IT之家 10 月 3 日消息，在 9 月 7 日的 HarmonyOS 7 | HUAWEI Mate XT 2 及全情形新品发布会上，鸿蒙 7 操作平台正式发布。
依据华为官方预告，在 HarmonyOS 7.0.0.109 SP6 及以上，将兼容弹幕通知能力。
启动弹幕通知，兼容针对部分应用消息（微信、QQ、畅连、短信信息、钉钉等）以悬浮弹幕形式实时表明在游戏界面，无需切屏即可掌握关键信息。平台需升级至 HarmonyOS 7.0.0.109 及以上版本、应用助手需要升级到 16.4.1.300 及以上版本。
IT之家实测发现，在 10 月 1 日发布的 Mate 90 系列手机上，已首发实装了弹幕通知能力，玩家在游戏中心可对字幕的速度、大小等开展自定义设置，同时还可以管理通知应用（当下已兼容 QQ、微信、信息、畅连 App）等。
华为官网表明，应用助手（游戏助手）是华为设备内置的辅助工具，玩家在游戏中可借助应用助手快速启动高表现模式、免打扰、屏蔽指关节、截屏、录屏、智能声控、亮度锁定等能力。
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IT Home, October 3 news — at the HarmonyOS 7 | HUAWEI Mate XT 2 and all-scenario new product launch event on September 7, the HarmonyOS 7 operating system was officially released.
According to Huawei's official preview, barrage notification capability will be compatible on HarmonyOS 7.0.0.109 SP6 and above.
With barrage notifications enabled, it is compatible with messages from certain apps (WeChat, QQ, Changlian, SMS, DingTalk and others) displayed in real time over the game interface as floating barrages, letting you grasp key information without switching away from the game. The platform must be upgraded to HarmonyOS 7.0.0.109 or above, and App Assistant needs to be upgraded to 16.4.1.300 or above.
IT Home testing found that on the Mate 90 series phones released on October 1, barrage notification capability has already been implemented out of the box. Players in the game centre can customise subtitle speed, size and more, and can also manage which notification apps are included (currently QQ, WeChat, Messages and Changlian among others).
Huawei's website states that App Assistant (Game Assistant) is a built-in assistant tool on Huawei devices, letting players quickly enable high performance mode, do not disturb, knuckle-joint blocking, screenshot, screen recording, smart voice control, brightness lock and more during games.