I can confirm - this has happened to me too

On Wednesday, February 4, 2015, Maxim Baz <z0rch.coding@gmail.com> wrote:

> The important piece of org-mode configuration is:
>
>     org-minimal.el
>
>     (setq org-todo-keywords '(
>       (sequence "TODO(t)" "NEXT(n!)" "|" "DONE(d)")))
>
> So I expect the following note to appear in LOGBOOK once I change the
> state from TODO to NEXT:
>
>     :LOGBOOK:
>     - State "NEXT"       from "TODO"       [2015-02-04 Wed 22:11]
>     :END:
>
> It works perfectly fine if I change a state of a single task.
> But if select multiple TODO tasks in Agenda view and change all of them to
> NEXT in bulk, only the last task will have such "state change" record.
>
> I expect org-mode to create such "state change" note in LOGBOOK drawer for
> every task I'm changing.
>
> Now I'll describe my steps in a bit more detailed way, and afterwards you
> will find the system information I use.
>
> 1. emacs -Q -l ~/org-minimal.el ~/test.org
> 2. Create 3 tasks:
>     * TODO task1
>     * TODO task2
>     * TODO task3
> 3. M-x -> org-agenda-file-to-front
> 3. M-x -> org-agenda -> t
> 4. Mark those 3 tasks
> 5. M-x -> org-agenda-bulk-action -> t -> NEXT
>
> The ACTUAL contents of ~/test.org is:
>
>     * NEXT task1
>     * NEXT task2
>     * NEXT task3
>     :LOGBOOK:
>     - State "NEXT"       from "TODO"       [2015-02-04 Wed 22:11]
>     :END:
>
> The EXPECTED contents of ~/test.org is:
>
>     * NEXT task1
>     :LOGBOOK:
>     - State "NEXT"       from "TODO"       [2015-02-04 Wed 22:11]
>     :END:
>     * NEXT task2
>     :LOGBOOK:
>     - State "NEXT"       from "TODO"       [2015-02-04 Wed 22:11]
>     :END:
>     * NEXT task3
>     :LOGBOOK:
>     - State "NEXT"       from "TODO"       [2015-02-04 Wed 22:11]
>     :END:
>
> Emacs: GNU Emacs 25.0.50.1 (x86_64-pc-linux-gnu, GTK+ Version 3.12.2) of
> 2015-01-09 on lgw01-32
> Package: Org-mode version 8.3beta (release_8.3beta-794-g55c070 @
> /home/z0rch/.emacs.d/el-get/org-mode/lisp/)
>
>