My company publishes many forms, and all of the form fields currently use Helvetica. I use Helvetica since it's my understanding this is a base font in Reader so I don't have to embed it in the form which keeps the file size down and so the user sees the font I want them to see. The Helvetica on my system right now is a Type 1 font.
With Type 1 support ending in 2023, will there be a new version of Helvetica in Acrobat DC and Acrobat Reader DC? If not, what will the base fonts be in 2023 so I can choose something else? Is Helvetica already something other than Type-1 in Acrobat DC and Acrobat Reader DC?
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To clear up a misconception, Acrobat is absolutely not ending support of Type 1 fonts. Type 1 fonts are an integral part of both the PDF and PostScript specifications. Thus, the 2023 announcement doesn't affect Acrobat (or Reader)!!!
Note however, that the Helvetica Type 1 (or any other format for that matter) font family is not bundled with either Adobe Reader or Adobe Acrobat (and hasn't been since Acrobat 4 many years ago). If Adobe Reader or Acrobat encounters a reference to an unembedded Helvetica font in a PDF file and if there is no Helvetica of any format installed on one's system (MacOS has a TrueType version of the Helvetica font family bundled with the operating system), the system Arial font (same font metrics including character widths, slightly different design) is automatically used as a substitute.
A similar situation exists with Times Roman. The system Times New Roman fonts (same font metrics, slightly different design) are used in lieu of Times Roman.
A further note. Although Microsoft has discontinued support of Type 1 fonts in Microsoft Office on Windows, no announcement has been made by Microsoft vis-a-vis any elimination of Type 1 font support in Windows. Likewise, Apple has made no such announcement.
Thanks Dov, I didn't expect anyone would reply and certainly not this quickly. Just so I'm clear on it, in 2023:
Thanks for your help with this!
A bit of explanation about Helvetica in form fields is in order, as it has a special "magic".
When originally designed form fields could use Helvetica (and a few other faces like Times Roman), in type 1 format. These were not embedded, and COULD NOT BE embedded. Fonts just had to work with these forms. And PDF readers always have, whether or not they actually have Helvetica. Typically, they will use Arial or some other substitute font, but still not embedded!
Later, PDF forms were changed to allow other fonts. The fonts are embeded, and MUST BE embedded. The magic position of Helvetica remains, and you will notice it is at the top of the forms list in Acrobat's form editor. There are significant advantages to making forms with these (non-embedded) fonts which look like Helvetica, and I generally recommend using these fonts if you can. It might be better if the original PDF design had called this "Generic Magic Sans Serif" rather than "Helvetica". Too late now!
You should be fine.
One thing to note, however, is that Helvetica is a fine font to use as long as you don't need characters outside of the Western Latin character set. As such, Arial would probably be a much better choice if you have the possibility of use of Eastern European, Cyrillic, Arabic, Farsi, or Hebrew character sets for example.