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Studio 2019 SR1 - abnormally long time changing status from draft to translated.

I am experiencing a problem when using CTRL + CR to change the status of individual TUs from draft to translated as I go through the document being translated. It appears that, after approx. 8 or 9 TU's where the response time is immediate, the response time for the following TU is very long (5 - 10 secs or more) while the hourglass icon is displayed and it is not possible to interact with the software. On occasion, it appears that Studio locks up completely and it becomes necessary to close the application and restart.

Are other user experiencing similar problems and is this a bug in the software? (I have never experienced this with Studio 2017).

/ Michael, MJD Translating