Observed Signal · Jul 6, 2026 · Technical Release · Source: https://www.blogger.com/feeds/7815614485808579332/posts/default?category=google_ads_api&orderby=published · Impact: 4/5 · Sentiment: Positive
Google makes GMA Next‑Gen SDK preferred Android SDK
Google announced that Google Mobile Ads (GMA) Next‑Gen SDK is now the preferred Android SDK for use with Google AdMob and Google Ad Manager. The Next‑Gen SDK is described as a significant rewrite improving speed, stability, and developer experience; the prior Google Mobile Ads SDK for Android is now considered legacy. Google published a deprecation timeline for legacy SDK version 25.x.x (supported as of July 1, 2026; deprecated with no technical support from June 30, 2027; sunset and at risk of not serving ads from June 30, 2028). Google also published migration resources including documentation, an AI agent migration skill, and example apps in a GitHub repository. The post is authored by Natalia Vargas‑Caba, Mobile Ads Developer Relations / Google Ads Developer Advisor.
Major platform (Google) has declared a new preferred mobile ads SDK and published a multi‑year deprecation schedule for the legacy SDK; this affects app developers, in‑app ad serving, monetization, and app releases, and requires migration planning across the ecosystem.
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Key Takeaways & Evidence Grounding
- Google Mobile Ads (GMA) Next‑Gen SDK is now the preferred SDK for Android development with Google AdMob and Google Ad Manager.
- Google Mobile Ads SDK for Android is now classified as legacy; legacy version 25.x.x follows a published deprecation schedule.
- Deprecation timeline for Google Mobile Ads SDK (legacy) v25.x.x: Supported on July 1, 2026; Deprecated (no technical support) on June 30, 2027; Sunset (ads at risk of not serving; reported as outdated preventing app releases) on June 30, 2028.
- Google published migration resources including migration guides, a 'migrate-with-AI' agent skill, and example applications in a GitHub repository.
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Google Unveils Next-Gen Mobile Ads SDK for Android
Google announced the Google Mobile Ads (GMA) Next‑Gen SDK for Android, a ground-up rewrite of its mobile ads SDK focused on speed, stability and developer experience. The SDK is available in Open Beta and is scheduled for general availability in July 2026. Google cites up to 27% faster ad request latency for banner ads and up to 17% smaller binary size versus the previous SDK, plus background initialization, Kotlin-first APIs, and more frequent release cycles. Early beta publishers reported improved monetization and app performance (examples: 50% ARPU increase, 91.5% ARPDAU uplift, ~33% reduction in ANR, 50% fewer slow cold starts, 16% higher fill rate). Google published integration and migration guides, code samples on GitHub, and a schedule of webinars and technical sessions for adopters.
Google Releases GMA Next‑Gen SDK for Android (Unity)
Google announced the Google Mobile Ads (GMA) Next‑Gen SDK for Android is now available to Unity developers. The SDK promises up to 27% faster banner ad request latency versus the previous version, reduced on‑device size, background startup to limit startup impact, and improved stability by removing remote procedure calls (RPCs). It supports all existing Google Mobile Ads formats and will be the exclusive Android target for new AdMob development. Unity developers can upgrade with a one‑click toggle in the GMA Unity plugin version 11.1.0 via Assets > Google Mobile Ads > Settings.
Google Unveils Major Update for Android Ads SDK 25.0.0
Google announced version 25.0.0 of the Android Google Mobile Ads SDK (AdMob). The major release adds new Large Anchored Adaptive Banner size APIs (AdSize.getLargeAnchoredAdaptiveBannerAdSize()), includes breaking changes and removals that primarily affect mediation adapters and custom events, and updates several deprecated APIs and callbacks. The post deprecates older anchored adaptive APIs, removes specific classes/methods (e.g., mediation VersionInfo class, RtbSignalData.getConfiguration(), NativeAdViewHolder), and replaces string-based failure callbacks with AdError-based methods. Google reminds developers that SDK versions 23.0.0–23.6.0 are deprecated and Android versions 22.0.0–22.6.0 will sunset on June 30, 2026, and points to release notes and a migration guide. The blog post is authored by Jason Chiu of Mobile Ads Developer Relations.
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