diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index aacda65a..d4c06c0d 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -75,6 +75,8 @@ repos:
     rev: v0.11.0.1
     hooks:
       - id: shellcheck
+        # Exclude zsh scripts (unsupported by shellcheck)
+        exclude: ^cicd_utils/find-unmentioned-prs\.sh$
 
   # mdformat is not enabled by default, but can be run manually with:
   #   pre-commit run mdformat --all-files --hook-stage manual
diff --git a/MANIFEST.in b/MANIFEST.in
index a1de031e..13c169dc 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -33,7 +33,7 @@ prune docs/api/public
 
 # Misc
 recursive-include .github *.yml *.yaml
-recursive-include cicd_utils README.md *.py
+recursive-include cicd_utils README.md *.py *.sh
 recursive-include misc *.py *.ipynb *.txt *.png
 recursive-include requirements *.txt
 recursive-include tests *.py
diff --git a/cicd_utils/find-unmentioned-prs.sh b/cicd_utils/find-unmentioned-prs.sh
new file mode 100755
index 00000000..4f54ab3d
--- /dev/null
+++ b/cicd_utils/find-unmentioned-prs.sh
@@ -0,0 +1,81 @@
+#!/usr/bin/env zsh
+
+# Script to find PRs not mentioned in the changelog
+#
+# Disclaimer: This script was auto-generated by Claude Code.
+#
+# Usage: ./cicd_utils/find-unmentioned-prs.sh
+#
+# Note: Take a look at the `all_prs=($(gh pr list ...))` line to see all the filters used to fetch PRs.
+#
+# Requirements:
+# * GitHub CLI (gh) must be installed and authenticated.
+# * jq must be installed for JSON parsing.
+# * The changelog file must exist at ./docs/reference/changelog.md
+# * The script assumes the main branch is named 'main'
+# * PRs are referenced in the changelog using the pattern {gh-pr}`PR-NUMBER`
+# * The script should be run from the root of the repository
+
+set -e
+
+CHANGELOG_FILE="./docs/reference/changelog.md"
+
+# Check if changelog file exists
+if [[ ! -f "$CHANGELOG_FILE" ]]; then
+    echo "Error: Changelog file not found at $CHANGELOG_FILE"
+    exit 1
+fi
+
+# Check if gh CLI is available
+if ! command -v gh &> /dev/null; then
+    echo "Error: GitHub CLI (gh) is not installed"
+    exit 1
+fi
+
+echo "🔍 Finding PRs not mentioned in changelog..."
+echo
+
+# Get all PR numbers from GitHub (both open and closed)
+echo "📥 Fetching all PRs from GitHub..."
+all_prs=($(gh pr list --state merged --base main --label 'skip news' --search 'merged:>2025-09-01' --limit 100 --json number --jq '.[].number'))
+if [[ ${#all_prs[@]} -eq 0 ]]; then
+    echo "No PRs found in this repository."
+    exit 0
+fi
+
+echo "Found ${#all_prs[@]} total PRs"
+
+# Extract PR numbers mentioned in changelog using the pattern {gh-pr}`PR-NUMBER`
+echo "📖 Parsing changelog for mentioned PRs..."
+mentioned_prs=($(grep -o '{gh-pr}`[0-9]\+`' "$CHANGELOG_FILE" | sed 's/{gh-pr}`\([0-9]\+\)`/\1/' | sort -n | uniq))
+
+echo "Found ${#mentioned_prs[@]} PRs mentioned in changelog"
+echo
+
+# Find PRs not mentioned in changelog
+unmentioned_prs=()
+
+for pr in "${all_prs[@]}"; do
+    if [[ ! " ${mentioned_prs[*]} " =~ " $pr " ]]; then
+        unmentioned_prs+=($pr)
+    fi
+done
+
+# Display results
+if [[ ${#unmentioned_prs[@]} -eq 0 ]]; then
+    echo "✅ All PRs are mentioned in the changelog!"
+else
+    echo "📋 PRs not mentioned in changelog (${#unmentioned_prs[@]} total):"
+    echo
+
+    for pr in "${unmentioned_prs[@]}"; do
+        # Get PR title and URL for better readability
+        pr_info=$(gh pr view "$pr" --json title,url --jq '{title: .title, url: .url}')
+        pr_title=$(echo "$pr_info" | jq -r '.title')
+        pr_url=$(echo "$pr_info" | jq -r '.url')
+
+        echo "  #$pr: $pr_title"
+        echo "       $pr_url"
+        echo
+    done
+fi
diff --git a/docs/development/release_process.md b/docs/development/release_process.md
index 32631f25..2d2f4927 100644
--- a/docs/development/release_process.md
+++ b/docs/development/release_process.md
@@ -6,7 +6,7 @@
 You need to have push-access to the project's repository to make releases. Therefore, the following release steps are intended to be used as a reference for maintainers or [collaborators](https://docs.github.com/en/account-and-profile/setting-up-and-managing-your-personal-account-on-github/managing-user-account-settings/permission-levels-for-a-personal-account-repository#collaborator-access-for-a-repository-owned-by-a-personal-account) with push-access to the repository.
 :::
 
-1. Review the **`## Unreleased changes`** section at the top of the {repo-file}`docs/reference/changelog.md` file and, if necessary, group and/or split entries into relevant subsections (e.g., _Features_, _Docs_, _Bugfixes_, _Security_, etc.). Take a look at previous release notes for guidance and try to keep the format consistent.
+1. Review the **`## Unreleased changes`** section at the top of the {repo-file}`docs/reference/changelog.md` file and, if necessary, group and/or split entries into relevant subsections (e.g., _Features_, _Docs_, _Bugfixes_, _Security_, etc.). Take a look at previous release notes for guidance and try to keep the format consistent. You can also use the `./cicd_utils/find-unmentioned-prs.sh` helper script to find merged PRs that were not mentioned in the changelog yet.
 2. [Review](https://github.com/tpvasconcelos/ridgeplot/compare) new usages of `.. versionadded::`, `.. versionchanged::`, and `.. deprecated::` directives that were added to the documentation since the last release. If necessary, update the version numbers in these directives to reflect the new release version.
    * You can determine the latest release version by running `git describe --tags --abbrev=0` on the `main` branch. Based on this, you can determine the next release version by incrementing the relevant _MAJOR_, _MINOR_, or _PATCH_ numbers.
 3. **IMPORTANT:** Remember to switch to the `main` branch and pull the latest changes before proceeding.
diff --git a/docs/reference/changelog.md b/docs/reference/changelog.md
index 9fd16e67..862a85cb 100644
--- a/docs/reference/changelog.md
+++ b/docs/reference/changelog.md
@@ -13,6 +13,19 @@ Unreleased changes
 
 - Deprecated the `show_yticklabels` argument in favor of the new more general and flexible `row_labels` argument ({gh-pr}`333`)
 
+### CI/CD
+
+- Add `./cicd_utils/find-unmentioned-prs.sh` helper script to find merged PRs that were not mentioned in the changelog yet ({gh-pr}`334`)
+- Bump actions/first-interaction from 1 to 3 ({gh-pr}`331`)
+- Bump actions/checkout from 4 to 5 ({gh-pr}`330`)
+- Bump actions/download-artifact from 4 to 5 ({gh-pr}`329`)
+- Bump sigstore/gh-action-sigstore-python from 3.0.0 to 3.0.1 ({gh-pr}`326`)
+- pre-commit autoupdate ({gh-pr}`324`)
+
+### Dependencies
+
+- Remove `importlib_metadata` usage from `conf.py` ({gh-pr}`332`)
+
 ---
 
 0.3.2
@@ -23,6 +36,10 @@ Unreleased changes
 - Fix regression tests for Plotly 6.0+ by updating the JSON test artifacts ({gh-pr}`313`)
 - Add an `OFFLINE`-mode option to the Makefile and make `uv` compulsory for local development ({gh-pr}`322`)
 
+### Documentation
+
+- Bump the Plotly JS version used in Sphinx from 2.35.2 to 3.0.0 ({gh-pr}`317`)
+
 ---
 
 0.3.1