TinyMCE (original)
Tested version: 4.3.4-pl
On MODX 3 version: git install from today
Installation
None
Basic usage
The editor works fine.
Kitchen sink test
No issues.
Error log
No errors.
Information from developer
The package is deprecated.
Verdict
It is compatible but the package is deprecated. The supported version has to be restricted to 2.x and less or maybe better 2.7 and less.