diff --git a/common/changes/@rushstack/heft-api-extractor-plugin/heft-1.0_2025-09-12-22-18.json b/common/changes/@rushstack/heft-api-extractor-plugin/heft-1.0_2025-09-12-22-18.json
new file mode 100644
index 00000000000..4a7f0bc8f16
--- /dev/null
+++ b/common/changes/@rushstack/heft-api-extractor-plugin/heft-1.0_2025-09-12-22-18.json
@@ -0,0 +1,11 @@
+{
+  "changes": [
+    {
+      "comment": "Release Heft version 1.0.0",
+      "type": "major",
+      "packageName": "@rushstack/heft-api-extractor-plugin"
+    }
+  ],
+  "packageName": "@rushstack/heft-api-extractor-plugin",
+  "email": "iclanton@users.noreply.github.com"
+}
\ No newline at end of file
diff --git a/common/changes/@rushstack/heft-dev-cert-plugin/heft-1.0_2025-09-12-22-18.json b/common/changes/@rushstack/heft-dev-cert-plugin/heft-1.0_2025-09-12-22-18.json
new file mode 100644
index 00000000000..eec375b957d
--- /dev/null
+++ b/common/changes/@rushstack/heft-dev-cert-plugin/heft-1.0_2025-09-12-22-18.json
@@ -0,0 +1,11 @@
+{
+  "changes": [
+    {
+      "comment": "Release Heft version 1.0.0",
+      "type": "major",
+      "packageName": "@rushstack/heft-dev-cert-plugin"
+    }
+  ],
+  "packageName": "@rushstack/heft-dev-cert-plugin",
+  "email": "iclanton@users.noreply.github.com"
+}
\ No newline at end of file
diff --git a/common/changes/@rushstack/heft-isolated-typescript-transpile-plugin/heft-1.0_2025-09-12-22-18.json b/common/changes/@rushstack/heft-isolated-typescript-transpile-plugin/heft-1.0_2025-09-12-22-18.json
new file mode 100644
index 00000000000..082e2605199
--- /dev/null
+++ b/common/changes/@rushstack/heft-isolated-typescript-transpile-plugin/heft-1.0_2025-09-12-22-18.json
@@ -0,0 +1,11 @@
+{
+  "changes": [
+    {
+      "comment": "Release Heft version 1.0.0",
+      "type": "major",
+      "packageName": "@rushstack/heft-isolated-typescript-transpile-plugin"
+    }
+  ],
+  "packageName": "@rushstack/heft-isolated-typescript-transpile-plugin",
+  "email": "iclanton@users.noreply.github.com"
+}
\ No newline at end of file
diff --git a/common/changes/@rushstack/heft-jest-plugin/heft-1.0_2025-09-12-22-18.json b/common/changes/@rushstack/heft-jest-plugin/heft-1.0_2025-09-12-22-18.json
new file mode 100644
index 00000000000..3a11619e522
--- /dev/null
+++ b/common/changes/@rushstack/heft-jest-plugin/heft-1.0_2025-09-12-22-18.json
@@ -0,0 +1,11 @@
+{
+  "changes": [
+    {
+      "comment": "Release Heft version 1.0.0",
+      "type": "major",
+      "packageName": "@rushstack/heft-jest-plugin"
+    }
+  ],
+  "packageName": "@rushstack/heft-jest-plugin",
+  "email": "iclanton@users.noreply.github.com"
+}
\ No newline at end of file
diff --git a/common/changes/@rushstack/heft-json-schema-typings-plugin/heft-1.0_2025-09-12-22-18.json b/common/changes/@rushstack/heft-json-schema-typings-plugin/heft-1.0_2025-09-12-22-18.json
new file mode 100644
index 00000000000..41bf96389a1
--- /dev/null
+++ b/common/changes/@rushstack/heft-json-schema-typings-plugin/heft-1.0_2025-09-12-22-18.json
@@ -0,0 +1,11 @@
+{
+  "changes": [
+    {
+      "comment": "Release Heft version 1.0.0",
+      "type": "major",
+      "packageName": "@rushstack/heft-json-schema-typings-plugin"
+    }
+  ],
+  "packageName": "@rushstack/heft-json-schema-typings-plugin",
+  "email": "iclanton@users.noreply.github.com"
+}
\ No newline at end of file
diff --git a/common/changes/@rushstack/heft-lint-plugin/heft-1.0_2025-09-12-22-18.json b/common/changes/@rushstack/heft-lint-plugin/heft-1.0_2025-09-12-22-18.json
new file mode 100644
index 00000000000..4ed15e870f6
--- /dev/null
+++ b/common/changes/@rushstack/heft-lint-plugin/heft-1.0_2025-09-12-22-18.json
@@ -0,0 +1,11 @@
+{
+  "changes": [
+    {
+      "comment": "Release Heft version 1.0.0",
+      "type": "major",
+      "packageName": "@rushstack/heft-lint-plugin"
+    }
+  ],
+  "packageName": "@rushstack/heft-lint-plugin",
+  "email": "iclanton@users.noreply.github.com"
+}
\ No newline at end of file
diff --git a/common/changes/@rushstack/heft-localization-typings-plugin/heft-1.0_2025-09-12-22-18.json b/common/changes/@rushstack/heft-localization-typings-plugin/heft-1.0_2025-09-12-22-18.json
new file mode 100644
index 00000000000..687261f6b8f
--- /dev/null
+++ b/common/changes/@rushstack/heft-localization-typings-plugin/heft-1.0_2025-09-12-22-18.json
@@ -0,0 +1,11 @@
+{
+  "changes": [
+    {
+      "comment": "Release Heft version 1.0.0",
+      "type": "major",
+      "packageName": "@rushstack/heft-localization-typings-plugin"
+    }
+  ],
+  "packageName": "@rushstack/heft-localization-typings-plugin",
+  "email": "iclanton@users.noreply.github.com"
+}
\ No newline at end of file
diff --git a/common/changes/@rushstack/heft-node-rig/heft-1.0_2025-09-12-22-22.json b/common/changes/@rushstack/heft-node-rig/heft-1.0_2025-09-12-22-22.json
new file mode 100644
index 00000000000..b38c5128201
--- /dev/null
+++ b/common/changes/@rushstack/heft-node-rig/heft-1.0_2025-09-12-22-22.json
@@ -0,0 +1,11 @@
+{
+  "changes": [
+    {
+      "comment": "Release Heft version 1.0.0",
+      "type": "minor",
+      "packageName": "@rushstack/heft-node-rig"
+    }
+  ],
+  "packageName": "@rushstack/heft-node-rig",
+  "email": "iclanton@users.noreply.github.com"
+}
\ No newline at end of file
diff --git a/common/changes/@rushstack/heft-sass-load-themed-styles-plugin/heft-1.0_2025-09-12-22-18.json b/common/changes/@rushstack/heft-sass-load-themed-styles-plugin/heft-1.0_2025-09-12-22-18.json
new file mode 100644
index 00000000000..5a263d72505
--- /dev/null
+++ b/common/changes/@rushstack/heft-sass-load-themed-styles-plugin/heft-1.0_2025-09-12-22-18.json
@@ -0,0 +1,11 @@
+{
+  "changes": [
+    {
+      "comment": "Release Heft version 1.0.0",
+      "type": "major",
+      "packageName": "@rushstack/heft-sass-load-themed-styles-plugin"
+    }
+  ],
+  "packageName": "@rushstack/heft-sass-load-themed-styles-plugin",
+  "email": "iclanton@users.noreply.github.com"
+}
\ No newline at end of file
diff --git a/common/changes/@rushstack/heft-sass-plugin/heft-1.0_2025-09-12-22-18.json b/common/changes/@rushstack/heft-sass-plugin/heft-1.0_2025-09-12-22-18.json
new file mode 100644
index 00000000000..e350d484188
--- /dev/null
+++ b/common/changes/@rushstack/heft-sass-plugin/heft-1.0_2025-09-12-22-18.json
@@ -0,0 +1,11 @@
+{
+  "changes": [
+    {
+      "comment": "Release Heft version 1.0.0",
+      "type": "major",
+      "packageName": "@rushstack/heft-sass-plugin"
+    }
+  ],
+  "packageName": "@rushstack/heft-sass-plugin",
+  "email": "iclanton@users.noreply.github.com"
+}
\ No newline at end of file
diff --git a/common/changes/@rushstack/heft-serverless-stack-plugin/heft-1.0_2025-09-12-22-18.json b/common/changes/@rushstack/heft-serverless-stack-plugin/heft-1.0_2025-09-12-22-18.json
new file mode 100644
index 00000000000..2a740707bf3
--- /dev/null
+++ b/common/changes/@rushstack/heft-serverless-stack-plugin/heft-1.0_2025-09-12-22-18.json
@@ -0,0 +1,11 @@
+{
+  "changes": [
+    {
+      "comment": "Release Heft version 1.0.0",
+      "type": "major",
+      "packageName": "@rushstack/heft-serverless-stack-plugin"
+    }
+  ],
+  "packageName": "@rushstack/heft-serverless-stack-plugin",
+  "email": "iclanton@users.noreply.github.com"
+}
\ No newline at end of file
diff --git a/common/changes/@rushstack/heft-storybook-plugin/heft-1.0_2025-09-12-22-18.json b/common/changes/@rushstack/heft-storybook-plugin/heft-1.0_2025-09-12-22-18.json
new file mode 100644
index 00000000000..1d02c54a481
--- /dev/null
+++ b/common/changes/@rushstack/heft-storybook-plugin/heft-1.0_2025-09-12-22-18.json
@@ -0,0 +1,11 @@
+{
+  "changes": [
+    {
+      "comment": "Release Heft version 1.0.0",
+      "type": "major",
+      "packageName": "@rushstack/heft-storybook-plugin"
+    }
+  ],
+  "packageName": "@rushstack/heft-storybook-plugin",
+  "email": "iclanton@users.noreply.github.com"
+}
\ No newline at end of file
diff --git a/common/changes/@rushstack/heft-typescript-plugin/heft-1.0_2025-09-12-22-18.json b/common/changes/@rushstack/heft-typescript-plugin/heft-1.0_2025-09-12-22-18.json
new file mode 100644
index 00000000000..0068ace2113
--- /dev/null
+++ b/common/changes/@rushstack/heft-typescript-plugin/heft-1.0_2025-09-12-22-18.json
@@ -0,0 +1,11 @@
+{
+  "changes": [
+    {
+      "comment": "Release Heft version 1.0.0",
+      "type": "major",
+      "packageName": "@rushstack/heft-typescript-plugin"
+    }
+  ],
+  "packageName": "@rushstack/heft-typescript-plugin",
+  "email": "iclanton@users.noreply.github.com"
+}
\ No newline at end of file
diff --git a/common/changes/@rushstack/heft-vscode-extension-plugin/heft-1.0_2025-09-12-22-18.json b/common/changes/@rushstack/heft-vscode-extension-plugin/heft-1.0_2025-09-12-22-18.json
new file mode 100644
index 00000000000..256c275d0a7
--- /dev/null
+++ b/common/changes/@rushstack/heft-vscode-extension-plugin/heft-1.0_2025-09-12-22-18.json
@@ -0,0 +1,11 @@
+{
+  "changes": [
+    {
+      "comment": "Release Heft version 1.0.0",
+      "type": "major",
+      "packageName": "@rushstack/heft-vscode-extension-plugin"
+    }
+  ],
+  "packageName": "@rushstack/heft-vscode-extension-plugin",
+  "email": "iclanton@users.noreply.github.com"
+}
\ No newline at end of file
diff --git a/common/changes/@rushstack/heft-vscode-extension-rig/heft-1.0_2025-09-12-22-18.json b/common/changes/@rushstack/heft-vscode-extension-rig/heft-1.0_2025-09-12-22-18.json
new file mode 100644
index 00000000000..b385e977e92
--- /dev/null
+++ b/common/changes/@rushstack/heft-vscode-extension-rig/heft-1.0_2025-09-12-22-18.json
@@ -0,0 +1,11 @@
+{
+  "changes": [
+    {
+      "comment": "Release Heft version 1.0.0",
+      "type": "major",
+      "packageName": "@rushstack/heft-vscode-extension-rig"
+    }
+  ],
+  "packageName": "@rushstack/heft-vscode-extension-rig",
+  "email": "iclanton@users.noreply.github.com"
+}
\ No newline at end of file
diff --git a/common/changes/@rushstack/heft-web-rig/heft-1.0_2025-09-12-22-18.json b/common/changes/@rushstack/heft-web-rig/heft-1.0_2025-09-12-22-18.json
new file mode 100644
index 00000000000..d98e9c11dae
--- /dev/null
+++ b/common/changes/@rushstack/heft-web-rig/heft-1.0_2025-09-12-22-18.json
@@ -0,0 +1,11 @@
+{
+  "changes": [
+    {
+      "comment": "Release Heft version 1.0.0",
+      "type": "major",
+      "packageName": "@rushstack/heft-web-rig"
+    }
+  ],
+  "packageName": "@rushstack/heft-web-rig",
+  "email": "iclanton@users.noreply.github.com"
+}
\ No newline at end of file
diff --git a/common/changes/@rushstack/heft-webpack4-plugin/heft-1.0_2025-09-12-22-18.json b/common/changes/@rushstack/heft-webpack4-plugin/heft-1.0_2025-09-12-22-18.json
new file mode 100644
index 00000000000..5f1b5372cdd
--- /dev/null
+++ b/common/changes/@rushstack/heft-webpack4-plugin/heft-1.0_2025-09-12-22-18.json
@@ -0,0 +1,11 @@
+{
+  "changes": [
+    {
+      "comment": "Release Heft version 1.0.0",
+      "type": "major",
+      "packageName": "@rushstack/heft-webpack4-plugin"
+    }
+  ],
+  "packageName": "@rushstack/heft-webpack4-plugin",
+  "email": "iclanton@users.noreply.github.com"
+}
\ No newline at end of file
diff --git a/common/changes/@rushstack/heft-webpack5-plugin/heft-1.0_2025-09-12-22-18.json b/common/changes/@rushstack/heft-webpack5-plugin/heft-1.0_2025-09-12-22-18.json
new file mode 100644
index 00000000000..2c64eb72709
--- /dev/null
+++ b/common/changes/@rushstack/heft-webpack5-plugin/heft-1.0_2025-09-12-22-18.json
@@ -0,0 +1,11 @@
+{
+  "changes": [
+    {
+      "comment": "Release Heft version 1.0.0",
+      "type": "major",
+      "packageName": "@rushstack/heft-webpack5-plugin"
+    }
+  ],
+  "packageName": "@rushstack/heft-webpack5-plugin",
+  "email": "iclanton@users.noreply.github.com"
+}
\ No newline at end of file
diff --git a/common/changes/@rushstack/heft/heft-1.0_2025-09-12-22-18.json b/common/changes/@rushstack/heft/heft-1.0_2025-09-12-22-18.json
new file mode 100644
index 00000000000..8542c9512ad
--- /dev/null
+++ b/common/changes/@rushstack/heft/heft-1.0_2025-09-12-22-18.json
@@ -0,0 +1,11 @@
+{
+  "changes": [
+    {
+      "comment": "Release Heft version 1.0.0",
+      "type": "major",
+      "packageName": "@rushstack/heft"
+    }
+  ],
+  "packageName": "@rushstack/heft",
+  "email": "iclanton@users.noreply.github.com"
+}
\ No newline at end of file