![Firefox 52: Introducing WebAssembly, CSS Grid and the Grid Inspector - Mozilla Hacks - the Web developer blog Firefox 52: Introducing WebAssembly, CSS Grid and the Grid Inspector - Mozilla Hacks - the Web developer blog](https://hacks.mozilla.org/files/2017/03/gridinspector.jpg)
Firefox 52: Introducing WebAssembly, CSS Grid and the Grid Inspector - Mozilla Hacks - the Web developer blog
![The "Applications" tab disappeared from the Options box. I can't set what to do with extensions, such as open instead of save. Please help. | Firefox Support Forum | Mozilla Support The "Applications" tab disappeared from the Options box. I can't set what to do with extensions, such as open instead of save. Please help. | Firefox Support Forum | Mozilla Support](https://user-media-prod-cdn.itsre-sumo.mozilla.net/uploads/images/2017-10-23-12-52-54-5716c5.png)
The "Applications" tab disappeared from the Options box. I can't set what to do with extensions, such as open instead of save. Please help. | Firefox Support Forum | Mozilla Support
![Firefox 52" official version is released, correspondence with WebAssembly started, security function improved - GIGAZINE Firefox 52" official version is released, correspondence with WebAssembly started, security function improved - GIGAZINE](http://i.gzn.jp/img/2017/03/08/firefox-52/00.jpg)