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That's not only because the first 6 months will be the most expensive they will ever be, but because the first iterations usually have bugs and flaws that are found only after mass usage.
What's your experience?
Many bugs are over 10 years old, and it doesn't seem to have any substantial progress in terms of stability, ease of use, or usability. LO development feels more of a 'let's experiment with adding this new feature', rather than a serious product development.
I wish there was a new open-source office suite in development, especially when languages like Rush are now available.