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Turning Logging Off in AI Studio Also Turns Off Interactions API Conversation History
When no Gemini API logs show up in AI Studio, the usual culprit is the store default, which is inverted between the two APIs. Here is the side effect that quietly stops conversation history, and how to set store per request so it never surprises you.
Gemini quietly drops %1$s from translations, and no reviewer catches it
Format specifiers go missing, turn full-width, or get duplicated when Gemini translates app strings. Here are the four failure modes I keep seeing in production, how to stop them at generation time, and a short check that catches the rest.
The One Call I Refuse to Hand Gemini During a Phased Release
Day one of a phased release has nowhere near the sample size to tell a healthy build from a broken one. Here is the three-state rollout gate I use, and the narrow job I give Gemini inside it.
How Many Assistant-Dependent Lines Are Still in Your App?
On September 4th, Google Assistant on Android begins its replacement by Gemini. Here is how to grep your own project for every entry point an assistant can open, and how to turn that list into utterances you can actually test on a device.
Why My Length Limit Only Failed on the English Notifications, and the Width-Based Fit That Replaced It
I had Gemini write push notifications in Japanese and English, and only the English ones came out truncated on real devices. The culprit was measuring length in characters. Here are the measured widths and the post-generation fitting code that fixed it.
A minimal pre-send guard for Gemini-drafted app review replies
Store replies are risky after you hit send, not before. Here is a short Python guard that blocks unkeepable promises, leaked contact details, and register slips, plus the two false positives it produced on the first run.
Your Shipped App Still Remembers the Retired Model
Finishing the server-side migration is only half of a model retirement. The older builds of your app still hold the old model name, and once the cutoff passes, rolling back stops being a recovery option. Here is how I moved model resolution onto the server.
Before Adding New iPhone Widths, I Had Gemini Write Out the Branches I Already Had
Adding three new screen widths to four apps turned into an extraction job, not a rewrite. Here is why I let Gemini pull the branch table out of the source and kept every pass/fail decision in deterministic code.
Finding the questions your help docs never answer, by asking Gemini to write the quiz
When support keeps asking something your help page already covers, generate questions from that page and check whether the page alone can answer them. A two-pass audit pipeline with call design and cost math.
Green Tests, Dead Production — How Recorded Fixtures Hide a Model Retirement, and a Freshness Gate to Catch It
A test suite that replays recorded API responses will sail straight past a model retirement. I reproduce the failure in a minimal setup and build a cassette freshness gate, with measured overhead.
The Day I Stopped Tracking gemini-flash-latest: Batch Design That Survives Silent Model Swaps
A silent model swap pushed my batch rejection rate from 2.1% to 9.8% overnight. The pinning-plus-canary design I moved to, with the harness and numbers.
I Was Handing Gemini Obfuscated Stack Traces — Until retrace Went In Front, the Diagnoses Were Confident and Wrong
Release stack traces come out of R8 with the names flattened. Feed one to Gemini as-is and the diagnosis arrives calm, well-written, and wrong. Put retrace in front, match the mapping by versionCode, and forbid confident answers when you cannot restore. Numbers from 42 reports.