Gapps is the property of Google and there is no any issue in this Gapps Yet. For flashing this app you have to installed any custom recovery must like TWRP or CWM. This Gapps only support Andoroid 7.1 / CyanogenMod 14.1. lineage os 15.0
Google has finally unveiled Android 8.0 which is Android Oreo.That means many developers will release custom ROMs and then we will need Oreo GApps Pack. Download Latest Official Google GApps For Android 8.0 (Oreo).Here we will be sharing the direct link to download Android 8.0 Gapps for Custom ROMs like Lineage Os and other Android 8.0 based AOSP ROMs like Lineage OS 15, Slim ROM etc.
The official release date of Android 8.0 is nearby. It is expected to be launched by the end of the summer of 2016, most probably sometime in the month of September with the new Pixel devices.The name of the upcoming update is not officially confirmed but many think it will be named Google Oreo
Google will follow the launch of Android 8.0 update for Nexus and pixel phones with the release of AOSP (Android Open Source Project) source code for this latest version of Android OS. Once the source code for Android 8.0 is out, various other AOSP based Android 8.0 custom ROMs will be released for most popular devices. The most anticipated of these is the Lineage OS 15
Android 8.0 Gapps pack will be available in a range of various sizes; it can be a small package of 50 MB or a huge zip file of 400 MB.(For ex: nano Gapps, Pico gapps, mega and Full)