diff --git a/changelog_unreleased/angular/20014.md b/changelog_unreleased/angular/20014.md
deleted file mode 100644
index 3bfb0ef09..000000000
--- a/changelog_unreleased/angular/20014.md
+++ /dev/null
@@ -1,22 +0,0 @@
-#### Support `@boundary` error boundaries (#20014 by @Yahiro025)
-
-<!-- prettier-ignore -->
-```html
-<!-- Input -->
-@boundary {
-<complex-chart [data]="data"/>
-}
-@error (let err) {
-<p>{{err.message}}</p>
-}
-
-<!-- Prettier stable -->
-SyntaxError: Unexpected character "EOF" (Do you have an unescaped "{" in your template? Use "{{ '{' }}") to escape it.) (6:1)
-
-<!-- Prettier main -->
-@boundary {
-  <complex-chart [data]="data" />
-} @error (let err) {
-  <p>{{ err.message }}</p>
-}
-```
diff --git a/changelog_unreleased/javascript/19725.md b/changelog_unreleased/javascript/19725.md
deleted file mode 100644
index 088f037de..000000000
--- a/changelog_unreleased/javascript/19725.md
+++ /dev/null
@@ -1,38 +0,0 @@
-#### Fix embedded template literal idempotency (#19725 by @fisker)
-
-<!-- prettier-ignore -->
-```jsx
-// Input
-const foo = html`
-            <div>${getText({
-            value,
-            })}</div>
-`;
-
-// Prettier stable (first format)
-const foo = html`
-  <div>
-    ${getText({
-              value,
-            })}
-  </div>
-`;
-
-// Prettier stable (second format)
-const foo = html`
-  <div>
-    ${getText({
-      value,
-    })}
-  </div>
-`;
-
-// Prettier main
-const foo = html`
-  <div>
-    ${getText({
-      value,
-    })}
-  </div>
-`;
-```
diff --git a/changelog_unreleased/markdown/19647.md b/changelog_unreleased/markdown/19647.md
deleted file mode 100644
index 813a730d5..000000000
--- a/changelog_unreleased/markdown/19647.md
+++ /dev/null
@@ -1,22 +0,0 @@
-#### Prevent indentation drift in list-item code blocks (#19647, #19990 by @Austin1serb, @giaBaoJS)
-
-<!-- prettier-ignore -->
-```markdown
-<!-- Input -->
-- [x] short first line.
-
-      second paragraph at six spaces that wraps
-      onto another line here.
-
-<!-- Prettier stable -->
-- [x] short first line.
-
-      second paragraph at six spaces that wraps
-          onto another line here.
-
-<!-- Prettier main -->
-- [x] short first line.
-
-      second paragraph at six spaces that wraps
-      onto another line here.
-```
diff --git a/changelog_unreleased/markdown/19730.md b/changelog_unreleased/markdown/19730.md
deleted file mode 100644
index 82aa68636..000000000
--- a/changelog_unreleased/markdown/19730.md
+++ /dev/null
@@ -1,27 +0,0 @@
-#### Preserve Liquid blocks after Markdown tables (#19730 by @wanxiankai, @seiyab)
-
-<!-- prettier-ignore -->
-```markdown
-<!-- Input -->
-| Argument | Type |
-| -------- | ---- |
-{% set default_params = {
-    "model": ["str"],
-} %}
-
-<!-- Prettier stable -->
-| Argument                  | Type |
-| ------------------------- | ---- |
-| {% set default_params = { |
-
-    "model": ["str"],
-
-} %}
-
-<!-- Prettier main -->
-| Argument | Type |
-| -------- | ---- |
-{% set default_params = {
-    "model": ["str"],
-} %}
-```
diff --git a/changelog_unreleased/markdown/19739.md b/changelog_unreleased/markdown/19739.md
deleted file mode 100644
index a4ed6a496..000000000
--- a/changelog_unreleased/markdown/19739.md
+++ /dev/null
@@ -1,15 +0,0 @@
-#### Preserve single tildes in Markdown (#19739 by @lazerg)
-
-Since 3.9.0, single-tilde spans like `H~2~O` were rewritten to double tildes, turning subscript syntax into strike-through. Only double tildes are treated that way now, matching GitHub.
-
-<!-- prettier-ignore -->
-```markdown
-<!-- Input -->
-H~2~O
-
-<!-- Prettier stable -->
-H~~2~~O
-
-<!-- Prettier main -->
-H~2~O
-```
diff --git a/changelog_unreleased/markdown/19802.md b/changelog_unreleased/markdown/19802.md
deleted file mode 100644
index b3e670c80..000000000
--- a/changelog_unreleased/markdown/19802.md
+++ /dev/null
@@ -1,13 +0,0 @@
-#### Fix Markdown blockquote containing `>` characters (#19802 by @seiyab)
-
-<!-- prettier-ignore -->
-```md
-<!-- Input -->
-> **test**\>
-
-<!-- Prettier stable -->
-> **test**>\>
-
-<!-- Prettier main -->
-> **test**\>
-```
diff --git a/changelog_unreleased/markdown/19878.md b/changelog_unreleased/markdown/19878.md
deleted file mode 100644
index 61af67a38..000000000
--- a/changelog_unreleased/markdown/19878.md
+++ /dev/null
@@ -1,20 +0,0 @@
-#### Strip blockquote markers from a setext heading's continuation lines (#19878 by @Kjubikstronk)
-
-A setext heading spanning multiple lines inside a blockquote kept the `>` marker of its continuation lines as literal text.
-
-<!-- prettier-ignore -->
-```md
-<!-- Input -->
-> Multi
-> Line
-> ===
-
-<!-- Prettier stable -->
-> Multi > Line
-> ===
-
-<!-- Prettier main -->
-> Multi
-> Line
-> ===
-```
diff --git a/changelog_unreleased/markdown/19987.md b/changelog_unreleased/markdown/19987.md
deleted file mode 100644
index 49fcd70ea..000000000
--- a/changelog_unreleased/markdown/19987.md
+++ /dev/null
@@ -1,25 +0,0 @@
-#### Fix HTML block indentation drift in markdown list items (#19987 by @lazerg)
-
-<!-- prettier-ignore -->
-```markdown
-<!-- Input -->
-1. Enable images:
-
-    <p align="center">
-      <img alt="example">
-    </p>
-
-<!-- Prettier stable (--tab-width=4) -->
-1. Enable images:
-
-     <p align="center">
-       <img alt="example">
-     </p>
-
-<!-- Prettier main (--tab-width=4) -->
-1. Enable images:
-
-    <p align="center">
-      <img alt="example">
-    </p>
-```