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flaminia_6864
Inspiring
September 16, 2026
Answered

Characters are missing when I type quickly with “Add Text”. This problem happened after the update to Adobe Acrobat 2026.002.21901 (64-bit).

Subject: Characters missing when typing quickly with “Add Text”

Hello,

Since updating to Adobe Acrobat 2026.002.21901 (64-bit), I have a problem with the “Add Text” tool.

When I type quickly, Acrobat randomly drops characters. For example:

“mi chiamo flaminia” → “mi chamo flmina”

The problem occurs with different PDFs and with both Calibri Light and Arial. Typing slowly helps.

I tested the same typing speed in Windows Notepad, where no characters are lost. Acrobat fillable form fields also work correctly.

I have already tried disabling page cache, New Acrobat, and Protected Mode, without any improvement.

Could you please confirm whether this is a known issue with version 2026.002.21901 (64-bit) and whether there is a fix or workaround?

Thank you.

    flaminia_6864Correct answer
    Inspiring
    September 19, 2026

    As of today the issue seemed to have solved on its own, and I don’t experience the “dropped letters” anymore. Still I hope that I helped signaling an issue that could occur again to me or to others

    View reply

    8 replies

    flaminia_6864AuthorCorrect answer
    Inspiring
    September 19, 2026

    As of today the issue seemed to have solved on its own, and I don’t experience the “dropped letters” anymore. Still I hope that I helped signaling an issue that could occur again to me or to others

    Translate
    BaniVerma
    Community Manager
    BaniVermaCommunity Manager
    Community Manager
    September 21, 2026


    Hi @flaminia_6864,


    Thanks so much for coming back to update us, and genuinely, thank you for the effort you put into reporting this properly: the video, your Windows build, testing it across different PDFs and pages. That kind of detail is exactly what helps our team investigate these things.


    Good to hear the dropped characters have stopped for you as of today. We don't have specific evidence yet to confirm what changed, so we're not guessing about the cause. Our development team is looking into it based on the details you and Amal already worked through.


    If it comes back at any point, even occasionally, please let us know here along with whatever version you're on at that time, that kind of follow-up is genuinely useful even if the issue is intermittent.


    Thanks again for flagging this and for helping us track it.


    Regards,
    ^BS

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    APB_AR
    Participant
    September 17, 2026

    Just to corroborate: I am also having “dropped keystrokes” in the same version 2026.002.21901. I type 150 WPM; which I freely admit is a humblebrag, but also hopefully helps with diagnosing the issue. If a solution is found with flaminia or a patch can be made; much appreciated! 

     

    Sincerely,
    Greg Gouillart

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      flaminia_6864Author
      Inspiring
      September 16, 2026

      It happens with every PDF, but on the pages with notext and images, initially it’s fine. But when I start writing on a page that has a lot of text and images, it starts dropping characters immediately, and when the problem starts it occurs also on the white pages

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      Amal Jaiswal
      Community Manager
      Amal JaiswalCommunity Manager
      Community Manager
      September 17, 2026

      ​​@flaminia_6864 Thanks for sharing the details, I have shared them with our development team to check it further.  We will keep you posted on the updates.
      ~Amal

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      flaminia_6864Author
      Inspiring
      September 16, 2026

      Unfortunately the Smooth Text changes didn’t help. My windows version is: 25H2 (build SO 26200.9457). Windows 11 Home

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      flaminia_6864Author
      Inspiring
      September 16, 2026

      Unfortunately I tried the smooth text change and it didn’t help. My windows version is: 25H2 (build SO 26200.9457). Windows 11 home. This happens in every PDF. Since english is not my mother language, I’ve written in italian with the original text (without the missing letters) above. You can see the altered words also because they become underlined with the red underlining. Also by doing this tests I noticed that it happens sooner on the pages that already have a lot of text and images. But when it starts, it happens also in the empty pages

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      Amal Jaiswal
      Community Manager
      Amal JaiswalCommunity Manager
      Community Manager
      September 16, 2026

      Hello @flaminia_6864

      Thank you for the detailed report, and I'm sorry for the trouble with the dropped characters.

      You've already ruled out page cache, New Acrobat, and Protected Mode, so one more setting worth trying is Smooth Text rendering, since that's separate from those and has caused similar keystroke/rendering issues in the past

      1. Go to Preferences (Ctrl, Cmd+K)

      2. Select Page Display on the left.

      3. Under the Rendering section, toggle between different options in the Smooth Text dropdown.

      4. Restart Acrobat and test again with the Add Text tool.

      If the Smooth Text change doesn't help, could you also confirm your Windows version and whether this happens on every PDF or only certain ones? That will help narrow down whether it's font-related or a broader rendering issue. Also, a small video recording of the steps you are taking and the issue as it occurs would be very helpful.

      Regards,
      Amal

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