Fonts changing in files when opened in Illustrator 29.5.1
Existing files created in illustrator (on a different desktop) when opened in v29.5 & v29.5.1 display incorrect fonts - the font is changed to a completely different font (e.g. Myriad Pro will be changed to Times New Roman) throughout the document. All the text in that font family is changed, but other fonts used in the document will display correctly. The font is installed correctly on the system and the changed font can be changed to the correct font by selecting the font from the illustrator font list. The thumbnails display correctly in Bridge before opening in illustrator. Reverting illustrator back to v29.4 resolves the problem

The team reports the Beta, starting with 29.7.0.88, should have a fix for this.
This particular build introduces a lot of WIP snapping-related changes, so if your work depends on this, be mindful of it. However, before this fix gets pushed into general build, having the confirmation it actually works would be great — so please check it, if possible, and comment back.
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Andre commented
Not sure if this is related to the same bug, but... I noticed that, when reducing the size of a text box to less than the amount of text there is, the fonts simply invert between bold and regular on display, even if the fonts still register the correct one on the character menu. See the video attached. This is getting ridiculous!
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Bareng Madubanya commented
sometimes when I open a file I have already worked on, fonts go missing even though I used them before closing the file.
New idea from comment
This comment was upgraded into a new idea: Fonts get missing on file reopening -
Sean Ryan commented
Is there any update/bug fix /Work-around for this issue. We're using version 29.6.1 and this issue still persists. Like the other users we tried reverting back to 29.4 and it didn't resolve the issue.
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Michael Price commented
Same issue with FONTS changing.. and also having this PLUG issue. and nothing seems to work to fix it. Version 29.7.1
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Sonia commented
I am also running the current version of Illustrator 29.7.1 and have just now had the issue reoccur
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Sonia commented
I've reopened the two files that have been affected by font swapping, and opening them in Beta 29.9 doesn't resolve this
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Stéphanie Noverraz commented
Illustrator 29.7.1 on Mac Ventura 13.5.2 (22G91)
I dont' know whether it's related to this current issue, but now I have parts of my text that change appearance when I'm trying to change the Font weight of another part, or when I try to type more text.
The workaround I have found it copy-pasting the text into a new Textbox. But still, this needs to be fixed.
New idea from comment
This comment was upgraded into a new idea: Font styles applied to portions of text 'slide' / shift positions when area type overflows -
Communication Gerzat (Communication) commented
Still the same problem with the 29.7.1 version....
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Peter Petersen commented
29.7 solved this issue for me.
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sota commented
I previously reported that the issue was not resolved in version 29.7, but this was my mistake (I was looking at a file that had been saved with the fonts already replaced). The problem has actually been resolved in version 29.7. I have already deleted the incorrect bug report I submitted earlier. Thank you to the development team for your efforts.
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Stéphanie Noverraz commented
It just happened to me too (Illustrator 29.6.1 on Mac 13.5.2).
It happened only to the fonts I had replaced with the Find/Replace Fonts… tool. The others were OK.
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Peter Nguyen commented
I cannot find a way to replicate it, but there seems to be a bug that occurs randomly where Illustrator doesn't save the font selection on the document correctly. When re-opening properly saved files that are affected, the file will open, but the majority of text in the document having the incorrect fonts applied. In a production environment, this is extremely frustrating. This needs to be addressed immediately. I cannot post any examples as the examples have occurred on artwork for a company I work for, however, this bug has occurred on two separate occasions, and it is frustrating to have to redo work that has already been done.
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Keith commented
I have the same issue with 29.6.1.
This is a big issue. In my case, it seemed to have correlated with 29.6.1 update.
Can we get advice on which version to downgrade to and an ETA for the solve? -
Andre commented
I can't install the beta version right now so I can't test this, but i have a question: this fix corrects previously messed up files, or the fix only prevents this happening to other files?
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Peter Petersen commented
If the Dev team changed the indexing method for the fonts, would be simple to solve it making a conversion for the tables of older files.
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Rachel Hettinga commented
I have updated and am still having major issues. I have noticed that for some reason it keeps trying to use this font - which is not one that I have installed on my computer and one that I have never installed in the past. PlicataPERSONALUSEONLY
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Mario commented
I did some tests and version 29.7 doesn't seem to have the problem.
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CampOffice JOF commented
作成したチラシなどのデータを保存して閉じた後、次に開いた際に勝手にフォントがめちゃくちゃに変わってしまうバグが何度も発生しています。
別アカウントの友人も同じ現象が起きています。改善をお願い致します。 -
Chris Munro commented
This is a critical problem that I've never experienced until recently in Illustrator. It's not that the fonts aren't recognised, it ACTUALLY CHANGES the font in the document!! Adobe, please fix this!!
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Nicola Micheli commented
I’m experiencing an issue with Adobe Illustrator version 29.6.1 when working in a team on a shared server. Specifically, when a colleague saves a file from their computer and I open it afterward, the fonts are not displayed correctly:
some fonts are replaced with others
in some cases, the entire text box disappears
the issue seems to occur mainly with Myriad Pro and Myriad Variable Concept fonts
It’s possible that the problem is related to shared font management or system incompatibility. Has anyone encountered the same issue or has any suggestions on how to resolve it?