Ihor Radchenko <yantar92@posteo.net> writes:

> "Christopher M. Miles" <numbchild@gmail.com> writes:
>
>>> We should certainly not attempt decryption on <tab> by default - it may
>>> be annoying when you actually do not want to decrypt anything, just
>>> look inside.
>>
>> You're right, I have not consider enough.
>
> Of course, you can still use `org-cycle-hook' if you want this behaviour
> in your personal setup.
>
>>> May you elaborate what performance issues you are experiencing?
>>
>> My performance issue is a large Org file about 2M size on saving. I will
>> reproduce and generate profiler report for more detailed data and update
>> in this thread.
>
> Please save the report using M-x profiler-report-write-profile - it will
> produce Elisp data that can be re-opened and examined directly.

I attached CPU and Memory report in attachments.