To reproduce, equip a useable trinket in the first trinket slot and create this simple macro:

/use 13
/stopmacro [modifier:shift]

A normal activation of the macro successfully activates the trinket. A shift + activation does not. Here we can see a clear problem with the macro system.

For consistency checking, change the above macro to specify the name of the trinket. For example:

/use Talisman of Ephemeral Power
/stopmacro [modifier:shift]

This macro works fine... that is to say that it successfully activates the trinket with or without the shift modifier as it should.

The examples in this post illustrate the nature of the problem I have discovered... the ability to use generic inventory slots seems to break in the presence of a shift modifier anywhere in the macro. This is my frostbolt macro where I originally encountered the problem:

# show Frostbolt
/script UIErrorsFrame:Hide()
/use [modifier:shift] 13
/use [modifier:shift] 14
/stopcasting [modifier:shift]
/cast Frostbolt
/script UIErrorsFrame:Clear()
/script UIErrorsFrame:Show()

This does not activate my trinkets on a shift modifier unless I replace the slot numbers with trinket names. I then did some troubleshooting and discovered the more general problem detailed above. I have already submitted this bug via in-game ticket, but nothing has come of it. I am seeking confirmation of this bug and any solutions I may have overlooked that would allow me to reference generic inventory slots while keeping my modifier functionality.

Just for the purpose of narrowing things down, does /use function properly with modifiers other than shift? (Ctrl, Alt). Does /use work properly with the "nomodifier" and "modifier" conditionals?

Thanks for the suggestion. That is something I hadn't considered.

It appears to work fine with modifier:ctrl|alt, as well as with nomodifier:ctrl|alt. The problem appears to be specific to the shift modifier.

Can anyone else confirm this behavior? Any other suggestions?

I have managed to generalize this problem even more... holding shift and right clicking the trinket itself to activate it doesn't work.

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Q u o t e:

Yes, shift is processed internally by the item code, and shouldn't be used by item macros.

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That explains the problem, but this explanation is still inconsist in the fact that this works:

shift + /use Talisman of Ephemeral Power

...which is identical in function to:

shift + /use 13

...which does not work.

IMO, such an exception to the rule with inconsistencies in itself deserves fixing.

If you were to shift-right-click a /use 13 macro which pointed to a socketed item in slot 13, would this then open the Socketing interface window?

I noticed you fixed this in a recent update to the PTR. Thanks!

(meaning that /use [modifier:shift] 13 now works)

As an aside, I also noticed that you improved the synchronization of multiple sequential commands such that /stopcasting is no longer needed as a buffer. Very slick.

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Q u o t e:
As an aside, I also noticed that you improved the synchronization of multiple sequential commands such that /stopcasting is no longer needed as a buffer. Very slick.

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Oh, hot, seriously? /rewrites a macro on the PTR. Back in a minute.

It apparently only works the first time you use it in a session. I'm back up to two /stopcastings now. See the end of the post as I update.

Success!

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Q u o t e:
/stopmacro [noharm]
/cast Presence of Mind
/cast Arcane Power
/use 13
/cast Frostbolt

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works as written, while standing still. I'll test it while moving when the PoM cd comes back up.

-edit 2: PoM while on the run isn't working (ah well), and I didn't have a damage trinket equipped earlier. Third test in a sec to see if trinkets work w/o stopcasting shortly.

-edit 3: No go on the non-stopcasted trinket use. I'll come up with the new version of the macro in a few, trying to decide how many /stopcastings we still need.

-edit 4: Bah. 1 stopcasting isn't enough. 2?

-edit 5: Two works. Funny, though. I was halfway through the cast before the lag finally caught up and cast the spell. Working macro:

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Q u o t e:
/stopmacro [noharm]
/cast Presence of Mind
/stopcasting
/cast Arcane Power
/stopcasting
/use 13
/cast Frostbolt

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Ah well.

This is only fixed on the PTR, not on the public realms. I tested it and it works on the PTR. This is my macro:

# show Frostbolt
/dismount [mounted]
/use [modifier:shift] 13
/cast Frostbolt
/script UIErrorsFrame:Clear()

shift + macro fires my trinket and frostbolt.

It also works while mounted. Shift + macro while mounted will fire my dismount, fire my trinket, and cast frostbolt.

2.1 only.

I just tested the above macro again and it works. It's possible that other sequences still don't work. I am not an arcane mage so I don't have the KAPOW macro.

I have created a new thread to discuss the synchronization in 2.1 since it seems to be a popular discovery. This thread is about the modifier problem.

http://forums.worldofwarcraft.com/thread.html?topicId=104540508&sid=1