I'm sorry, I cannot confirm. I just tested by downloading the 
gwt-2.11.0.zip, and editing the Hello sample included to have a new 
JsMethod. Then I edited the "gwtc" target in the sample's build.xml by 
adding generateJsInteropExports and a _deliberately wrong_ expression for 
-includeJsInteropExports, and confirmed that the method was not exported. 
Then I changed the pattern to one that made sense, ran the compiler again, 
and confirmed that I could access the simple method.

Can you please share a simple example of what exactly isn't working? The 
Hello sample included in the SDK for 2.11 uses ant, so this isn't likely a 
build tool issue - you should be able to reproduce it there and share the 
complete project that isn't working.

On Monday, February 2, 2026 at 5:53:36 PM UTC-6 [email protected] wrote:

> Both DevMode/codeserver and gwtc do not work in GWT 2.11.
>
> When passing the argument to the codeserver, it get the error and won't 
> start.
>
> When passing the argument to compiler (using Ant), it compiles but the 
> JsInteropExports is missing.
>
>
> Thanks. 
>
> On Monday, February 2, 2026 at 12:35:07 PM UTC-5 Colin Alworth wrote:
>
>> Note that the linked issue and fix is specific to running DevMode, not 
>> the compiler itself, but you seem to be having issues with the compiler?
>>
>> On Monday, February 2, 2026 at 11:03:27 AM UTC-6 [email protected] 
>> wrote:
>>
>>> Just found out that the bug fix is merged to 2.12
>>>
>>> https://github.com/gwtproject/gwt/issues/9939
>>>
>>>
>>> I guess I will try it when I migrate my application to GWT 2.12
>>>
>>>
>>> Thanks.
>>>
>>>
>>>
>>> On Friday, January 30, 2026 at 7:09:40 PM UTC-5 Craig Mitchell wrote:
>>>
>>>> Are you using the gwt-maven-plugin?
>>>>
>>>> I think you'd do it something like this:
>>>>
>>>> <compilerArgs>
>>>>   <arg>-generateJsInteropExports</arg>
>>>>   <arg>-includeJsInteropExports</arg>
>>>>   <arg>com.nyct.client.ui.widget.StreetMap.north</arg>
>>>> </compilerArgs>
>>>>
>>>> On Saturday, 31 January 2026 at 10:22:30 am UTC+11 Chak Lai wrote:
>>>>
>>>>> Hi,
>>>>>
>>>>> I am trying to include compiler option -includeJsInteropExports in GWT 
>>>>> 2.11, but it gives me an error.
>>>>>
>>>>> Here is my parameters
>>>>>
>>>>> -generateJsInteropExports
>>>>> -includeJsInteropExports com.nyct.client.ui.widget.StreetMap.north
>>>>>
>>>>>
>>>>> Error:
>>>>> -includeJsInteropExports regex cannot start with '+' or '-'
>>>>>
>>>>>
>>>>>
>>>>> Note:
>>>>> com.nyct.client.ui.widget.StreetMap.north is a method in my object.
>>>>>
>>>>>
>>>>>
>>>>>

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