diff --git a/operational b/operational
index 561c8e5c059ca0225e565941f19fbcc8c4745547..6c45840484d39871abbc1128af5ad5a99a3b793c 100644
--- a/operational
+++ b/operational
@@ -1,6 +1,6 @@
 * COMMENT -*- mode: org -*-
 #+Date: 2019-03-02
-Time-stamp: <2021-05-09>
+Time-stamp: <2024-09-17>
 #+STARTUP: content
 * notes                                                               :entry:
 ** 2020-05-08 how to distribute pkg on pypi?				:doc:
@@ -51,6 +51,23 @@ to handle it on ryzen5.
 
 * current                                                             :entry:
 ** 
+** 2024-09-17 when it convert my file into mp4 i lose the sound of the video
+could you please add feature to be able to get the ts/m3u8 file without convert
+
+https://player.vimeo.com/external/469223174.m3u8?s=d4b0fb2caa776830d55ba9de0bec293883b34f6f
+bug reported by Max Alex.
+
+I think a --keep option is possible.
+
+** 2024-09-17 shell command escape issue when filename contains special characters
+- bug report by Steven Van Ingelgem.
+  #+begin_src python
+    logger.info("Removing temp files in dir: \"%s\"", self.tempdir)
+    if os.path.exists(self.tempdir):
+        shutil.rmtree(self.tempdir)
+    logger.info("temp files removed")
+  #+end_src
+- 
 ** 2020-05-08 add travis CI for this project.
 - add travis CI to run unit tests on linux and windows.
 - add badge in README.rst