dovecot - Aug 2009 - New need to delete dovecot-acl-list in dovecot 1.2?

I just started testing 1.2.3 then 1.2.4 this week, I was too busy 
earlier in the year to look at 1.2 at all.  So far so good except I 
noticed newly granted permissions via ACL on some newly created public 
mailboxes were not visible by the client.  It seemed to be a version 
thing because the same files work fine concurrently on a server running 
1.1.x.  I came across this in the ACLwiki which seems to fix it:


    List cache

dovecot-acl-list file lists all mailboxes that have "l" rights
assigned.
If you manually add/edit dovecot-acl files, you may need to delete the 
dovecot-acl-list to get the mailboxes visible.



I don't ever recall needing to do this before, and it sounds similar to 
this which I have had set to 10 for a long time:
# cache_secs parameter
# specifies how many seconds to wait between stat()ing dovecot-acl file
# to see if it changed.


All of my dovecot-acl files are symlinks so hopefully it runs stat() on 
the target, but just in case I tried recreating the symlink afterwards 
but it didn't help and its over NFS so who knows if the running dovecot 
'saw' it. 

Do I need to debug this behavior further or will I just have to live 
with remembering to delete the dovecot-acl-list file when I manually 
change dovecot-acl contents?  Thanks.

On Thu, 2009-08-20 at 23:40 -0400, Adam McDougall wrote:
>     List cache
> 
> dovecot-acl-list file lists all mailboxes that have "l" rights
assigned.
> If you manually add/edit dovecot-acl files, you may need to delete the 
> dovecot-acl-list to get the mailboxes visible.
It's mainly useful for mailbox sharing between users.
http://hg.dovecot.org/dovecot-1.2/rev/aeb3affa0501 makes Dovecot ignore
it in public namespaces.

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Timo Sirainen wrote:
> On Thu, 2009-08-20 at 23:40 -0400, Adam McDougall wrote:
>   
>>     List cache
>>
>> dovecot-acl-list file lists all mailboxes that have "l"
rights assigned.
>> If you manually add/edit dovecot-acl files, you may need to delete the 
>> dovecot-acl-list to get the mailboxes visible.
>>     
>
> It's mainly useful for mailbox sharing between users.
> http://hg.dovecot.org/dovecot-1.2/rev/aeb3affa0501 makes Dovecot ignore
> it in public namespaces.
>
>   
Ah thanks, I will try it when I have time. 

BTW, yesterday I noticed my dovecot 1.1.11 servers acting like the 
dovecot-acl
is recursive in my public folders, much like 1.2 seems to be, but I 
cannot recall
1.1.x ever acting that way.  Am I crazy or did it change sometime before 
1.2?
Thanks.