What do I think about ISTQB certifications?
A lot of people are keeping asking me about it, so I'll send them link to this message in the future :)
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Short:
In any case - read all syllabuses you want, starting from the foundation level. They are well structured (in comparison to old books and articles in web) and are almost up-to-date. Still, modern testing techniques and practices are not highlighted there yet (maybe because they are written by testers with 20-30 years of experience that test nothing for decades)
IF you have a long term project that requires this certification for your position (and you want to work on that project for 4-6-10 years) -> do it. But, only if your company pays for the course, exam and will pay for all (surprise) renovations (including not only the exam - but your trips to certification centers and back)
In all other cases - don't waste your money and time.
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Long explanations will be posted with #istqb tag later (telegram messages are not so big to cover it)