OkHttp 5.0 has a stable API. 🗿
Change Log - OkHttp
Square’s meticulous HTTP client for the JVM, Android, and GraalVM
square.github.io
July 3, 2025 at 2:57 PM
OkHttp 5.0 has a stable API. 🗿
Jake Wharton announced yesterday that all the Lysine projects (OkHttp, Okio, Retrofit, SQLDelight…) don’t allow contributors to use LLMs to generate code or write PR descriptions/comments.
August 15, 2026 at 2:38 PM
Jake Wharton announced yesterday that all the Lysine projects (OkHttp, Okio, Retrofit, SQLDelight…) don’t allow contributors to use LLMs to generate code or write PR descriptions/comments.
OkHttp 5.5 can do private domain names. 🕵🏻♂️
Change Log - OkHttp
Square’s meticulous HTTP client for the JVM, Android, and GraalVM
lysine.dev
August 16, 2026 at 4:59 PM
OkHttp 5.5 can do private domain names. 🕵🏻♂️
OkHttp 5.2 does connection upgrades. 👩🏽✈️
Change Log - OkHttp
Square’s meticulous HTTP client for the JVM, Android, and GraalVM
square.github.io
October 7, 2025 at 4:12 PM
OkHttp 5.2 does connection upgrades. 👩🏽✈️
Meanwhile, it *is* JetBrains, please and thank you.
November 11, 2024 at 4:43 PM
OkHttp 5.2.1 fixes a crash closing connections on Android Lollipop and Marshmallow! 🍭
square.github.io/okhttp/chang...
square.github.io/okhttp/chang...
Change Log - OkHttp
Square’s meticulous HTTP client for the JVM, Android, and GraalVM
square.github.io
October 9, 2025 at 11:19 PM
OkHttp 5.2.1 fixes a crash closing connections on Android Lollipop and Marshmallow! 🍭
square.github.io/okhttp/chang...
square.github.io/okhttp/chang...
‘Deconstructing OkHttp’ video + slides are up!
Deconstructing OkHttp
I presented this at KotlinConf on May 22, 2026. Also available on slides, YouTube, and Speaker Deck. OkHttp is a popular library for making network calls. You might use it directly, or with Ktor, ...
publicobject.com
July 3, 2026 at 4:50 PM
‘Deconstructing OkHttp’ video + slides are up!
OkHttp 5.2 supports QUERY requests.
That can hopefully pave the way for better caching of GraphQL (and other) operations
square.github.io/okhttp/chang...
That can hopefully pave the way for better caching of GraphQL (and other) operations
square.github.io/okhttp/chang...
Change Log - OkHttp
Square’s meticulous HTTP client for the JVM, Android, and GraalVM
square.github.io
October 7, 2025 at 8:50 PM
OkHttp 5.2 supports QUERY requests.
That can hopefully pave the way for better caching of GraphQL (and other) operations
square.github.io/okhttp/chang...
That can hopefully pave the way for better caching of GraphQL (and other) operations
square.github.io/okhttp/chang...
Ktor 3.4.0 is out! 🎉
The release improves stability and brings new features:
🔶 Zstd compression
🔶 OkHttp duplex streaming
🔶 Structured concurrency for the HTTP request lifecycle
🔶 OpenAPI generation from code
Read the blog post for details ⬇️
https://kotl.in/n31gtm
The release improves stability and brings new features:
🔶 Zstd compression
🔶 OkHttp duplex streaming
🔶 Structured concurrency for the HTTP request lifecycle
🔶 OpenAPI generation from code
Read the blog post for details ⬇️
https://kotl.in/n31gtm
Ktor 3.4.0 Is Now Available! | The Kotlin Blog
Ktor 3.4.0 is now available! It improves stability and addresses outstanding issues. Highlights include OpenAPI generation, Ztsd support for the compression plugin, duplex streaming for OkHttp, Struct...
kotl.in
January 23, 2026 at 6:43 PM
Ktor 3.4.0 is out! 🎉
The release improves stability and brings new features:
🔶 Zstd compression
🔶 OkHttp duplex streaming
🔶 Structured concurrency for the HTTP request lifecycle
🔶 OpenAPI generation from code
Read the blog post for details ⬇️
https://kotl.in/n31gtm
The release improves stability and brings new features:
🔶 Zstd compression
🔶 OkHttp duplex streaming
🔶 Structured concurrency for the HTTP request lifecycle
🔶 OpenAPI generation from code
Read the blog post for details ⬇️
https://kotl.in/n31gtm
🚨 OkHttp 5.1.0 is here!
✨ New: Response.peekTrailers() – non-blocking access to HTTP/2 trailers
🐛 Fix: trailers() now works even without a response body (hello, Retrofit users 👋)
🔗 Full changelog: square.github.io/okhttp/chang...
#AndroidDev #Java #OkHttp #Retrofit #Android
✨ New: Response.peekTrailers() – non-blocking access to HTTP/2 trailers
🐛 Fix: trailers() now works even without a response body (hello, Retrofit users 👋)
🔗 Full changelog: square.github.io/okhttp/chang...
#AndroidDev #Java #OkHttp #Retrofit #Android
Change Log - OkHttp
Square’s meticulous HTTP client for the JVM, Android, and GraalVM
square.github.io
July 14, 2025 at 3:20 AM
🚨 OkHttp 5.1.0 is here!
✨ New: Response.peekTrailers() – non-blocking access to HTTP/2 trailers
🐛 Fix: trailers() now works even without a response body (hello, Retrofit users 👋)
🔗 Full changelog: square.github.io/okhttp/chang...
#AndroidDev #Java #OkHttp #Retrofit #Android
✨ New: Response.peekTrailers() – non-blocking access to HTTP/2 trailers
🐛 Fix: trailers() now works even without a response body (hello, Retrofit users 👋)
🔗 Full changelog: square.github.io/okhttp/chang...
#AndroidDev #Java #OkHttp #Retrofit #Android
August 14, 2026 at 8:12 PM
Some fingerprint-relevant info: They use the okhttp client library, which has UA string "okhttp/4.9.1"
(this is as of apk build "20240418.0-5-g4fd1bbff-dirty", which is not the latest but it's all I have for now, until I RE the OTA mechanism...)
(this is as of apk build "20240418.0-5-g4fd1bbff-dirty", which is not the latest but it's all I have for now, until I RE the OTA mechanism...)
May 6, 2024 at 12:21 PM
Some fingerprint-relevant info: They use the okhttp client library, which has UA string "okhttp/4.9.1"
(this is as of apk build "20240418.0-5-g4fd1bbff-dirty", which is not the latest but it's all I have for now, until I RE the OTA mechanism...)
(this is as of apk build "20240418.0-5-g4fd1bbff-dirty", which is not the latest but it's all I have for now, until I RE the OTA mechanism...)
yeah those okhttp/4.12.0 requests are all me lol
January 27, 2026 at 5:24 PM
yeah those okhttp/4.12.0 requests are all me lol
Android 17’s better HTTPS privacy is rad. I’m proud that OkHttp 5.5 makes it easy to adopt.
Closing a Critical Internet Privacy Gap for Billions of Users: Android 17 Rolls Out ECH Support
When you launch an app or visit a website, you likely assume your connection is private. In reality, a critical privacy gap remains. Even…
medium.com
August 27, 2026 at 3:54 PM
Android 17’s better HTTPS privacy is rad. I’m proud that OkHttp 5.5 makes it easy to adopt.
Add QUERY method support (#8550) · square/okhttp@35ac3f5
* Add QUERY method support
github.com
August 16, 2025 at 8:01 PM
Its called okHttp because it's only okay
March 10, 2026 at 8:01 AM
Its called okHttp because it's only okay
For anyone seeing the events that occurred at Block and think "man, I feel for them"... If you work in tech, it's gonna suck for you too. These are the people who maintained open source we all use, such as Okhttp, Retrofit, Okio, Turbine, Molecule, Paparazzi, Moshi, KotlinPoet, Java Poet, etc...
February 27, 2026 at 5:41 AM
For anyone seeing the events that occurred at Block and think "man, I feel for them"... If you work in tech, it's gonna suck for you too. These are the people who maintained open source we all use, such as Okhttp, Retrofit, Okio, Turbine, Molecule, Paparazzi, Moshi, KotlinPoet, Java Poet, etc...
🚀 OkHttp 5.0.0 is out!
✅ Separate JVM & Android artifacts
🌐 Happy Eyeballs (IPv6+IPv4)
🧪 New MockWebServer (no JUnit 4!)
🔥 GraalVM support
🧵 Coroutine-friendly APIs
Details here→ square.github.io/okhttp/chang...
#OkHttp #AndroidDev
✅ Separate JVM & Android artifacts
🌐 Happy Eyeballs (IPv6+IPv4)
🧪 New MockWebServer (no JUnit 4!)
🔥 GraalVM support
🧵 Coroutine-friendly APIs
Details here→ square.github.io/okhttp/chang...
#OkHttp #AndroidDev
Change Log - OkHttp
Square’s meticulous HTTP client for the JVM, Android, and GraalVM
square.github.io
July 4, 2025 at 4:06 AM
🚀 OkHttp 5.0.0 is out!
✅ Separate JVM & Android artifacts
🌐 Happy Eyeballs (IPv6+IPv4)
🧪 New MockWebServer (no JUnit 4!)
🔥 GraalVM support
🧵 Coroutine-friendly APIs
Details here→ square.github.io/okhttp/chang...
#OkHttp #AndroidDev
✅ Separate JVM & Android artifacts
🌐 Happy Eyeballs (IPv6+IPv4)
🧪 New MockWebServer (no JUnit 4!)
🔥 GraalVM support
🧵 Coroutine-friendly APIs
Details here→ square.github.io/okhttp/chang...
#OkHttp #AndroidDev
We don’t use LLM tools to develop OkHttp. For us the best way to keep the project small, secure, and simple is to write code without AI.
But the absence of HTTP/3 is noted. It's on the backlog!
But the absence of HTTP/3 is noted. It's on the backlog!
August 5, 2026 at 2:13 AM
We don’t use LLM tools to develop OkHttp. For us the best way to keep the project small, secure, and simple is to write code without AI.
But the absence of HTTP/3 is noted. It's on the backlog!
But the absence of HTTP/3 is noted. It's on the backlog!
OkHttp 5.3 has a handy place for your metadata. ☎
Change Log - OkHttp
Square’s meticulous HTTP client for the JVM, Android, and GraalVM
square.github.io
October 30, 2025 at 10:01 PM
OkHttp 5.3 has a handy place for your metadata. ☎