This ticket isn't very descriptive, but I think it's addressing the same problem I'm having. Yes, I can type multiple lines, but the text input doesn't change its height as I do. As such, I can only ever see the top line and any additional lines I type are under the keyboard. I haven't seen any docs for handling this case. Can you, @FaridSafi, provide any info?
@jeaye Can you provide a screenshot please?
@xcarpentier I don't think I have this issue anymore; I believe my fix was to upgrade RN (I was likely on 0.44.x when this showed up, and I think it was gone by 0.47.x -- now on 0.50.4 and it's not there).
The issue I do have is with the text input not growing more than five lines, as shown here:

The only style I have is:
{style: {flex: 1}, contentContainerStyle: {flexGrow: 1, justifyContent: "flex-end"}}
@jeaye can you open an other issue with 5 lines limit?
On second look, the title of this ticket isn't very clear English, but I think this does seem to be the same problem I'm having now. To break things down:
TextInput not auto height of multi lines => There's an issue where the text input's height doesn't automatically update to fit multiple lines
(more than five lines) => It happens specifically when there are more than five lines
As shown in my screenshot, that's exactly the problem I have. My reporting that this problem was fixed for me, at this point, seems erroneous and I apologize for the confusion. Rather than open another ticket, we could likely keep this. Let me know how you'd like to handle it, @xcarpentier.
There is still no solution for that @xcarpentier? After the first line break, first line is always invisible. I tried to use onContentSizeChange to control it, but the InputToolbar doesn't respond to it.
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This ticket isn't very descriptive, but I think it's addressing the same problem I'm having. Yes, I can type multiple lines, but the text input doesn't change its height as I do. As such, I can only ever see the top line and any additional lines I type are under the keyboard. I haven't seen any docs for handling this case. Can you, @FaridSafi, provide any info?