"
+#    matrix_spec:
+#      # https://jira.mongodb.org/browse/RUBY-3217
+#      # ruby: ["ruby-3.2", "ruby-3.1", "ruby-3.0", "ruby-2.7", "ruby-2.6", "ruby-2.5", "jruby-9.3", "jruby-9.2"]
+#      ruby: ["ruby-3.2", "ruby-3.1", "ruby-3.0", "ruby-2.7", "ruby-2.6", "ruby-2.5"]
+#      fle: path
+#      os: rhel8
+#    display_name: "Atlas serverless-next ${ruby}"
+#    tasks:
+#       - name: serverless_next_task_group
 
   - matrix_name: "aws-lambda"
     matrix_spec:
diff --git a/.evergreen/config/standard.yml.erb b/.evergreen/config/standard.yml.erb
index b852b48b63..f37729211d 100644
--- a/.evergreen/config/standard.yml.erb
+++ b/.evergreen/config/standard.yml.erb
@@ -32,10 +32,11 @@
   supported_rubies = supported_mri_rubies + jrubies
 
   # The latest stable version of MongoDB
-  latest_stable_mdb = "6.0".inspect # so it gets quoted as a string
+  latest_stable_mdb = "7.0".inspect # so it gets quoted as a string
 
   # A few of the most recent MongoDB versions
   actual_and_upcoming_mdb = %w( latest 7.0 6.0 )
+
   recent_mdb = %w( 6.0 5.3 )
   latest_5x_mdb = "5.3".inspect # so it gets quoted as a string
 %>
@@ -77,14 +78,10 @@ buildvariants:
   # Only JRuby-9.4 is built for arm in the current toolchain, but 9.4 has other
   # issues. Either we fix those issues, or we build 9.3 for arm in the toolchain,
   # and hope it fixes the issues... Until then, we can only test MRI ruby on arm.
-  #
-  # further: 'latest' is broken until the QE2 changes are merged (RUBY-3211,
-  # RUBY-3226)
   - matrix_name: "mongo-recent-arm"
     matrix_spec:
       ruby: <%= latest_ruby %>
-      #mongodb-version: ['latest', '6.0']
-      mongodb-version: ['6.0']
+      mongodb-version: <%= actual_and_upcoming_mdb %>
       topology: <%= topologies %>
       os: 'rhel8-arm'
     display_name: "${mongodb-version} ${os} ${topology} ${auth-and-ssl} ${ruby}"
@@ -520,27 +517,28 @@ buildvariants:
     tasks:
        - name: test-atlas
 
-  - matrix_name: "serverless"
-    matrix_spec:
-      # https://jira.mongodb.org/browse/RUBY-3217
-      # ruby: <%= supported_rubies %>
-      ruby: <%= supported_mri_rubies %>
-      fle: path
-      os: rhel8
-    display_name: "Atlas serverless ${ruby}"
-    tasks:
-       - name: serverless_task_group
-
-  - matrix_name: "serverless-next"
-    matrix_spec:
-      # https://jira.mongodb.org/browse/RUBY-3217
-      # ruby: <%= supported_rubies %>
-      ruby: <%= supported_mri_rubies %>
-      fle: path
-      os: rhel8
-    display_name: "Atlas serverless-next ${ruby}"
-    tasks:
-       - name: serverless_next_task_group
+# Commented out, pending RUBY-3414
+#  - matrix_name: "serverless"
+#    matrix_spec:
+#      # https://jira.mongodb.org/browse/RUBY-3217
+#      # ruby: <%= supported_rubies %>
+#      ruby: <%= supported_mri_rubies %>
+#      fle: path
+#      os: rhel8
+#    display_name: "Atlas serverless ${ruby}"
+#    tasks:
+#       - name: serverless_task_group
+#
+#  - matrix_name: "serverless-next"
+#    matrix_spec:
+#      # https://jira.mongodb.org/browse/RUBY-3217
+#      # ruby: <%= supported_rubies %>
+#      ruby: <%= supported_mri_rubies %>
+#      fle: path
+#      os: rhel8
+#    display_name: "Atlas serverless-next ${ruby}"
+#    tasks:
+#       - name: serverless_next_task_group
 
   - matrix_name: "aws-lambda"
     matrix_spec:
diff --git a/spec/runners/transactions/test.rb b/spec/runners/transactions/test.rb
index ce54d16cd5..8364b1713c 100644
--- a/spec/runners/transactions/test.rb
+++ b/spec/runners/transactions/test.rb
@@ -132,7 +132,6 @@ def test_client
         @test_client ||= begin
           sdam_proc = lambda do |test_client|
             test_client.subscribe(Mongo::Monitoring::COMMAND, command_subscriber)
-
             test_client.subscribe(Mongo::Monitoring::TOPOLOGY_OPENING, sdam_subscriber)
             test_client.subscribe(Mongo::Monitoring::SERVER_OPENING, sdam_subscriber)
             test_client.subscribe(Mongo::Monitoring::SERVER_DESCRIPTION_CHANGED, sdam_subscriber)
@@ -321,6 +320,9 @@ def setup_test
         # without auto_encryption_options for querying results.
         result_collection_name = outcome&.collection_name || @spec.collection_name
         @result_collection = support_client.use(@spec.database_name)[result_collection_name]
+
+        # DRIVERS-2816, adjusted for legacy spec runner
+        @cluster_time = support_client.command(ping: 1).cluster_time
       end
 
       def teardown_test
@@ -358,12 +360,19 @@ def resolve_target(client, operation)
         end
       end
 
+      def new_session(options)
+        test_client.start_session(options || {}).tap do |s|
+          # DRIVERS-2816, adjusted for legacy spec runner
+          s.advance_cluster_time(@cluster_time)
+        end
+      end
+
       def session0
-        @session0 ||= test_client.start_session(@session_options[:session0] || {})
+        @session0 ||= new_session(@session_options[:session0])
       end
 
       def session1
-        @session1 ||= test_client.start_session(@session_options[:session1] || {})
+        @session1 ||= new_session(@session_options[:session1])
       end
     end
   end
diff --git a/spec/runners/unified/test.rb b/spec/runners/unified/test.rb
index fb9083e6e9..114088f693 100644
--- a/spec/runners/unified/test.rb
+++ b/spec/runners/unified/test.rb
@@ -227,7 +227,9 @@ def generate_entities(es)
             opts = {}
           end
 
-          client.start_session(**opts)
+          client.start_session(**opts).tap do |session|
+            session.advance_cluster_time(@cluster_time)
+          end
         when 'clientEncryption'
           client_encryption_opts = spec.use!('clientEncryptionOpts')
           key_vault_client = entities.get(:client, client_encryption_opts['keyVaultClient'])
@@ -342,6 +344,11 @@ def set_initial_data
           raise NotImplementedError, "Unhandled spec keys: #{spec}"
         end
       end
+
+      # the cluster time is used to advance the cluster time of any
+      # sessions created during this test.
+      # -> see DRIVERS-2816
+      @cluster_time = root_authorized_client.command(ping: 1).cluster_time
     end
 
     def run
diff --git a/spec/spec_tests/data/index_management/listSearchIndexes.yml b/spec/spec_tests/data/index_management/listSearchIndexes.yml
index f05a368585..c0d2d9ddc5 100644
--- a/spec/spec_tests/data/index_management/listSearchIndexes.yml
+++ b/spec/spec_tests/data/index_management/listSearchIndexes.yml
@@ -22,6 +22,7 @@ runOnRequirements:
 
 tests:
   - description: "when no name is provided, it does not populate the filter"
+    skipReason: https://jira.mongodb.org/browse/DRIVERS-2794
     operations:
       - name: listSearchIndexes
         object: *collection0
@@ -41,10 +42,11 @@ tests:
                   - $listSearchIndexes: {}
 
   - description: "when a name is provided, it is present in the filter"
+    skipReason: https://jira.mongodb.org/browse/DRIVERS-2794
     operations:
       - name: listSearchIndexes
         object: *collection0
-        arguments: 
+        arguments:
           name: &indexName "test index"
         expectError:
           # This test always errors in a non-Atlas environment.  The test functions as a unit test  by asserting
@@ -63,12 +65,13 @@ tests:
                 $db: *database0
 
   - description: aggregation cursor options are supported
+    skipReason: https://jira.mongodb.org/browse/DRIVERS-2794
     operations:
       - name: listSearchIndexes
         object: *collection0
-        arguments: 
+        arguments:
           name: &indexName "test index"
-          aggregationOptions: 
+          aggregationOptions:
             batchSize: 10
         expectError:
           # This test always errors in a non-Atlas environment.  The test functions as a unit test  by asserting