diff --git a/_data/docs.yml b/_data/docs.yml
index 1c038d466a7..328338c31e8 100644
--- a/_data/docs.yml
+++ b/_data/docs.yml
@@ -66,7 +66,7 @@ apis:
     versions:
       # enable or disable links; 0 = disabled, 1 = enabled
       legacy: 1
-      stable: 1
+      stable: 0
       nightly: 0
   cucim:
     name: cuCIM
diff --git a/_data/previous_releases.json b/_data/previous_releases.json
index 8229b44171c..71636f4d166 100644
--- a/_data/previous_releases.json
+++ b/_data/previous_releases.json
@@ -1,4 +1,43 @@
 [
+  {
+    "version": "26.02",
+    "ucxx_version": "0.48",
+    "cudf_dev": {
+      "start": "Nov 13 2025",
+      "end": "Jan 14 2026",
+      "days": "39"
+    },
+    "other_dev": {
+      "start": "Nov 20 2025",
+      "end": "Jan 21 2026",
+      "days": "39"
+    },
+    "cudf_burndown": {
+      "start": "Jan 15 2026",
+      "end": "Jan 21 2026",
+      "days": "5"
+    },
+    "other_burndown": {
+      "start": "Jan 22 2026",
+      "end": "Jan 28 2026",
+      "days": "5"
+    },
+    "cudf_codefreeze": {
+      "start": "Jan 22 2026",
+      "end": "Feb 3 2026",
+      "days": "9"
+    },
+    "other_codefreeze": {
+      "start": "Jan 29 2026",
+      "end": "Feb 3 2026",
+      "days": "4"
+    },
+    "release": {
+      "start": "Feb 4 2026",
+      "end": "Feb 5 2026",
+      "days": "2"
+    }
+  },
   {
     "version": "25.12",
     "ucxx_version": "0.47",
diff --git a/_data/releases.json b/_data/releases.json
index 0c30d5b6cca..691edc6c018 100644
--- a/_data/releases.json
+++ b/_data/releases.json
@@ -1,54 +1,15 @@
 {
   "legacy": {
-    "version": "25.10",
-    "ucxx_version": "0.46",
-    "date": "Oct 9 2025"
-  },
-  "stable": {
     "version": "25.12",
     "ucxx_version": "0.47",
     "date": "Dec 10 2025"
   },
-  "nightly": {
+  "stable": {
     "version": "26.02",
     "ucxx_version": "0.48",
-    "cudf_dev": {
-      "start": "Nov 13 2025",
-      "end": "Jan 14 2026",
-      "days": "39"
-    },
-    "other_dev": {
-      "start": "Nov 20 2025",
-      "end": "Jan 21 2026",
-      "days": "39"
-    },
-    "cudf_burndown": {
-      "start": "Jan 15 2026",
-      "end": "Jan 21 2026",
-      "days": "5"
-    },
-    "other_burndown": {
-      "start": "Jan 22 2026",
-      "end": "Jan 28 2026",
-      "days": "5"
-    },
-    "cudf_codefreeze": {
-      "start": "Jan 22 2026",
-      "end": "Feb 3 2026",
-      "days": "9"
-    },
-    "other_codefreeze": {
-      "start": "Jan 29 2026",
-      "end": "Feb 3 2026",
-      "days": "4"
-    },
-    "release": {
-      "start": "Feb 4 2026",
-      "end": "Feb 5 2026",
-      "days": "2"
-    }
+    "date": "Feb 5 2026"
   },
-  "next_nightly": {
+  "nightly": {
     "version": "26.04",
     "ucxx_version": "0.49",
     "cudf_dev": {
@@ -86,5 +47,44 @@
       "end": "Apr 9 2026",
       "days": "2"
     }
+  },
+  "next_nightly": {
+    "version": "26.06",
+    "ucxx_version": "0.50",
+    "cudf_dev": {
+      "start": "Mar 12 2026",
+      "end": "May 13 2026",
+      "days": "43"
+    },
+    "other_dev": {
+      "start": "Mar 19 2026",
+      "end": "May 20 2026",
+      "days": "43"
+    },
+    "cudf_burndown": {
+      "start": "May 14 2026",
+      "end": "May 19 2026",
+      "days": "4"
+    },
+    "other_burndown": {
+      "start": "May 21 2026",
+      "end": "May 27 2026",
+      "days": "4"
+    },
+    "cudf_codefreeze": {
+      "start": "May 21 2026",
+      "end": "Jun 2 2026",
+      "days": "8"
+    },
+    "other_codefreeze": {
+      "start": "May 28 2026",
+      "end": "Jun 2 2026",
+      "days": "4"
+    },
+    "release": {
+      "start": "Jun 3 2026",
+      "end": "Jun 4 2026",
+      "days": "2"
+    }
   }
 }
diff --git a/ci/customization/projects-to-versions.json b/ci/customization/projects-to-versions.json
index 8e6bba84863..46fec7ef6fb 100644
--- a/ci/customization/projects-to-versions.json
+++ b/ci/customization/projects-to-versions.json
@@ -1,106 +1,105 @@
 {
   "cudf": {
-    "legacy": "25.10",
-    "stable": "25.12",
-    "nightly": "26.02"
+    "legacy": "25.12",
+    "stable": "26.02",
+    "nightly": "26.04"
   },
   "dask-cudf": {
-    "legacy": "25.10",
-    "stable": "25.12",
-    "nightly": "26.02"
+    "legacy": "25.12",
+    "stable": "26.02",
+    "nightly": "26.04"
   },
   "cuml": {
-    "legacy": "25.10",
-    "stable": "25.12",
-    "nightly": "26.02"
+    "legacy": "25.12",
+    "stable": "26.02",
+    "nightly": "26.04"
   },
   "cugraph": {
-    "legacy": "25.10",
-    "stable": "25.12",
-    "nightly": "26.02"
+    "legacy": "25.12",
+    "stable": "26.02",
+    "nightly": "26.04"
   },
   "cuxfilter": {
-    "legacy": "25.10",
-    "stable": "25.12",
-    "nightly": "26.02"
+    "legacy": "25.12",
+    "stable": "26.02",
+    "nightly": "26.04"
   },
   "cudf-java": {
-    "legacy": "25.10",
-    "stable": "25.12"
+    "legacy": "25.12"
   },
   "cucim": {
-    "legacy": "25.10",
-    "stable": "25.12",
-    "nightly": "26.02"
+    "legacy": "25.12",
+    "stable": "26.02",
+    "nightly": "26.04"
   },
   "cuvs": {
-    "legacy": "25.10",
-    "stable": "25.12",
-    "nightly": "26.02"
+    "legacy": "25.12",
+    "stable": "26.02",
+    "nightly": "26.04"
   },
   "kvikio": {
-    "legacy": "25.10",
-    "stable": "25.12",
-    "nightly": "26.02"
+    "legacy": "25.12",
+    "stable": "26.02",
+    "nightly": "26.04"
   },
   "raft": {
-    "legacy": "25.10",
-    "stable": "25.12",
-    "nightly": "26.02"
+    "legacy": "25.12",
+    "stable": "26.02",
+    "nightly": "26.04"
   },
   "dask-cuda": {
-    "legacy": "25.10",
-    "stable": "25.12",
-    "nightly": "26.02"
+    "legacy": "25.12",
+    "stable": "26.02",
+    "nightly": "26.04"
   },
   "rmm": {
-    "legacy": "25.10",
-    "stable": "25.12",
-    "nightly": "26.02"
+    "legacy": "25.12",
+    "stable": "26.02",
+    "nightly": "26.04"
   },
   "rapidsmpf": {
-    "legacy": "25.10",
-    "stable": "25.12",
-    "nightly": "26.02"
+    "legacy": "25.12",
+    "stable": "26.02",
+    "nightly": "26.04"
   },
   "ucxx": {
-    "stable": "0.47",
-    "nightly": "0.48"
+    "stable": "0.48",
+    "nightly": "0.49"
   },
   "librmm": {
-    "legacy": "25.10",
-    "stable": "25.12",
-    "nightly": "26.02"
+    "legacy": "25.12",
+    "stable": "26.02",
+    "nightly": "26.04"
   },
   "libcudf": {
-    "legacy": "25.10",
-    "stable": "25.12",
-    "nightly": "26.02"
+    "legacy": "25.12",
+    "stable": "26.02",
+    "nightly": "26.04"
   },
   "libcuml": {
-    "legacy": "25.10",
-    "stable": "25.12",
-    "nightly": "26.02"
+    "legacy": "25.12",
+    "stable": "26.02",
+    "nightly": "26.04"
   },
   "libkvikio": {
-    "legacy": "25.10",
-    "stable": "25.12",
-    "nightly": "26.02"
+    "legacy": "25.12",
+    "stable": "26.02",
+    "nightly": "26.04"
   },
   "librapidsmpf": {
-    "legacy": "25.10",
-    "stable": "25.12",
-    "nightly": "26.02"
+    "legacy": "25.12",
+    "stable": "26.02",
+    "nightly": "26.04"
   },
   "libucxx": {
-    "legacy": "0.46",
-    "stable": "0.47",
-    "nightly": "0.48"
+    "legacy": "0.47",
+    "stable": "0.48",
+    "nightly": "0.49"
   },
   "rapids-cmake": {
-    "legacy": "25.10",
-    "stable": "25.12",
-    "nightly": "26.02"
+    "legacy": "25.12",
+    "stable": "26.02",
+    "nightly": "26.04"
   },
   "cuproj": {
     "legacy": "25.02",