I read over these posts, and it appears the vast majority of you Knocked out Minthara before speaking to/freeing Halsin from prison. I finished an Honour Mode playthrough last month, where I recruited Halsin and killed Minthara.
Yes, and knocking out Minthara and speaking to Hasin afterwards worked for me on patch 5, as long as the party did not long rest. What happened on my first attempt is that Minthara got up again after long rest, and that caused the bug with Halsin. I've stealthed to her position and she was up and running.
Going by the original post, Minthara now disappears after knocking her out, so on honour mode it is not even possible to complete the quest if the bug happens.
