diff --git a/release-notes-published/12.0.0.md b/release-notes-published/12.0.0.md
index f52480cc88..b160502750 100644
--- a/release-notes-published/12.0.0.md
+++ b/release-notes-published/12.0.0.md
@@ -78,6 +78,15 @@
   - [PR](https://codeberg.org/forgejo/forgejo/pulls/7387): <!--number 7387 --><!--line 0 --><!--description aW5jbHVkZSBhIGRlZmF1bHQgcm9ib3RzLnR4dCB0byByZWR1Y2UgdGhlIGltcGFjdCBvZiBjcmF3bGVycw==-->include a default robots.txt to reduce the impact of crawlers. [Read more in the v12.0 companion blog post](https://forgejo.org/2025-07-release-v12-0/#default-robotstxt).<!--description-->
   - [PR](https://codeberg.org/forgejo/forgejo/pulls/7212): <!--number 7212 --><!--line 0 --><!--description dXNlIFhPUk0gRW5naW5lR3JvdXAgaW5zdGVhZCBvZiBzaW5nbGUgRW5naW5lIGNvbm5lY3Rpb24=-->use XORM EngineGroup instead of single Engine connection. [Read more in the v12.0 companion blog post](https://forgejo.org/2025-07-release-v12-0/#xorm-enginegroup-connections-for-optimized-database-query-routing-and-load-balancing).<!--description-->
   - [PR](https://codeberg.org/forgejo/forgejo/pulls/2364): <!--number 2364 --><!--line 0 --><!--description c3luYyBmb3Jrcw==-->sync forks. [Read more in the v12.0 companion blog post](https://forgejo.org/2025-07-release-v12-0/#keeping-forks-in-sync).<!--description-->
+  - [PR](https://codeberg.org/forgejo/forgejo/pulls/7459): Update of Chroma from v2.15.0: to v2.16.0:
+    - [`0bf0e9f`](https://github.com/alecthomas/chroma/commit/0bf0e9f): add luau file extension and alias to lua lexer
+    - [`4b0882a`](https://github.com/alecthomas/chroma/commit/4b0882a): add Janet lexer
+    - [`dc982d2`](https://github.com/alecthomas/chroma/commit/dc982d2): add Mojo lexer
+    - [`f0d460e`](https://github.com/alecthomas/chroma/commit/f0d460e): odin: support the new build tag feature
+  [PR](https://codeberg.org/forgejo/forgejo/pulls/7607): Update of Chroma from v2.16.0: to v2.17.0:
+    - [`22859e6`](https://github.com/alecthomas/chroma/commit/22859e6): add Lean lexer
+  [PR](https://codeberg.org/forgejo/forgejo/pulls/7890): Update of Chroma from v2.17.2: to v2.18.0:
+    - [`79dde77`](https://github.com/alecthomas/chroma/commit/79dde77): add IBM RPG lexer
 - Bug fixes
   - [PR](https://codeberg.org/forgejo/forgejo/pulls/8511) ([backported](https://codeberg.org/forgejo/forgejo/pulls/8516)): <!--number 8516 --><!--line 0 --><!--description Zml4OiBQUiBub3QgYmxvY2tlZCBieSByZXZpZXcgcmVxdWVzdCBmb3IgYSB3aGl0ZWxpc3RlZCB0ZWFt-->pull requests were not blocked by review request for a whitelisted team.<!--description-->
   - [PR](https://codeberg.org/forgejo/forgejo/pulls/8475) ([backported](https://codeberg.org/forgejo/forgejo/pulls/8480)): <!--number 8480 --><!--line 0 --><!--description c2V2ZXJhbCBmaXhlcyBvZiBBTFQgUGFja2FnZSByZWdpc3RyeQ==-->several fixes of the ALT RPM package registry.<!--description-->
@@ -96,6 +105,19 @@
   - [PR](https://codeberg.org/forgejo/forgejo/pulls/7454): <!--number 7454 --><!--line 0 --><!--description Q2FuY2VsIGEgcmV2aWV3-->fix a border case where it was not possible to cancel a pull request review.<!--description-->
   - [PR](https://codeberg.org/forgejo/forgejo/pulls/7409): <!--number 7409 --><!--line 0 --><!--description Zml4IGFjbWUgcmVuZXdhbA==-->fix acme renewal.<!--description-->
   - [PR](https://codeberg.org/forgejo/forgejo/pulls/6352): <!--number 6352 --><!--line 0 --><!--description bWlncmF0ZSBNYXZlbiBwYWNrYWdlcyB0byAiZ3JvdXBJZDphcnRpZmFjdElkIiBuYW1lIGNvbmNhdGVuYXRpb24sIHJlZ2VuZXJhdGUgbWV0YWRhdGEgYW5kIGZpeCBtaXNzaW5nIGdyb3VwSWQ=-->migrate Maven packages to "groupId:artifactId" name concatenation, regenerate metadata and fix missing groupId.<!--description-->
+  - [PR](https://codeberg.org/forgejo/forgejo/pulls/7459): Update of Chroma from v2.15.0: to v2.16.0:
+    - [`88084b6`](https://github.com/alecthomas/chroma/commit/88084b6): terraform: dot in a string breaks the highlighting
+    - [`e0c7747`](https://github.com/alecthomas/chroma/commit/e0c7747): nginx conf: IP address as name detection
+    - [`79621af`](https://github.com/alecthomas/chroma/commit/79621af): solidity: handling of inline assembly
+    - [`d829579`](https://github.com/alecthomas/chroma/commit/d829579): ocaml: support multistring
+  - [PR](https://codeberg.org/forgejo/forgejo/pulls/7607): Update of Chroma from v2.16.0: to v2.17.0:
+    - [`8fa488c`](https://github.com/alecthomas/chroma/commit/8fa488c): fix Gleam lexer
+    - [`5409db0`](https://github.com/alecthomas/chroma/commit/5409db0): vue: handle more edge cases for tags
+    - [`3df29af`](https://github.com/alecthomas/chroma/commit/3df29af): rrt: add proper diff styling to
+    - [`9077658`](https://github.com/alecthomas/chroma/commit/9077658): terraform: properly tokenizes default_tags attribute
+  - [PR](https://codeberg.org/forgejo/forgejo/pulls/7738): Update of Chroma from v2.17.0: to v2.17.2:
+    - [`2cbcfa9`](https://github.com/alecthomas/chroma/commit/2cbcfa9): fix a bunch of styles did not correctly fallback to parent styles
+    - [`8f4cf56`](https://github.com/alecthomas/chroma/commit/8f4cf56): zig: add rule for function calls
 - Included for completeness but not worth a release note
   - [PR](https://codeberg.org/forgejo/forgejo/pulls/8534): <!--number 8534 --><!--line 0 --><!--description aTE4bjogdXBkYXRlIG9mIHRyYW5zbGF0aW9ucyBmcm9tIENvZGViZXJnIFRyYW5zbGF0ZQ==-->i18n: update of translations from Codeberg Translate<!--description-->
   - [PR](https://codeberg.org/forgejo/forgejo/pulls/8530) ([backported](https://codeberg.org/forgejo/forgejo/pulls/8532)): <!--number 8532 --><!--line 0 --><!--description Zml4KHBhY2thZ2VzKTogc2tpcCBhbm90aGVyIHN0YWNrIGZyYW1lIGZyb20gbG9nZ2luZw==-->fix(packages): skip another stack frame from logging<!--description-->
diff --git a/release-notes/7459.md b/release-notes/7459.md
new file mode 100644
index 0000000000..f20c135abd
--- /dev/null
+++ b/release-notes/7459.md
@@ -0,0 +1,8 @@
+feat: [`0bf0e9f`](https://github.com/alecthomas/chroma/commit/0bf0e9f) add luau file extension and alias to lua lexer
+feat: [`4b0882a`](https://github.com/alecthomas/chroma/commit/4b0882a) add Janet lexer
+feat: [`dc982d2`](https://github.com/alecthomas/chroma/commit/dc982d2) add Mojo lexer
+feat: [`f0d460e`](https://github.com/alecthomas/chroma/commit/f0d460e) odin: support the new build tag feature
+fix: [`88084b6`](https://github.com/alecthomas/chroma/commit/88084b6) terraform: dot in a string breaks the highlighting.
+fix: [`e0c7747`](https://github.com/alecthomas/chroma/commit/e0c7747) nginx conf: IP address as name detection
+fix: [`79621af`](https://github.com/alecthomas/chroma/commit/79621af) solidity: handling of inline assembly
+fix: [`d829579`](https://github.com/alecthomas/chroma/commit/d829579) ocaml: support multistring
diff --git a/release-notes/7607.md b/release-notes/7607.md
new file mode 100644
index 0000000000..1725132a28
--- /dev/null
+++ b/release-notes/7607.md
@@ -0,0 +1,5 @@
+feat: [`22859e6`](https://github.com/alecthomas/chroma/commit/22859e6) Add Lean lexer
+fix: [`8fa488c`](https://github.com/alecthomas/chroma/commit/8fa488c) Fix Gleam lexer
+fix: [`5409db0`](https://github.com/alecthomas/chroma/commit/5409db0) vue: handle more edge cases for tags
+fix: [`3df29af`](https://github.com/alecthomas/chroma/commit/3df29af) rrt: add proper diff styling to
+fix: [`9077658`](https://github.com/alecthomas/chroma/commit/9077658) terraform: properly tokenizes default_tags attribute
diff --git a/release-notes/7738.md b/release-notes/7738.md
new file mode 100644
index 0000000000..6afd684033
--- /dev/null
+++ b/release-notes/7738.md
@@ -0,0 +1,2 @@
+fix: [`2cbcfa9`](https://github.com/alecthomas/chroma/commit/2cbcfa9) fix: a bunch of styles did not correctly fallback to parent styles
+fix: [`8f4cf56`](https://github.com/alecthomas/chroma/commit/8f4cf56) fix(zig): add rule for function calls
diff --git a/release-notes/7890.md b/release-notes/7890.md
new file mode 100644
index 0000000000..96d616dbec
--- /dev/null
+++ b/release-notes/7890.md
@@ -0,0 +1 @@
+feat: [`79dde77`](https://github.com/alecthomas/chroma/commit/79dde77) Added IBM RPG lexer