diff --git a/changelog/3617.fixed.md b/changelog/3617.fixed.md
new file mode 100644
index 000000000..b9739a42b
--- /dev/null
+++ b/changelog/3617.fixed.md
@@ -0,0 +1,5 @@
+- Fixed sentence splitting for Japanese, Chinese, Korean, and other non-Latin
+  languages in TTS pipeline. NLTK's sentence tokenizer does not support CJK
+  languages, causing text to accumulate until flush instead of being split at
+  sentence boundaries. Added fallback detection for unambiguous non-Latin
+  sentence-ending punctuation (e.g., `。`, `？`, `！`).