In connection with LIFF v2.31.1 released on September 30, 2026, we would like to provide an overview of the resolved security vulnerability in the LIFF/LINE MINI App and the accompanying usage restric...

As announced on September 14, 2026, the LINE MINI App Policy has been revised on October 14, 2026. Date of revision October 14, 2026 Details of revision - Clarification of the conditions for serving a...

We've released LIFF v2.31.2. In LIFF v2.31.2, we've made the following change. We've changed how the ? character is handled in LIFF URL query parameter values As announced on August 31, 2026, we've ...

We'd like to inform you about a service outage regarding the LINE Platform. The issue has now been resolved. We sincerely apologize for any inconvenience that this may have caused. Date and time of ou...

LINE MINI Apps that use in-app purchase can apply for the Mini Apps Partner Program, offered by Apple Inc. When the Mini Apps Partner Program applies to a LINE MINI App, the fees payable to Apple Inc....

We've released LIFF v2.31.1. In LIFF v2.31.1, we've fixed the following bug. We've fixed an issue with potential security implications LIFF v2.20.0 - v2.31.0 have been deprecated because an issue with...

We will discontinue the following demo apps available on the LINE Developers site on September 30, 2026: - Messaging API demo - LINE Login demo - LINE MINI App demos - Store reservation demo - Table o...

We've updated the resumption date to early November 2026. Due to a technical issue, we've temporarily suspended part of the feature for using multiple LINE Official Accounts with the add friend optio...