diff --git a/quic/core/quic_version_manager.cc b/quic/core/quic_version_manager.cc
index d4cc329..4d33d48 100644
--- a/quic/core/quic_version_manager.cc
+++ b/quic/core/quic_version_manager.cc
@@ -22,7 +22,7 @@
       enable_version_draft_25_(
           GetQuicReloadableFlag(quic_enable_version_draft_25_v3)),
       disable_version_q050_(GetQuicReloadableFlag(quic_disable_version_q050)),
-      enable_version_t050_(GetQuicReloadableFlag(quic_enable_version_t050_v2)),
+      disable_version_t050_(GetQuicReloadableFlag(quic_disable_version_t050)),
       disable_version_q049_(GetQuicReloadableFlag(quic_disable_version_q049)),
       disable_version_q048_(GetQuicReloadableFlag(quic_disable_version_q048)),
       disable_version_q046_(GetQuicReloadableFlag(quic_disable_version_q046)),
@@ -68,8 +68,8 @@
           GetQuicReloadableFlag(quic_enable_version_draft_25_v3) ||
       disable_version_q050_ !=
           GetQuicReloadableFlag(quic_disable_version_q050) ||
-      enable_version_t050_ !=
-          GetQuicReloadableFlag(quic_enable_version_t050_v2) ||
+      disable_version_t050_ !=
+          GetQuicReloadableFlag(quic_disable_version_t050) ||
       disable_version_q049_ !=
           GetQuicReloadableFlag(quic_disable_version_q049) ||
       disable_version_q048_ !=
@@ -85,7 +85,7 @@
     enable_version_draft_25_ =
         GetQuicReloadableFlag(quic_enable_version_draft_25_v3);
     disable_version_q050_ = GetQuicReloadableFlag(quic_disable_version_q050);
-    enable_version_t050_ = GetQuicReloadableFlag(quic_enable_version_t050_v2);
+    disable_version_t050_ = GetQuicReloadableFlag(quic_disable_version_t050);
     disable_version_q049_ = GetQuicReloadableFlag(quic_disable_version_q049);
     disable_version_q048_ = GetQuicReloadableFlag(quic_disable_version_q048);
     disable_version_q046_ = GetQuicReloadableFlag(quic_disable_version_q046);
diff --git a/quic/core/quic_version_manager.h b/quic/core/quic_version_manager.h
index 6a1afd2..dcfe6a8 100644
--- a/quic/core/quic_version_manager.h
+++ b/quic/core/quic_version_manager.h
@@ -60,8 +60,8 @@
   bool enable_version_draft_25_;
   // quic_disable_version_q050 flag
   bool disable_version_q050_;
-  // quic_enable_version_t050_v2 flag
-  bool enable_version_t050_;
+  // quic_disable_version_t050 flag
+  bool disable_version_t050_;
   // quic_disable_version_q049 flag
   bool disable_version_q049_;
   // quic_disable_version_q048 flag
diff --git a/quic/core/quic_version_manager_test.cc b/quic/core/quic_version_manager_test.cc
index 7fbd2d1..81514a9 100644
--- a/quic/core/quic_version_manager_test.cc
+++ b/quic/core/quic_version_manager_test.cc
@@ -23,7 +23,7 @@
   SetQuicReloadableFlag(quic_enable_version_draft_28, false);
   SetQuicReloadableFlag(quic_enable_version_draft_27, false);
   SetQuicReloadableFlag(quic_enable_version_draft_25_v3, false);
-  SetQuicReloadableFlag(quic_enable_version_t050_v2, false);
+  SetQuicReloadableFlag(quic_disable_version_t050, false);
   SetQuicReloadableFlag(quic_disable_version_q050, false);
   SetQuicReloadableFlag(quic_disable_version_q049, false);
   SetQuicReloadableFlag(quic_disable_version_q048, false);
@@ -33,6 +33,8 @@
 
   ParsedQuicVersionVector expected_parsed_versions;
   expected_parsed_versions.push_back(
+      ParsedQuicVersion(PROTOCOL_TLS1_3, QUIC_VERSION_50));
+  expected_parsed_versions.push_back(
       ParsedQuicVersion(PROTOCOL_QUIC_CRYPTO, QUIC_VERSION_50));
   expected_parsed_versions.push_back(
       ParsedQuicVersion(PROTOCOL_QUIC_CRYPTO, QUIC_VERSION_49));
@@ -44,36 +46,19 @@
       ParsedQuicVersion(PROTOCOL_QUIC_CRYPTO, QUIC_VERSION_43));
 
   EXPECT_EQ(expected_parsed_versions, manager.GetSupportedVersions());
-  EXPECT_EQ(expected_parsed_versions,
-            manager.GetSupportedVersionsWithQuicCrypto());
 
   EXPECT_EQ(FilterSupportedVersions(AllSupportedVersions()),
             manager.GetSupportedVersions());
   EXPECT_EQ(CurrentSupportedVersionsWithQuicCrypto(),
             manager.GetSupportedVersionsWithQuicCrypto());
-  EXPECT_THAT(
-      manager.GetSupportedAlpns(),
-      ElementsAre("h3-Q050", "h3-Q049", "h3-Q048", "h3-Q046", "h3-Q043"));
-
-  SetQuicReloadableFlag(quic_enable_version_draft_28, true);
-  expected_parsed_versions.insert(
-      expected_parsed_versions.begin(),
-      ParsedQuicVersion(PROTOCOL_TLS1_3, QUIC_VERSION_IETF_DRAFT_28));
-  EXPECT_EQ(expected_parsed_versions, manager.GetSupportedVersions());
-  EXPECT_EQ(expected_parsed_versions.size() - 1,
-            manager.GetSupportedVersionsWithQuicCrypto().size());
-  EXPECT_EQ(FilterSupportedVersions(AllSupportedVersions()),
-            manager.GetSupportedVersions());
-  EXPECT_EQ(CurrentSupportedVersionsWithQuicCrypto(),
-            manager.GetSupportedVersionsWithQuicCrypto());
   EXPECT_THAT(manager.GetSupportedAlpns(),
-              ElementsAre("h3-28", "h3-Q050", "h3-Q049", "h3-Q048", "h3-Q046",
+              ElementsAre("h3-T050", "h3-Q050", "h3-Q049", "h3-Q048", "h3-Q046",
                           "h3-Q043"));
 
-  SetQuicReloadableFlag(quic_enable_version_draft_27, true);
+  SetQuicReloadableFlag(quic_enable_version_draft_28, true);
   expected_parsed_versions.insert(
-      expected_parsed_versions.begin() + 1,
-      ParsedQuicVersion(PROTOCOL_TLS1_3, QUIC_VERSION_IETF_DRAFT_27));
+      expected_parsed_versions.begin(),
+      ParsedQuicVersion(PROTOCOL_TLS1_3, QUIC_VERSION_IETF_DRAFT_28));
   EXPECT_EQ(expected_parsed_versions, manager.GetSupportedVersions());
   EXPECT_EQ(expected_parsed_versions.size() - 2,
             manager.GetSupportedVersionsWithQuicCrypto().size());
@@ -82,31 +67,31 @@
   EXPECT_EQ(CurrentSupportedVersionsWithQuicCrypto(),
             manager.GetSupportedVersionsWithQuicCrypto());
   EXPECT_THAT(manager.GetSupportedAlpns(),
-              ElementsAre("h3-28", "h3-27", "h3-Q050", "h3-Q049", "h3-Q048",
+              ElementsAre("h3-28", "h3-T050", "h3-Q050", "h3-Q049", "h3-Q048",
                           "h3-Q046", "h3-Q043"));
 
+  SetQuicReloadableFlag(quic_enable_version_draft_27, true);
+  expected_parsed_versions.insert(
+      expected_parsed_versions.begin() + 1,
+      ParsedQuicVersion(PROTOCOL_TLS1_3, QUIC_VERSION_IETF_DRAFT_27));
+  EXPECT_EQ(expected_parsed_versions, manager.GetSupportedVersions());
+  EXPECT_EQ(expected_parsed_versions.size() - 3,
+            manager.GetSupportedVersionsWithQuicCrypto().size());
+  EXPECT_EQ(FilterSupportedVersions(AllSupportedVersions()),
+            manager.GetSupportedVersions());
+  EXPECT_EQ(CurrentSupportedVersionsWithQuicCrypto(),
+            manager.GetSupportedVersionsWithQuicCrypto());
+  EXPECT_THAT(manager.GetSupportedAlpns(),
+              ElementsAre("h3-28", "h3-27", "h3-T050", "h3-Q050", "h3-Q049",
+                          "h3-Q048", "h3-Q046", "h3-Q043"));
+
   SetQuicReloadableFlag(quic_enable_version_draft_25_v3, true);
   expected_parsed_versions.insert(
       expected_parsed_versions.begin() + 2,
       ParsedQuicVersion(PROTOCOL_TLS1_3, QUIC_VERSION_IETF_DRAFT_25));
   EXPECT_EQ(expected_parsed_versions, manager.GetSupportedVersions());
-  EXPECT_EQ(expected_parsed_versions.size() - 3,
-            manager.GetSupportedVersionsWithQuicCrypto().size());
-  EXPECT_EQ(CurrentSupportedVersionsWithQuicCrypto(),
-            manager.GetSupportedVersionsWithQuicCrypto());
-  EXPECT_THAT(manager.GetSupportedAlpns(),
-              ElementsAre("h3-28", "h3-27", "h3-25", "h3-Q050", "h3-Q049",
-                          "h3-Q048", "h3-Q046", "h3-Q043"));
-
-  SetQuicReloadableFlag(quic_enable_version_t050_v2, true);
-  expected_parsed_versions.insert(
-      expected_parsed_versions.begin() + 3,
-      ParsedQuicVersion(PROTOCOL_TLS1_3, QUIC_VERSION_50));
-  EXPECT_EQ(expected_parsed_versions, manager.GetSupportedVersions());
   EXPECT_EQ(expected_parsed_versions.size() - 4,
             manager.GetSupportedVersionsWithQuicCrypto().size());
-  EXPECT_EQ(FilterSupportedVersions(AllSupportedVersions()),
-            manager.GetSupportedVersions());
   EXPECT_EQ(CurrentSupportedVersionsWithQuicCrypto(),
             manager.GetSupportedVersionsWithQuicCrypto());
   EXPECT_THAT(manager.GetSupportedAlpns(),
diff --git a/quic/core/quic_versions.cc b/quic/core/quic_versions.cc
index a952368..5db61bf 100644
--- a/quic/core/quic_versions.cc
+++ b/quic/core/quic_versions.cc
@@ -424,7 +424,7 @@
           filtered_versions.push_back(version);
         }
       } else {
-        if (GetQuicReloadableFlag(quic_enable_version_t050_v2)) {
+        if (!GetQuicReloadableFlag(quic_disable_version_t050)) {
           filtered_versions.push_back(version);
         }
       }
@@ -678,7 +678,7 @@
     if (parsed_version.handshake_protocol == PROTOCOL_QUIC_CRYPTO) {
       SetQuicReloadableFlag(quic_disable_version_q050, false);
     } else {
-      SetQuicReloadableFlag(quic_enable_version_t050_v2, true);
+      SetQuicReloadableFlag(quic_disable_version_t050, false);
     }
   } else if (parsed_version.transport_version == QUIC_VERSION_49) {
     SetQuicReloadableFlag(quic_disable_version_q049, false);
diff --git a/quic/core/quic_versions_test.cc b/quic/core/quic_versions_test.cc
index ad2d334..67c8f47 100644
--- a/quic/core/quic_versions_test.cc
+++ b/quic/core/quic_versions_test.cc
@@ -453,7 +453,7 @@
   SetQuicReloadableFlag(quic_enable_version_draft_28, true);
   SetQuicReloadableFlag(quic_enable_version_draft_27, true);
   SetQuicReloadableFlag(quic_enable_version_draft_25_v3, true);
-  SetQuicReloadableFlag(quic_enable_version_t050_v2, true);
+  SetQuicReloadableFlag(quic_disable_version_t050, false);
   SetQuicReloadableFlag(quic_disable_version_q050, false);
   SetQuicReloadableFlag(quic_disable_version_q049, false);
   SetQuicReloadableFlag(quic_disable_version_q048, false);
@@ -491,7 +491,7 @@
   SetQuicReloadableFlag(quic_enable_version_draft_28, false);
   SetQuicReloadableFlag(quic_enable_version_draft_27, true);
   SetQuicReloadableFlag(quic_enable_version_draft_25_v3, true);
-  SetQuicReloadableFlag(quic_enable_version_t050_v2, true);
+  SetQuicReloadableFlag(quic_disable_version_t050, false);
   SetQuicReloadableFlag(quic_disable_version_q050, false);
   SetQuicReloadableFlag(quic_disable_version_q049, false);
   SetQuicReloadableFlag(quic_disable_version_q048, false);
@@ -526,7 +526,7 @@
   SetQuicReloadableFlag(quic_enable_version_draft_28, false);
   SetQuicReloadableFlag(quic_enable_version_draft_27, false);
   SetQuicReloadableFlag(quic_enable_version_draft_25_v3, false);
-  SetQuicReloadableFlag(quic_enable_version_t050_v2, false);
+  SetQuicReloadableFlag(quic_disable_version_t050, false);
   SetQuicReloadableFlag(quic_disable_version_q050, false);
   SetQuicReloadableFlag(quic_disable_version_q049, false);
   SetQuicReloadableFlag(quic_disable_version_q048, false);
@@ -535,6 +535,8 @@
 
   ParsedQuicVersionVector expected_parsed_versions;
   expected_parsed_versions.push_back(
+      ParsedQuicVersion(PROTOCOL_TLS1_3, QUIC_VERSION_50));
+  expected_parsed_versions.push_back(
       ParsedQuicVersion(PROTOCOL_QUIC_CRYPTO, QUIC_VERSION_50));
   expected_parsed_versions.push_back(
       ParsedQuicVersion(PROTOCOL_QUIC_CRYPTO, QUIC_VERSION_49));
@@ -672,9 +674,9 @@
 
   {
     QuicFlagSaver flag_saver;
-    SetQuicReloadableFlag(quic_enable_version_t050_v2, false);
+    SetQuicReloadableFlag(quic_disable_version_t050, true);
     QuicEnableVersion(parsed_version_t050);
-    EXPECT_TRUE(GetQuicReloadableFlag(quic_enable_version_t050_v2));
+    EXPECT_FALSE(GetQuicReloadableFlag(quic_disable_version_t050));
   }
 
   {
diff --git a/quic/test_tools/quic_test_utils.cc b/quic/test_tools/quic_test_utils.cc
index 44e2d34..fec4cc7 100644
--- a/quic/test_tools/quic_test_utils.cc
+++ b/quic/test_tools/quic_test_utils.cc
@@ -844,7 +844,7 @@
   SetQuicReloadableFlag(quic_enable_version_draft_28, false);
   SetQuicReloadableFlag(quic_enable_version_draft_27, false);
   SetQuicReloadableFlag(quic_enable_version_draft_25_v3, false);
-  SetQuicReloadableFlag(quic_enable_version_t050_v2, false);
+  SetQuicReloadableFlag(quic_disable_version_t050, true);
 }
 
 QuicEncryptedPacket* ConstructEncryptedPacket(