diff --git a/content/account-and-profile/how-tos/setting-up-and-managing-your-personal-account-on-github/managing-your-personal-account/merging-multiple-personal-accounts.md b/content/account-and-profile/how-tos/setting-up-and-managing-your-personal-account-on-github/managing-your-personal-account/merging-multiple-personal-accounts.md
index 37e6f224da8b..3b0cff4a54a5 100644
--- a/content/account-and-profile/how-tos/setting-up-and-managing-your-personal-account-on-github/managing-your-personal-account/merging-multiple-personal-accounts.md
+++ b/content/account-and-profile/how-tos/setting-up-and-managing-your-personal-account-on-github/managing-your-personal-account/merging-multiple-personal-accounts.md
@@ -39,8 +39,11 @@ shortTitle: Merge multiple accounts
 1. [Transfer any repositories](/repositories/creating-and-managing-repositories/transferring-a-repository) from the account you want to delete to the account you want to keep. Issues, pull requests, and wikis are transferred as well. Verify the repositories exist on the account you want to keep.
 1. [Update the remote URLs](/get-started/git-basics/managing-remote-repositories) in any local clones of the repositories that were moved.
 1. [Delete the account](/account-and-profile/setting-up-and-managing-your-personal-account-on-github/managing-your-personal-account/deleting-your-personal-account) you no longer want to use.
-1. To attribute past commits to the new account, add the email address you used to author the commits to the account you're keeping. For more information, see [AUTOTITLE](/account-and-profile/setting-up-and-managing-your-github-profile/managing-contribution-settings-on-your-profile/why-are-my-contributions-not-showing-up-on-my-profile#your-local-git-commit-email-isnt-connected-to-your-account)
+1. To attribute past commits to the new account, add the email address you used to author the commits to the account you're keeping.
+   > [!NOTE]
+   > There are additional requirements for commits to count as contributions that you will need to ensure are met. See [AUTOTITLE](/account-and-profile/reference/why-are-my-contributions-not-showing-up-on-my-profile#contribution-criteria-for-commits).
 
 ## Further reading
 
 * [AUTOTITLE](/get-started/learning-about-github/types-of-github-accounts)
+* [AUTOTITLE](/account-and-profile/reference/best-practices-for-leaving-your-company)
diff --git a/content/get-started/writing-on-github/working-with-advanced-formatting/attaching-files.md b/content/get-started/writing-on-github/working-with-advanced-formatting/attaching-files.md
index 826da91b9dac..06fe38b4fe1b 100644
--- a/content/get-started/writing-on-github/working-with-advanced-formatting/attaching-files.md
+++ b/content/get-started/writing-on-github/working-with-advanced-formatting/attaching-files.md
@@ -57,10 +57,10 @@ The maximum file size is:
 
 ## Supported file types
 
-### Image and media files
-
 The following image and media file types are supported in all contexts.
 
+### Image and media files
+
 * PNG (`.png`)
 * GIF (`.gif`)
 * JPEG (`.jpg`, `.jpeg`)
@@ -72,39 +72,46 @@ The following image and media file types are supported in all contexts.
   > [!NOTE]
   > Video codec compatibility is browser specific, and it's possible that a video you upload to one browser is not viewable on another browser. At the moment we recommend using H.264 for greatest compatibility.
 
-### Additional file types
+## Additional file types
 
 The following file types are supported for uploads in issue comments, pull request comments, and discussion comments within repositories. This list of file types is also supported in organization discussions.
 
-### Supported file types for uploads
-
-#### Documents
+### Documents
 
 * PDFs (`.pdf`)
-* Microsoft Office documents (`.docx`, `.pptx`, `.xlsx`, `.xls`, `.xlsm`)
+* Microsoft Office documents (`.docx`, `.pptx`, `.xlsx`, `.xls`{% ifversion fpt or ghec or ghes > 3.18 %}` ,.xlsm`{% endif %})
+{%- ifversion fpt or ghec or ghes > 3.18 %}
 * OpenDocument formats (`.odt`, `.fodt`, `.ods`, `.fods`, `.odp`, `.fodp`, `.odg`, `.fodg`, `.odf`)
 * Rich text and word processing files (`.rtf`, `.doc`)
+{%- endif %}
 
-#### Text and data files
+### Text and data files
 
-* Plain text and markup (`.txt`, `.md`, `.copilotmd`)
-* Data and tabular files (`.csv`, `.tsv`, `.log`, `.json`, `.jsonc`)
+* Plain text and markup (`.txt`{% ifversion fpt or ghec or ghes > 3.18 %}, `.md`, `.copilotmd`{% endif %})
+* Data and tabular files (`.csv`,{% ifversion fpt or ghec or ghes > 3.18 %} `.tsv`,{% endif %} `.log`, `.json`, `.jsonc`)
 
-#### Development and code files
+### Development and code files
 
+{%- ifversion fpt or ghec or ghes > 3.18 %}
 * C files (`.c`)
 * C# files (`.cs`)
 * C++ files (`.cpp`)
 * CSS files (`.css`)
 * Diagrams (`.drawio`)
+{%- endif %}
 * Dump files (`.dmp`)
+{%- ifversion fpt or ghec or ghes > 3.18 %}
 * HTML files (`.html`, `.htm`)
 * Java files (`.java`)
 * JavaScript files (`.js`)
 * Jupyter notebooks (`.ipynb`)
+{%- endif %}
 * Patch files (`.patch`)
+{%- ifversion fpt or ghec or ghes > 3.18 %}
 * PHP files (`.php`)
+{%- endif %}
 * Profiling files (`.cpuprofile`)
+{%- ifversion fpt or ghec or ghes > 3.18 %}
 * Program database files (`.pdb`)
 * Python files (`.py`)
 * Shell scripts (`.sh`)
@@ -112,22 +119,26 @@ The following file types are supported for uploads in issue comments, pull reque
 * TypeScript files (`.ts`, `.tsx`)
 * XML files (`.xml`)
 * YAML files (`.yaml`, `.yml`)
+{%- endif %}
 
 > [!NOTE]
 > If you use Linux and try to upload a `.patch` file, you will receive an error message. This is a known issue.
 
-#### Archive and compressed files
+### Archive and compressed files
 
 * Archives and packages (`.zip`, `.gz`, `.tgz`)
 
-#### Communication and logs
+{% ifversion fpt or ghec or ghes > 3.18 %}
+
+### Communication and logs
 
 * Text and email files (`.debug`, `.msg`, `.eml`)
 
-#### Images
+### Images
 
 * Bitmap and TIFF images (`.bmp`, `.tif`, `.tiff`)
 
-#### Audio
+### Audio
 
 * Audio files (`.mp3`, `.wav`)
+{% endif %}
diff --git a/content/repositories/configuring-branches-and-merges-in-your-repository/managing-rulesets/managing-rulesets-for-a-repository.md b/content/repositories/configuring-branches-and-merges-in-your-repository/managing-rulesets/managing-rulesets-for-a-repository.md
index 01fb2c13f283..e84706b0b127 100644
--- a/content/repositories/configuring-branches-and-merges-in-your-repository/managing-rulesets/managing-rulesets-for-a-repository.md
+++ b/content/repositories/configuring-branches-and-merges-in-your-repository/managing-rulesets/managing-rulesets-for-a-repository.md
@@ -75,18 +75,7 @@ You can also view active ruselets:
 
 {% ifversion repo-rules-management %}
 
-## Using ruleset history
-
-{% data reusables.repositories.ruleset-beta-note %}
-
-{% data reusables.repositories.ruleset-history-conceptual %}
-
-{% data reusables.repositories.navigate-to-repo %}
-{% data reusables.repositories.sidebar-settings %}
-{% data reusables.repositories.repo-rulesets-settings %}
-{% data reusables.repositories.ruleset-history %}
-
-### Importing a ruleset
+## Importing a ruleset
 
 {% data reusables.repositories.import-a-ruleset-conceptual %}
 
@@ -99,6 +88,17 @@ You can also view active ruselets:
 
 {% ifversion repo-rules-enterprise %}
 
+## Using ruleset history
+
+{% data reusables.repositories.ruleset-beta-note %}
+
+{% data reusables.repositories.ruleset-history-conceptual %}
+
+{% data reusables.repositories.navigate-to-repo %}
+{% data reusables.repositories.sidebar-settings %}
+{% data reusables.repositories.repo-rulesets-settings %}
+{% data reusables.repositories.ruleset-history %}
+
 ## Viewing insights for rulesets
 
 You can view insights for rulesets to see how rulesets are affecting a repository. {% data reusables.repositories.about-ruleset-insights %}
diff --git a/data/reusables/user-settings/copilot-settings.md b/data/reusables/user-settings/copilot-settings.md
index 7549ba1311d4..ad17d3ac0679 100644
--- a/data/reusables/user-settings/copilot-settings.md
+++ b/data/reusables/user-settings/copilot-settings.md
@@ -1 +1 @@
-1. In the upper-right corner of any page on {% data variables.product.prodname_dotcom %}, click your profile picture, then click **{% octicon "copilot" aria-hidden="true" aria-label="copilot" %} Your Copilot**.
+1. In the upper-right corner of any page on {% data variables.product.prodname_dotcom %}, click your profile picture, then click **{% octicon "copilot" aria-hidden="true" aria-label="copilot" %} Copilot settings**.
diff --git a/data/ui.yml b/data/ui.yml
index b6b1bfbe690d..8c37525f7cf4 100644
--- a/data/ui.yml
+++ b/data/ui.yml
@@ -63,7 +63,7 @@ search:
       invalid_query: Sorry, I'm unable to answer that question. Please try asking a different question.
     response:
       copy_code: Copy code to clipboard
-      copy_code_lang: Copy {language} code to clipboard, block {block}
+      copy_code_lang: Copy {language} code to clipboard
       copied_code: Copied!
   failure:
     general_title: There was an error loading search results.
diff --git a/src/fixtures/fixtures/data/ui.yml b/src/fixtures/fixtures/data/ui.yml
index b6b1bfbe690d..8c37525f7cf4 100644
--- a/src/fixtures/fixtures/data/ui.yml
+++ b/src/fixtures/fixtures/data/ui.yml
@@ -63,7 +63,7 @@ search:
       invalid_query: Sorry, I'm unable to answer that question. Please try asking a different question.
     response:
       copy_code: Copy code to clipboard
-      copy_code_lang: Copy {language} code to clipboard, block {block}
+      copy_code_lang: Copy {language} code to clipboard
       copied_code: Copied!
   failure:
     general_title: There was an error loading search results.
diff --git a/src/frame/components/ui/MarkdownContent/UnrenderedMarkdownContent.tsx b/src/frame/components/ui/MarkdownContent/UnrenderedMarkdownContent.tsx
index 5cf786eff35b..5ec757365297 100644
--- a/src/frame/components/ui/MarkdownContent/UnrenderedMarkdownContent.tsx
+++ b/src/frame/components/ui/MarkdownContent/UnrenderedMarkdownContent.tsx
@@ -12,21 +12,6 @@ import useCopyClipboard from '@/rest/components/useClipboard'
 import { EventType } from '@/events/types'
 import { sendEvent } from '@/events/components/events'
 
-// Create a unique identifier by sampling characters distributed across content
-function getBlockId(text: string, targetLength: number = 8) {
-  const alphanumeric = text.replace(/[^a-zA-Z0-9]+/g, '').toLowerCase()
-  if (!alphanumeric || alphanumeric.length <= targetLength) {
-    return Math.random().toString(36).substring(2, 10)
-  }
-  const step = alphanumeric.length / targetLength
-  let result = ''
-  for (let i = 0; i < targetLength; i++) {
-    const index = Math.floor(i * step)
-    result += alphanumeric[index]
-  }
-  return result
-}
-
 export type MarkdownContentPropsT = {
   children: string
   className?: string
@@ -44,7 +29,7 @@ export const UnrenderedMarkdownContent = ({
   className,
   openLinksInNewTab = true,
   includeQueryParams = true,
-  codeBlocksCopyable = true,
+  codeBlocksCopyable = false,
   eventGroupKey = '',
   eventGroupId = '',
   ...restProps
@@ -80,9 +65,10 @@ export const UnrenderedMarkdownContent = ({
         if (isCopied) {
           return t('search.ai.response.copied_code')
         }
-        return t('search.ai.response.copy_code_lang')
-          .replace('{language}', language ? `${language} ` : '')
-          .replace('{block}', getBlockId(text))
+        return t('search.ai.response.copy_code_lang').replace(
+          '{language}',
+          language ? `${language} ` : '',
+        )
       }
 
       return (