diff --git a/.github/workflows/semantic-pull-request.yml b/.github/workflows/semantic-pull-request.yml
index e2958776e93..b2d3c648df1 100644
--- a/.github/workflows/semantic-pull-request.yml
+++ b/.github/workflows/semantic-pull-request.yml
@@ -6,9 +6,13 @@ on:
       - opened
       - reopened
       - edited
+      - synchronize
+      - ready_for_review
+  merge_group:
+    types: [checks_requested]
 
 concurrency:
-  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
+  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
   cancel-in-progress: true
 
 permissions:
@@ -18,6 +22,9 @@ permissions:
 
 jobs:
   check:
+    name: Semantic PR title
+    # Validate before queue admission; report a skipped check for merge groups.
+    if: github.event_name == 'pull_request_target'
     runs-on: ubuntu-latest
     timeout-minutes: 10
     steps:
diff --git a/tests-integration/fixtures/certs/client.crt b/tests-integration/fixtures/certs/client.crt
index 11fc099c42f..6e7baafa53f 100644
--- a/tests-integration/fixtures/certs/client.crt
+++ b/tests-integration/fixtures/certs/client.crt
@@ -1,19 +1,31 @@
 -----BEGIN CERTIFICATE-----
-MIIDFjCCAf6gAwIBAgIUIakjuzbmQLPnVJakOjLtjzjMEI8wDQYJKoZIhvcNAQEL
-BQAwGzEZMBcGA1UEAwwQR3JlcHRpbWVEQlJvb3RDQTAeFw0yNTA5MTYxMTM3NTZa
-Fw0yNjA5MTYxMTM3NTZaMBUxEzARBgNVBAMMCmdyZXB0aW1lZGIwggEiMA0GCSqG
-SIb3DQEBAQUAA4IBDwAwggEKAoIBAQD3WM82qlcPut5bAqFNf3bKSJCeVWaDsVqy
-YqdERyyqtXzz9lsOlLlnsOuqiC8uJna9xypbhiFlNGtKmOKnJ34uCzSoXlZy8Vdp
-sjlkRxKEWt971IT0KDnC8+du2Y1XvnyNol29wRvq7L4iBtlvL3PObuYIqFPGo2C6
-AOiqRCqgekSnd0YjP1EHAIn7ltW5KZIxsZ1beIIvpUaAvKwLroozydy66Dw2gMl0
-OuqDDWYVAs+5njReBC1pG8eIuYP6BTHnwQ8g7kw4mle+w77V+gqo0VIqgbivynyn
-V0SP0naRAJ31pVhNpg9KjxkmCrHxkfbH47Egvn0I2a8Qlh5rW3AVAgMBAAGjWDBW
-MBQGA1UdEQQNMAuCCWxvY2FsaG9zdDAdBgNVHQ4EFgQUjC3lp5jhuLoLJySTIg67
-otB0xuAwHwYDVR0jBBgwFoAUcjFqs35tU0JvDB97G0nCHRxZ8rkwDQYJKoZIhvcN
-AQELBQADggEBAKBylW71KVI/lbRfBUIZ8eUA5ZkXy5dYbGxC/utL6I0J5GsjnL5x
-ShfBdBrIjY9da7b5ep365P56KG6KwG+9XWATtY6pRiCKbHPgpMxCye7ksF0fFFwP
-UO7W0ayVnDpl1DqBqLtH+/l70+rfN82JFBmI75Djeof+LsyMeAR8aQB8Ii0ssHq1
-t9JJJjeO5vElr7i34gxKoYUuvp5wIGn1Nc06GOYykwGyJyxviXIF6MYDeWrrjYyC
-l07YAAsMLt/deAS6WDQHGRE3eu8tDyFT7I4PnlAwzjXuG9lwkByGSPxeZEh4mRa7
-fSebkXFmB/NYJVg9mxOM0Ioz0j1pK6I7U7Q=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+/wKePhjgCI4I7EsF34Bua52AeoczvTv8uPqkrbhsqqcj1cB5h0mIaIKiGqMyNKhz
+gDTcQ/4yz4uF6wlNiD3Bs5BxhwaA3u+TKp6VzxwLDy/2MJG0plI5aglFNTBKbuYh
+XMDq4OIehg3cuSGyS0RfQp+5akpC9lCbxFecpRTKY81hBBlJBdcRZ2R4htMYM01s
+BYa/Qa5KDSe8kKO0DBu1TonTroplqulDxUUV5wc+9Hk8yMKIp0m2OLzcslsZHJMe
+0g5xnvBVaTjwXLZLmQeht5YUXB2pYny83omEcQBxdd4qaSi3WYq4L8/d4t4x+ft+
+q5tgUZesMwIDAQABo4GGMIGDMAkGA1UdEwQCMAAwCwYDVR0PBAQDAgWgMBMGA1Ud
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+eyqWxYBD9fUV0iO+pOEX0uuBlBY4g8+SMmz4GQijcQEUiyEttNb2mEwtEeu2k7/k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 -----END CERTIFICATE-----
diff --git a/tests-integration/fixtures/certs/client.key b/tests-integration/fixtures/certs/client.key
index 671c15b7cc0..f5ff22bf5ad 100644
--- a/tests-integration/fixtures/certs/client.key
+++ b/tests-integration/fixtures/certs/client.key
@@ -1,28 +1,52 @@
 -----BEGIN PRIVATE KEY-----
-MIIEvQIBADANBgkqhkiG9w0BAQEFAASCBKcwggSjAgEAAoIBAQD3WM82qlcPut5b
-AqFNf3bKSJCeVWaDsVqyYqdERyyqtXzz9lsOlLlnsOuqiC8uJna9xypbhiFlNGtK
-mOKnJ34uCzSoXlZy8VdpsjlkRxKEWt971IT0KDnC8+du2Y1XvnyNol29wRvq7L4i
-BtlvL3PObuYIqFPGo2C6AOiqRCqgekSnd0YjP1EHAIn7ltW5KZIxsZ1beIIvpUaA
-vKwLroozydy66Dw2gMl0OuqDDWYVAs+5njReBC1pG8eIuYP6BTHnwQ8g7kw4mle+
-w77V+gqo0VIqgbivynynV0SP0naRAJ31pVhNpg9KjxkmCrHxkfbH47Egvn0I2a8Q
-lh5rW3AVAgMBAAECggEAIAUbLhR3GM40IswAXav2kNE8B4M+tiWrfBRRWwFrwt2j
-w2FNAGI4bjf1Cip/ERZhoMe7sAV5JUTX7txD2ye9qfBBbNppjo+3pTMxQs4Ak6m/
-7KPiYkki0R4KA8ueBJHgReWTBRGOr6beJkGEvGQENeEdXlmMHtbfmrSraf9RFVz9
-h3dMJiYmn3Nlf/3mKI7cYr07ed8AH5tjiUkRxQz4RvUDkMNMoXiPBmxqrW0cDmcW
-emYOFa+oSIqFQObVnhiEX9tKoGb8n/JmCzJhMcdWKEf8qdNAp28s3iZ6NOfAhcAP
-/uEATvqAFlSvy9IeglJ5lw1fW/yMhnsJsSTZfdM0AQKBgQD8BTvKAvgUEVyagsWS
-dJCcb5PVIUzTlUq4aYeCqEZVegZHyveHPH0rWqaCg+b5N72CxrLX1GovNFMYRWh0
-g6g2tnn5ZPMjxkT/6K194mBFtl5pRY7wYYYxenDXYetGlGR8E2J+rZjrYB8X/nUc
-fB8QqHPF4hdNn8JDDRkxS9JMQQKBgQD7QK8BF2XfP+3k/VyalDovCptcl4QX5Lfh
-Wg5TU8EewscBgvwCrsiU1j9H9MbJshYzrZ9tkE7cCvAZQMeCdZMZmNixM8kJlIUz
-N3ot/0rVvE/CGH0l4tnUP4Hf3F965Q5hZx6LaeTa/T42fNwfKWEos690MhpvpqkZ
-VIUsxVp+1QKBgArSNrT/16MU88L2poEZXDQ7Xj+ihGf5WxH8BgOIMiztZmOixWob
-IMzBwbCM9VfyGsMIwRkfV8fbGU5LfKa0GH7w6t/Yg9AfbUsHtJtZIwUbRYaDpBWS
-Om7ZcQrue2m2aXIiavJBhfVlVTB0jpbAhZzzfrUadiGxIGg8ob5KISeBAoGBAOS9
-qdXziFJssFeGdpVgl2wWWwU8CA18tA+c3mfsW2h26ZituGN03rXqK+iFp6ke0emw
-ivHDrJfV+Wr0N+7EvexS5AzH2aI4LeBIBJr1zhqye2Z4xw8D7U63lrTIu8B14ta4
-e+1uteTNI6OVnw1brdHRbM37g2fcshyWfzwYXGAVAoGAd5NcD+8cGEsEF1we9NVG
-jrCCFHaJqga+fsNDPSwtyRBa0gcpyn+JSkmew7UcMC8xsXDWaRJYslz95j6JRIpb
-aLO5P9m6yjK+IzwyYHO1YqB4f1JZPZo6I0D74RGWQJrTIWUgf1eWQq3PvzOM+BRp
-xL68Sc3xmbloGYxY9m8n8fU=
+MIIJQwIBADANBgkqhkiG9w0BAQEFAASCCS0wggkpAgEAAoICAQDVvnPBkkqibs5O
+rTNMKzsjea/2IY1NWv60O7GEGUga+cNt0vECF67hGOtFsO85+EoM8k193/dho+OC
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+++KUPjP8rlfGKeXI/3Ka/wKePhjgCI4I7EsF34Bua52AeoczvTv8uPqkrbhsqqcj
+1cB5h0mIaIKiGqMyNKhzgDTcQ/4yz4uF6wlNiD3Bs5BxhwaA3u+TKp6VzxwLDy/2
+MJG0plI5aglFNTBKbuYhXMDq4OIehg3cuSGyS0RfQp+5akpC9lCbxFecpRTKY81h
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+yMKIp0m2OLzcslsZHJMe0g5xnvBVaTjwXLZLmQeht5YUXB2pYny83omEcQBxdd4q
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+zXFU4pXLtFJ16rN+y8Xxxa3vIcWoTElmYXNQnzAMabwq0Xgy8lChP6sx+o4VOzRb
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+PFixBHafBmAhNBuLuGpOHVDMAODVQ0BsxIluia6WBgnZsd3Ntx3tzjjly+G7jjno
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+HWlHHHF37oCrcihIMgSmQTp7/4lfGK4jk0GO6U/GwtOMG0/H7ii3QtLYnOedr8cw
+1Ev7gz4qddKAqIa1wEZtPbAGZLs3uk/5x5iyEtlBxjnK31mXBRVaO/Lg9MeI4zev
+vGMCggEBAME1HpInObyN7qHC1anLBbIi6LUUwmYg3LK4KCpGt7du3c7+HlVneOZW
+WdtjhkgQWGrUkf5XiWN7sutJm/9S4pLJ//U+jqJTMpyvr3ST/vMM2B70sGwHuftE
++3YjfThhg3S++tGzmNYCbPv/idzCmZLH8wdCcCJbdnQUseCzCNuK7EhkaKRoQGj5
+/T/0zd7ICp1xn7iXbUybi9Pg92XQ+oUKfiDw+sXprifT2GUs5wx363VgFH4uORC7
+O+tgUVNtFdyomWedQOdjKNTEIDp4kWM8l1TbBS/vozwFe61O9b/jg7b5iDDMo9nY
+h4gAFxrXO0kT5EIyoB5LTDf17QW1KgE=
 -----END PRIVATE KEY-----
diff --git a/tests-integration/fixtures/certs/root.crt b/tests-integration/fixtures/certs/root.crt
index eba9c77a4ed..7ea00ae6b1e 100644
--- a/tests-integration/fixtures/certs/root.crt
+++ b/tests-integration/fixtures/certs/root.crt
@@ -1,77 +1,30 @@
-Certificate:
-    Data:
-        Version: 3 (0x2)
-        Serial Number:
-            24:00:0d:99:42:39:90:76:c8:97:26:b9:54:6a:02:c7:ac:77:05:b7
-        Signature Algorithm: sha256WithRSAEncryption
-        Issuer: CN = GreptimeDBRootCA
-        Validity
-            Not Before: Sep 16 11:37:56 2025 GMT
-            Not After : Sep 16 11:37:56 2026 GMT
-        Subject: CN = GreptimeDBRootCA
-        Subject Public Key Info:
-            Public Key Algorithm: rsaEncryption
-                Public-Key: (2048 bit)
-                Modulus:
-                    00:d3:38:dc:73:16:e7:4e:54:75:f6:39:37:b1:25:
-                    89:2b:e4:ba:26:2f:2f:b6:d1:3c:7b:c7:f1:54:a1:
-                    74:9d:d6:55:56:1a:e6:b3:ec:e8:d9:db:e7:47:46:
-                    f9:02:48:ee:d8:09:c6:52:7b:5d:49:5b:40:8a:27:
-                    23:49:ee:66:3a:7c:19:38:3a:ae:ac:a8:d8:75:a9:
-                    f5:96:d2:34:9a:ba:50:ff:05:27:ae:3b:3b:19:9c:
-                    30:58:1d:03:9f:a0:10:97:1f:ac:f7:65:d2:cd:ff:
-                    9f:10:72:40:3b:48:02:c7:b7:60:cb:7b:ca:cb:2d:
-                    27:a3:a3:84:7f:86:a4:62:e2:1b:c5:bd:4d:f0:56:
-                    3b:79:f7:fc:79:c9:da:5f:46:f4:36:f6:fe:02:8e:
-                    65:8b:a3:2f:4d:ac:f4:9e:ce:1b:a5:69:aa:ef:6d:
-                    84:58:39:02:b4:29:46:bf:df:22:91:d3:1d:80:22:
-                    2c:22:09:9d:1b:e5:5f:f7:81:14:91:b6:ae:9d:d1:
-                    da:f5:f1:5a:28:a4:f9:78:76:af:0f:cc:f0:2a:9d:
-                    e2:72:e1:ea:15:88:c6:50:c0:59:94:66:de:94:2e:
-                    7d:dd:be:76:8f:5e:7d:19:52:1b:1a:55:9c:77:8f:
-                    38:30:c4:17:6d:fd:d2:bd:51:80:60:0c:33:1c:19:
-                    f9:bf
-                Exponent: 65537 (0x10001)
-        X509v3 extensions:
-            X509v3 Subject Key Identifier: 
-                72:31:6A:B3:7E:6D:53:42:6F:0C:1F:7B:1B:49:C2:1D:1C:59:F2:B9
-            X509v3 Authority Key Identifier: 
-                72:31:6A:B3:7E:6D:53:42:6F:0C:1F:7B:1B:49:C2:1D:1C:59:F2:B9
-            X509v3 Basic Constraints: critical
-                CA:TRUE
-    Signature Algorithm: sha256WithRSAEncryption
-    Signature Value:
-        be:8d:13:94:bd:9c:57:31:9b:80:88:5f:40:5b:fe:60:c3:7f:
-        a3:b3:e0:7a:41:db:3b:50:9e:63:50:46:f8:14:8a:15:01:b7:
-        e1:fb:66:93:2a:c5:fc:35:91:cd:30:d2:46:b3:93:f5:6c:25:
-        da:ee:22:35:be:9c:04:d8:40:3d:40:8d:67:09:dd:d6:fb:52:
-        4e:07:7f:cf:1a:5a:c0:8b:2c:6f:56:3b:8c:e4:c1:db:1a:e9:
-        37:93:44:43:18:7e:2d:5f:e2:bc:03:24:7a:c2:d9:6a:14:51:
-        53:0d:81:c0:1d:1c:04:89:a0:7a:2d:54:23:d8:b3:36:25:b1:
-        60:f5:71:e2:07:ab:62:49:9e:1a:f4:ef:37:91:1b:95:99:1f:
-        f9:58:59:54:0d:86:4b:9b:f4:18:fb:34:36:ce:6a:89:54:24:
-        fa:92:d5:e5:b2:80:c9:8a:b7:aa:86:fc:be:51:49:b1:ce:8f:
-        a6:be:e9:c7:d8:2e:6d:17:19:7e:e2:7d:a6:d0:38:2a:43:c8:
-        8d:bf:5c:4c:42:80:1d:36:32:c4:5c:f0:82:8c:89:8b:da:d4:
-        0d:c2:e7:65:af:ff:3b:d7:f5:e3:c4:3c:34:6d:e4:71:eb:fc:
-        8f:fc:54:08:f6:d6:4a:06:36:3d:5b:2b:3c:1f:a6:97:88:9d:
-        e4:b2:25:49
 -----BEGIN CERTIFICATE-----
-MIIDFzCCAf+gAwIBAgIUJAANmUI5kHbIlya5VGoCx6x3BbcwDQYJKoZIhvcNAQEL
-BQAwGzEZMBcGA1UEAwwQR3JlcHRpbWVEQlJvb3RDQTAeFw0yNTA5MTYxMTM3NTZa
-Fw0yNjA5MTYxMTM3NTZaMBsxGTAXBgNVBAMMEEdyZXB0aW1lREJSb290Q0EwggEi
-MA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQDTONxzFudOVHX2OTexJYkr5Lom
-Ly+20Tx7x/FUoXSd1lVWGuaz7OjZ2+dHRvkCSO7YCcZSe11JW0CKJyNJ7mY6fBk4
-Oq6sqNh1qfWW0jSaulD/BSeuOzsZnDBYHQOfoBCXH6z3ZdLN/58QckA7SALHt2DL
-e8rLLSejo4R/hqRi4hvFvU3wVjt59/x5ydpfRvQ29v4CjmWLoy9NrPSezhulaarv
-bYRYOQK0KUa/3yKR0x2AIiwiCZ0b5V/3gRSRtq6d0dr18VoopPl4dq8PzPAqneJy
-4eoViMZQwFmUZt6ULn3dvnaPXn0ZUhsaVZx3jzgwxBdt/dK9UYBgDDMcGfm/AgMB
-AAGjUzBRMB0GA1UdDgQWBBRyMWqzfm1TQm8MH3sbScIdHFnyuTAfBgNVHSMEGDAW
-gBRyMWqzfm1TQm8MH3sbScIdHFnyuTAPBgNVHRMBAf8EBTADAQH/MA0GCSqGSIb3
-DQEBCwUAA4IBAQC+jROUvZxXMZuAiF9AW/5gw3+js+B6Qds7UJ5jUEb4FIoVAbfh
-+2aTKsX8NZHNMNJGs5P1bCXa7iI1vpwE2EA9QI1nCd3W+1JOB3/PGlrAiyxvVjuM
-5MHbGuk3k0RDGH4tX+K8AyR6wtlqFFFTDYHAHRwEiaB6LVQj2LM2JbFg9XHiB6ti
-SZ4a9O83kRuVmR/5WFlUDYZLm/QY+zQ2zmqJVCT6ktXlsoDJireqhvy+UUmxzo+m
-vunH2C5tFxl+4n2m0DgqQ8iNv1xMQoAdNjLEXPCCjImL2tQNwudlr/871/XjxDw0
-beRx6/yP/FQI9tZKBjY9Wys8H6aXiJ3ksiVJ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 -----END CERTIFICATE-----
diff --git a/tests-integration/fixtures/certs/root.key b/tests-integration/fixtures/certs/root.key
index b46ef7838af..555f324991e 100644
--- a/tests-integration/fixtures/certs/root.key
+++ b/tests-integration/fixtures/certs/root.key
@@ -1,28 +1,52 @@
 -----BEGIN PRIVATE KEY-----
-MIIEvQIBADANBgkqhkiG9w0BAQEFAASCBKcwggSjAgEAAoIBAQDTONxzFudOVHX2
-OTexJYkr5LomLy+20Tx7x/FUoXSd1lVWGuaz7OjZ2+dHRvkCSO7YCcZSe11JW0CK
-JyNJ7mY6fBk4Oq6sqNh1qfWW0jSaulD/BSeuOzsZnDBYHQOfoBCXH6z3ZdLN/58Q
-ckA7SALHt2DLe8rLLSejo4R/hqRi4hvFvU3wVjt59/x5ydpfRvQ29v4CjmWLoy9N
-rPSezhulaarvbYRYOQK0KUa/3yKR0x2AIiwiCZ0b5V/3gRSRtq6d0dr18VoopPl4
-dq8PzPAqneJy4eoViMZQwFmUZt6ULn3dvnaPXn0ZUhsaVZx3jzgwxBdt/dK9UYBg
-DDMcGfm/AgMBAAECggEAHji3ihwP0mxRSH6dUlJdkxMx8z6zJARCFC/ifspvJhpB
-sYU91yahlnJZYCBuhn4q9mxHnQubqGBPFrVM3konBF03Oo1i6r9p4UQFKKRA9JaN
-+j8hk1NUPHDVlfXoy9EaLpVQqUE/bUwS1UaTnCfMhgjd5595v6JhVo+R6LE6Gg+f
-aBfvwZT35pZnDG4JNguxl5jCTr1tnyi3QDQkOIjwP0hyjJlO4RZ6KkBZVtphfaiy
-+2jEpovAtS831Imph4rCNZ17dmZ2Hn8n7TswUUT8yASqpgR8Eq88y0S9pqOjbK4Z
-wbxGGwzLu8amTcRd3HXErBTykbqj0TcKbE+e0CQomQKBgQD1WIWXxwrVQehuiHqr
-nMxbU/RwsLglv2oGJ4/yrobvkRMK7O4zscVKDuRciHrAHL7AlYj6wj1jCE9HjJ6n
-LJtaE89xTxKEX6SJkFrHBfzdqZYzMfbbK+vASsFYrkCTcxHqjKhGKtepxjdf5KwD
-lXHQsKQklLWORnpzktmwlSkF3QKBgQDcZP2eliaHrLV/uTQqJMO4AHU+1+sm2yXL
-EockQ7t6zxydhixVsKcfMei7K+f3G/3geehIInEW+CanJyo6CVc8LTHp/w3jN+Pl
-bR2Vhc4M9jhl/JucPpCrpNFb0+eb52IgRoU51HZ6at98fPs1pkEVOEeEXv8BHfPO
-w7IHWisqSwKBgAVeTH4Hsur7qDRS9CwxIB+XdK/Kjhz1VUKRNwseWoF/cSU6DfQ/
-nYuDS+fibJ0rg9j+7KJgAavbELEGGKqbxUJxUIawLj2LQjRoXjQgo2nOPiUcoMQm
-79+jQxvHpE4VpHy3Wy893L4wQiHtBP6HFJh2ZQEP5/EXBbLlsbG1cdJZAoGBAKf2
-p3rm/7JCo4gVg3Xi0u42GySrtWDFf0YGdsvies0bbrl2ee9MU/FoPe/3hC9FO/SJ
-s8bVyM4yjHKzXHEikUMhRnsIkHLsM1i0EenUMbabJ1xCae1nmSXW1F9hXY/phVUH
-qZzrGOgu7ueW8HRwogUkAQ0WwMz/IMIhTlpgE6mFAoGAOKktvlw4LpLsM5d18ycI
-LPGlXJBMRsbQVkn9F2gBDm1EudFhSz/UWHVrjIjKy1ldNoIXBTP4k/+mZmgL/sHY
-9oy1NswlhZqImz6yedudMsudVzu0mRvZqwIK41bqi8ajkp5YTC4fIgKIILysB+YT
-FfVzb/lOZCmysmZm3Mfe8Ug=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+Yyviz3zPcAJsg0uCPP/PLj4O/yYv9lQULjTIeFJWI3HDSuiKOJrFrZrQ2c1YLJpY
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+nWB5oYbwYhr8e3vWGDagDh51JyRsM9RGFGnBcWn41j/RCkMAXrUXH2ugmUyvMzys
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+C1nb0ObLOj3Jb+r0P/aKZoyRVyj5Sj0lgWQkTawKWAjD5Y1/3+O+wBMTJKSOpfCd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 -----END PRIVATE KEY-----
diff --git a/tests-integration/fixtures/certs/server.crt b/tests-integration/fixtures/certs/server.crt
index b004401afde..04ee393d352 100644
--- a/tests-integration/fixtures/certs/server.crt
+++ b/tests-integration/fixtures/certs/server.crt
@@ -1,77 +1,31 @@
-Certificate:
-    Data:
-        Version: 3 (0x2)
-        Serial Number:
-            21:a9:23:bb:36:e6:40:b3:e7:54:96:a4:3a:32:ed:8f:38:cc:10:8e
-        Signature Algorithm: sha256WithRSAEncryption
-        Issuer: CN = GreptimeDBRootCA
-        Validity
-            Not Before: Sep 16 11:37:56 2025 GMT
-            Not After : Sep 16 11:37:56 2026 GMT
-        Subject: CN = greptime
-        Subject Public Key Info:
-            Public Key Algorithm: rsaEncryption
-                Public-Key: (2048 bit)
-                Modulus:
-                    00:b5:df:d8:cd:4a:f2:6f:d0:1f:75:07:f5:ec:2b:
-                    44:af:59:94:c1:47:e1:8e:ad:a9:84:00:50:25:7f:
-                    91:1b:4d:0b:b7:d1:cb:95:7f:f5:83:f5:c1:c2:4c:
-                    83:6a:2b:99:7b:e6:a8:0a:4d:c5:fc:24:24:17:e1:
-                    30:df:5f:31:0a:97:96:9c:1f:0f:10:63:a2:6d:be:
-                    7c:f9:09:df:6e:87:bd:a0:94:6c:ee:71:60:a1:c2:
-                    9a:8c:04:69:eb:7e:0c:46:57:99:30:a3:46:89:d2:
-                    f2:8e:7e:5b:be:07:77:07:22:bd:6b:4a:6b:dd:40:
-                    e5:d2:bd:a7:d7:18:49:4b:d9:6b:73:64:48:b8:29:
-                    05:64:da:88:9b:2c:f4:eb:88:5e:e7:3e:f7:81:28:
-                    55:56:cb:df:07:23:20:49:39:a3:d8:c7:cf:d1:23:
-                    2b:f2:72:e1:95:1d:1c:72:ac:e7:60:09:40:c2:be:
-                    5c:c0:50:d7:79:6c:28:61:5c:55:b2:2a:2c:99:6b:
-                    29:4c:f7:4d:17:bc:d5:ba:44:56:0e:f0:61:24:42:
-                    05:e2:c0:77:c2:19:53:82:10:c0:31:a7:8f:01:88:
-                    71:87:46:d5:2b:00:75:33:06:3d:e3:bf:ff:dc:a9:
-                    6b:63:8f:14:60:88:a7:c6:85:18:4a:33:31:56:fb:
-                    1e:cb
-                Exponent: 65537 (0x10001)
-        X509v3 extensions:
-            X509v3 Subject Alternative Name: 
-                DNS:localhost, IP Address:127.0.0.1
-            X509v3 Subject Key Identifier: 
-                0D:54:D1:9C:02:61:1C:37:23:8C:E2:1D:4F:F6:00:66:C0:FD:97:54
-            X509v3 Authority Key Identifier: 
-                72:31:6A:B3:7E:6D:53:42:6F:0C:1F:7B:1B:49:C2:1D:1C:59:F2:B9
-    Signature Algorithm: sha256WithRSAEncryption
-    Signature Value:
-        5d:61:15:7d:9e:60:05:bb:2c:e6:b0:a4:eb:9b:15:91:00:d3:
-        91:65:b6:87:bd:29:ce:17:93:8b:81:fb:c3:ed:97:6e:c9:93:
-        1d:5b:0d:35:1e:a8:cd:9d:ca:ae:70:84:cc:af:c6:ff:a9:d3:
-        b1:1c:cc:da:90:15:7b:85:19:80:3d:c9:dc:94:5d:28:fa:c5:
-        2d:32:6e:48:d9:f1:74:62:18:d0:f7:9d:3a:80:8b:75:7a:4d:
-        4a:a7:7a:8a:b4:28:d4:6d:6e:98:d6:96:4d:fc:a0:b1:ee:89:
-        35:b8:3f:b7:07:29:34:dc:dc:be:c9:eb:6d:fd:fd:86:3d:11:
-        e1:8c:3e:00:84:91:15:ef:d5:c9:6a:ec:31:73:02:fb:81:ef:
-        1a:c9:7f:62:a0:7f:8e:d0:d7:f0:b4:59:ba:a3:3f:e8:fb:04:
-        b3:ad:f9:9a:4e:ee:11:64:ca:a5:5a:4f:4a:36:ad:0e:55:82:
-        37:6e:8b:6f:b3:a6:89:e0:a9:45:df:f4:1f:d3:7c:76:bd:d8:
-        a4:9d:44:7d:89:70:76:b4:4f:5f:02:99:13:3c:d5:11:d5:6f:
-        ca:f8:7a:26:a1:c3:d9:c1:cb:3a:89:7c:97:bf:0d:90:0d:78:
-        37:ec:cb:6d:0f:13:a8:8f:f1:3e:f6:a9:82:22:1e:97:9c:e4:
-        0f:8d:6c:3e
 -----BEGIN CERTIFICATE-----
-MIIDGjCCAgKgAwIBAgIUIakjuzbmQLPnVJakOjLtjzjMEI4wDQYJKoZIhvcNAQEL
-BQAwGzEZMBcGA1UEAwwQR3JlcHRpbWVEQlJvb3RDQTAeFw0yNTA5MTYxMTM3NTZa
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+xkyqQ8Qw4M5kFXCOkxziPGjsQXKVLcbTnAIh3wcQZr8mgcVmtMxQ2BZKcyqCrCSd
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+RKSX3LpRl9tau6O+oV8=
 -----END CERTIFICATE-----
diff --git a/tests-integration/fixtures/certs/server.key b/tests-integration/fixtures/certs/server.key
index 16282cfd409..f2ce37dbc2c 100644
--- a/tests-integration/fixtures/certs/server.key
+++ b/tests-integration/fixtures/certs/server.key
@@ -1,28 +1,52 @@
 -----BEGIN PRIVATE KEY-----
-MIIEvwIBADANBgkqhkiG9w0BAQEFAASCBKkwggSlAgEAAoIBAQC139jNSvJv0B91
-B/XsK0SvWZTBR+GOramEAFAlf5EbTQu30cuVf/WD9cHCTINqK5l75qgKTcX8JCQX
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-ggjGS2/AuAzFB2Pb1QsfoBHA7Q==
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+5cgCHJYsFbwfNHAnfVOPT9SA2EaiOA==
 -----END PRIVATE KEY-----
diff --git a/tests/compatibility/ci.toml b/tests/compatibility/ci.toml
index 817474add13..e56d67a26f2 100644
--- a/tests/compatibility/ci.toml
+++ b/tests/compatibility/ci.toml
@@ -6,7 +6,7 @@
 # exercised by nightly runs (--nightly-window); they are not retained in the PR
 # window. Run .github/scripts/update-compat-versions.py --update --published-only
 # after release tags land.
-from_versions = ["v1.1.4", "v1.2.0"]
+from_versions = ["v1.1.4", "v1.2.1"]
 
 # Recent releases that must be able to reopen tables written by the PR build.
 downgrade_to_versions = ["v1.1.4"]