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The underlying libraries that Atto uses are planned for removal and it will no longer be possible to use Atto at all.
Developer Forum information
https://moodle.org/mod/forum/discuss.php?d=455467
What does it mean?
Myplace will still use the Atto editor until the end of the 24/25 academic year as the default as some of the functionalities are not yet available for TinyMCE.
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