== Miscellaneous Features ==
Summary of known issues related to independent features.
=== Screenshot ===
* <span style="background-color: #ff9900; color: white;>M3</span> Screenshot doesn't work with remote frames ([https://bugzilla.mozilla.org/show_bug.cgi?id=1568833 bug 1568833])
=== Service Workers ===
* <span style="background-color: #ff9900; color: white;>M3</span> Support for Service Workers is not not compatible with Fission.