Avaliado em 5 de 5 estrelas

por Firefox user 95e2b2 em Nov. 21, 2017 · link permanente

57 looks good. but need Sessoin Manager in advance. So revert the vesion to 56. FF guys would support SM developers to make it compatible.
Wanna revert ?, https://support.mozilla.org/en-US/kb/install-older-version-of-firefox