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Old 11-01-2021, 07:54 AM   #1336
pdurrant
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Quote:
Originally Posted by EricS View Post
This topic may become moot in the near future.

Last week I bought 2 books from Amazon. I haven't used Kindle for PC for a number of months. When I started it, it automatically updated to v1.33 (I was 1.17). Every time I clicked on the shortcut it would update again. I can download to my Android tablet but I cannot download to my PC (Win 10). My existing books are still available, just no new books.

I called Amazon Kindle help line and was told they are no longer supporting Kindle for PC. If I want something for my PC I have to buy it from the Microsoft store. None of the programs there claim to support KFX (mobi, pdf and epub only).

It looks like you will no longer be able to download any Kindle books to your PC.
See the first post in this thread. Kindle for PC isn't going away, but it is moving to forcing KFX format.
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Old 11-01-2021, 09:54 AM   #1337
lkmiller
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I've had no issues staying on K4PC 1.17 with the info at the bottom of the first post about preventing updates.

I know Amazon dropped their Windows store app awhile back, but Kindle for PC continues to get updates.
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Old 11-24-2021, 02:39 PM   #1338
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Someone at the GitHub has reported that they disabled KFX downloads from Kindle for Mac 1.33. I know that's not what people here had found, but I don't have a Mac to try it. Issue #1943 if you want to take a look.
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Old 11-24-2021, 09:26 PM   #1339
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Quote:
Originally Posted by lkmiller View Post
Someone at the GitHub has reported that they disabled KFX downloads from Kindle for Mac 1.33. I know that's not what people here had found, but I don't have a Mac to try it. Issue #1943 if you want to take a look.
That person is using a Mac with an M1 processor. That could be a factor.

Kindle for Mac (or PC) does a test of the graphics capabilities of the system running it and will disable KFX format if the test fails. This was what the renderer-test program does in older versions of the software. The same check is now done by the main program instead.

It is possible that for some reason the graphics test fails on an M1 Mac. If so then that is good for DRM removal but bad if you want to read a book with Enhanced Typesetting features on an M1 Mac.

(This is related to another way of avoiding KFX format. Running the Kindle app from within a VM with limited graphics capability will almost certainly result in KFX being disabled.)
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Old 11-25-2021, 02:07 AM   #1340
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This is really interesting. Thank you lkmiller, thank you jhowell. I wish I had an M1 Mac to experiment. In the meantime, I've updated the Mac post.
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Old 11-26-2021, 09:12 AM   #1341
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Output Has Changed But Still Usable

Running 1.17.1 under Windows 11. A week or so ago the output changed and you get a bunch of flotsam mixed in with valid .azw files per my attached listing

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The good news is that the .azw files input correctly to Calibre and I can convert them which is a test of the DRM plugin. So aside from the cruft I am able to continue to use 1.17.1
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Old 11-26-2021, 09:56 AM   #1342
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Quote:
Originally Posted by johnelle View Post
The good news is that the .azw files input correctly to Calibre and I can convert them which is a test of the DRM plugin. So aside from the cruft I am able to continue to use 1.17.1
That 'cruft' is APNX (page index) and PHL (Popular Highlights) files. The first maps page numbers in a paper edition to pages in the AZW3 file, the second keeps highlights.

I don't know why not all AZW3s come with them. Many do, but not all.
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