https://connect.mozilla.org/t5/discussions/thunderbird-compose/m-p/136705#M55271 <P>Hello,</P><P>I'm on Linux and using a launcher "thunderbird -compose" to write a new mail without fully opening TB.</P><P>Since TB came to V153, this launcher open thunderbird's windows, and not only the compose windows.</P><P>Is it a bug ?</P><P>Sincerely</P> Wed, 02 Sep 2026 07:09:38 GMT Tech-Tad 2026-09-02T07:09:38Z https://connect.mozilla.org/t5/discussions/thunderbird-compose/m-p/136705#M55271 <P>Hello,</P><P>I'm on Linux and using a launcher "thunderbird -compose" to write a new mail without fully opening TB.</P><P>Since TB came to V153, this launcher open thunderbird's windows, and not only the compose windows.</P><P>Is it a bug ?</P><P>Sincerely</P> Wed, 02 Sep 2026 07:09:38 GMT https://connect.mozilla.org/t5/discussions/thunderbird-compose/m-p/136705#M55271 Tech-Tad 2026-09-02T07:09:38Z