diff --git a/.github/scripts/update-changelog.js b/.github/scripts/update-changelog.js
index b0dd9ec0bf..a575df68ec 100644
--- a/.github/scripts/update-changelog.js
+++ b/.github/scripts/update-changelog.js
@@ -1,37 +1,6 @@
 const fs = require("fs");
 
-const addedContent = fs
-  .readFileSync("added-content.txt")
-  .toString()
-  .split("\n");
-
-if (
-  addedContent.length === 0 ||
-  (addedContent.length > 0 && addedContent[0] === "")
-) {
-  return;
-}
-
-const currentDate = new Date();
-const currentYear = currentDate.getFullYear();
-const monthNames = [
-  "Январь",
-  "Февраль",
-  "Март",
-  "Апрель",
-  "Май",
-  "Июнь",
-  "Июль",
-  "Август",
-  "Сентябрь",
-  "Октябрь",
-  "Ноябрь",
-  "Декабрь",
-];
-const currentMonth = monthNames[currentDate.getMonth()];
-const header = `## ${currentMonth} ${currentYear}`;
-
-const contentList = addedContent.map((fileName) => {
+function extractInfo(fileName) {
   if (fs.existsSync(fileName)) {
     const url = `https://doka.guide/${fileName.replace("index.md", "")}`;
     const date = process.argv[2];
@@ -50,6 +19,7 @@ const contentList = addedContent.map((fileName) => {
       .split("\n")
       .slice(1, -1)
       .map((s) => s.replace("  - ", ""))
+      .filter((a) => a !== 'doka-dog')
       .map((a) => {
         const authorFileName = `./people/${a}/index.md`;
         if (fs.existsSync(authorFileName)) {
@@ -65,23 +35,90 @@ const contentList = addedContent.map((fileName) => {
 
     return `- ${date}, [${title}](${url}), ${authors.join(", ")}`;
   }
-});
+  return null;
+}
+
+const changelogFileName = "./CHANGELOG.md";
+
+const currentDate = new Date();
+const currentYear = currentDate.getFullYear();
+const monthNames = [
+  "Январь",
+  "Февраль",
+  "Март",
+  "Апрель",
+  "Май",
+  "Июнь",
+  "Июль",
+  "Август",
+  "Сентябрь",
+  "Октябрь",
+  "Ноябрь",
+  "Декабрь",
+];
+const currentMonth = monthNames[currentDate.getMonth()];
+const header = `## ${currentMonth} ${currentYear}`;
+
+const addedContent = fs
+  .readFileSync("added-content.txt")
+  .toString()
+  .split("\n");
+
+if (
+  addedContent.length === 0 ||
+  (addedContent.length > 0 && addedContent[0] === "")
+) {
+  return;
+}
+
+const addedContentList = addedContent.map((fileName) => extractInfo(fileName));
+
+if (addedContentList.length > 0) {
+  if (fs.existsSync(changelogFileName)) {
+    const changelog = fs.readFileSync(changelogFileName).toString().split("\n");
+    if (changelog.filter((s) => s.startsWith("## ")).includes(header)) {
+      const headerPosition = changelog.findIndex((s) => s === header);
+      changelog.splice(headerPosition + 2, 0, ...addedContentList);
+    } else {
+      const headerPosition = 4;
+      changelog.splice(headerPosition, 0, ...[header, "", ""]);
+      changelog.splice(headerPosition + 2, 0, ...addedContentList);
+    }
+    fs.writeFileSync(changelogFileName, changelog.join("\n"));
+    console.log("Новые материалы добавлены в CHANGELOG.md");
+  }
+} else {
+  console.log("Нечего добавлять из списка новых материалов в CHANGELOG.md");
+}
+
+const updatedContent = fs
+  .readFileSync("updated-content.txt")
+  .toString()
+  .split("\n");
+
+if (
+  updatedContent.length === 0 ||
+  (updatedContent.length > 0 && updatedContent[0] === "")
+) {
+  return;
+}
+
+const updatedContentList = updatedContent.map((fileName) => extractInfo(fileName));
 
-if (contentList.length > 0) {
-  const changelogFileName = "./CHANGELOG.md";
+if (updatedContentList.length > 0) {
   if (fs.existsSync(changelogFileName)) {
     const changelog = fs.readFileSync(changelogFileName).toString().split("\n");
     if (changelog.filter((s) => s.startsWith("## ")).includes(header)) {
       const headerPosition = changelog.findIndex((s) => s === header);
-      changelog.splice(headerPosition + 2, 0, ...contentList);
+      changelog.splice(headerPosition + 2, 0, ...updatedContentList);
     } else {
       const headerPosition = 4;
       changelog.splice(headerPosition, 0, ...[header, "", ""]);
-      changelog.splice(headerPosition + 2, 0, ...contentList);
+      changelog.splice(headerPosition + 2, 0, ...updatedContentList);
     }
     fs.writeFileSync(changelogFileName, changelog.join("\n"));
-    console.log("Записи добавлены в CHANGELOG.md");
+    console.log("Бывшие плейсхолдеры добавлены в CHANGELOG.md");
   }
 } else {
-  console.log("Нечего добавлять в CHANGELOG.md");
+  console.log("Нечего добавлять из списка бывших плейсхолдеров в CHANGELOG.md");
 }
diff --git a/.github/scripts/update-changelog.sh b/.github/scripts/update-changelog.sh
index 138483e254..188c6dc685 100644
--- a/.github/scripts/update-changelog.sh
+++ b/.github/scripts/update-changelog.sh
@@ -1,5 +1,6 @@
 #!/bin/bash
 git diff --name-status HEAD^ HEAD | grep '^A' | grep -E '(html|css|js|tools|a11y|recipes)\/.*\/index\.md' | sed 's/^A\t//g' > added-content.txt
+git diff -S"placeholder" --name-status HEAD^ HEAD | grep '^M' | grep -E '(html|css|js|tools|a11y|recipes)\/.*\/index\.md' | sed 's/^M\t//g' > updated-content.txt
 
 if [ -s added-content.txt ]; then
     MONTH_TO_RUS() {
@@ -28,6 +29,7 @@ if [ -s added-content.txt ]; then
     node .github/scripts/update-changelog.js "$FORMATTED_DATE"
 
     rm -f added-content.txt
+    rm -f updated-content.txt
 
     if [[ -z $(git status -s) ]]
     then
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 84fc46ec31..0c49cfe67c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,10 +5,11 @@
 ## Июль 2024
 
 - 23 июля, [Слайдер](https://doka.guide/recipes/slider/), Анна Бараулина
-
 - 22 июля, [Стилизация чекбоксов и радиокнопок](https://doka.guide/recipes/checkbox-radio-style/), Михаил Кривдин
+- 19 июля, [`.isSubsetOf()`](https://doka.guide/js/set-is-subset-of/), Viktar Nezhbart
 - 19 июля, [`.intersection()`](https://doka.guide/js/set-intersection/), Viktar Nezhbart
 - 19 июля, [`.difference()`](https://doka.guide/js/set-difference/), Viktar Nezhbart
+- 16 июля, [`Atomics`](https://doka.guide/js/atomics/), Всеволод Золотов
 - 12 июля, [`.union()`](https://doka.guide/js/set-union/), Viktar Nezhbart
 - 1 июля, [`.symmetricDifference()`](https://doka.guide/js/set-symmetric-difference/), Viktar Nezhbart