The standard Anki builds use hardware acceleration by default, and the alternate builds do not. If you experience graphical issues, or problems starting Anki, changing the hardware acceleration setting in Anki’s preferences screen may help.
If Anki shows an error message on startup on Windows and restarting it a few times does not help, you can manually change the video driver by running the following in cmd.exe:
echo auto > %APPDATA%\Anki2\gldriver
If that does not help, please replace auto with angle and try start Anki again.
Even if you enable hardware acceleration as mentioned above, you may find Anki takes longer to start and show new windows - especially if your computer is not the fastest. This is caused by the use of a newer web toolkit, which brings new features and security improvements, but is unfortunately more resource intensive. The web toolkit older Anki versions use has been abandoned at this point, so it is no longer an option for future releases.
The undo shortcut is different in the alternate version due to an issue with the toolkit. You can discover the alternate shortcut by looking at the Edit menu of the main screen.
On macOS, the alternate build does not support some shortcuts like cmd+left/right when editing cards. Fn+left/right does work instead. You can also use a third party tool like BetterTouchTool or Karabiner to intercept the cmd+left/right keystroke when you type it into Anki, and have it automatically be rewritten to use the function key instead.
If you are experiencing problems with copying and pasting on Windows, please check if you are running other programs on your computer that monitor the clipboard, such as dictionary programs, clipboard managers or clipping tools. The toolkit Anki uses can have trouble when such programs are running.
The standard Anki build includes fcitx support, but it may not work on all distributions. If you are unable to use fcitx, you may want to run Anki from source, or switch to a different input method.
If you find the text is the wrong size, there are two environmental variables you can try:
ANKI_NOHIGHDPI=1 will turn off some of Qt’s high dpi support
ANKI_WEBSCALE=1 will alter the scale of Anki’s web views (like the deck list, study screen, etc), while leaving interface elements like the menu bar alone. Replace 1 with the desired scale, such as 1.5 or 2.
On Windows you can add these to a batch file to make it easier to start Anki. For example, create a file called startanki.bat on your desktop with the following text:
set ANKI_WEBSCALE=1.5 start "C:\Program Files (x86)\Anki\anki"
After saving, you can double click on the file to start Anki with that setting.
Some work and school networks intercept your internet traffic, and this can cause errors when syncing and downloading add-ons. You can prevent the errors from occurring by setting the environmental variable "ANKI_NOVERIFYSSL" to "1".
When you enable this option, you are telling Anki not to verify that it is actually talking with AnkiWeb. This means that not only your work or school, but also a bad actor on the local network may be able to intercept your syncing traffic.