Themis

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1. 0.15.7 Apr 24, 2026 · release notes

   Themis 0.15.7 adds App Store privacy manifest support and ships themis.xcframework via CocoaPods.

   └──▷ GET THIS VERSION

   copy

   $ git clone --branch 0.15.7 https://github.com/cossacklabs/themis.git
   # already have the repo? check out this version:
   $ git checkout 0.15.7

   • Bundles PrivacyInfo.xcprivacy resource in themis.podspec to satisfy Apple App Store privacy manifest requirements.
   • Ships themis.xcframework as a vendored framework in themis.podspec, replacing the previous CocoaPods integration.
   • Raises IPHONEOS_DEPLOYMENT_TARGET to 15.6 in Themis.xcodeproj.

   3 details in Everything

   └──▷ BREAKING ON UPGRADE

   • !IPHONEOS_DEPLOYMENT_TARGET is bumped to 15.6; apps targeting iOS versions below 15.6 via Themis.xcodeproj will break.
2. 0.15.6 Jan 9, 2026 · release notes

   Themis 0.15.6 adds support for Android devices configured with 16 KB page size.

   └──▷ GET THIS VERSION

   copy

   $ git clone --branch 0.15.6 https://github.com/cossacklabs/themis.git
   # already have the repo? check out this version:
   $ git checkout 0.15.6

3. 0.15.2 Dec 7, 2023 · release notes

   Adds ES module import syntax and TypeScript declarations for JsThemis

   └──▷ GET THIS VERSION

   copy

   $ git clone --branch 0.15.2 https://github.com/cossacklabs/themis.git
   # already have the repo? check out this version:
   $ git checkout 0.15.2

   • Adds a TypeScript declaration file for type checking in JsThemis

   1 detail in Everything

   └──▷ BREAKING ON UPGRADE

   • !New minimum API level set to 33 for Android
   • !Minimum iOS version raised to 12.4 for ReactNative wrappers
4. 0.15.0 Jun 21, 2023 · release notes

   Themis 0.15.0 adds uncompressed EC key support via THEMIS_GEN_EC_KEY_PAIR_UNCOMPRESSED env var and OpenSSL 3.0 compatibility

   └──▷ GET THIS VERSION

   copy

   $ git clone --branch 0.15.0 https://github.com/cossacklabs/themis.git
   # already have the repo? check out this version:
   $ git checkout 0.15.0

   • Sets THEMIS_GEN_EC_KEY_PAIR_UNCOMPRESSED=1 environment variable to force generation of uncompressed EC public keys.

   1 detail in Everything

5. 0.14.7 Aug 12, 2022 · release notes

   Themis 0.14.7 adds WASMWASMA binary instruction format for a stack-based virtual machine, maintained by the W3C, that lets code compiled from any language run at near-native speed inside a sandboxed environment across browsers and servers. build option and improves React Native error handling

   └──▷ GET THIS VERSION

   copy

   $ git clone --branch 0.14.7 https://github.com/cossacklabs/themis.git
   # already have the repo? check out this version:
   $ git checkout 0.14.7

6. 0.14.5 Apr 14, 2022 · release notes

   WasmThemis SecureCell Seal mode accepts optional context parameters for encrypt/decrypt

   └──▷ GET THIS VERSION

   copy

   $ git clone --branch 0.14.5 https://github.com/cossacklabs/themis.git
   # already have the repo? check out this version:
   $ git checkout 0.14.5

7. 0.14.4 Apr 6, 2022 · release notes

   Themis 0.14.4 adds new react-native-themis package for React Native environments.

   └──▷ GET THIS VERSION

   copy

   $ git clone --branch 0.14.4 https://github.com/cossacklabs/themis.git
   # already have the repo? check out this version:
   $ git checkout 0.14.4

   └──▷ USE IT
   Install the new React Native wrapper in a project to access Themis crypto features.
   shell copy

   npm install react-native-themis

8. 0.14.0 Dec 23, 2021 · release notes

   Themis 0.14 adds Swift Package Manager support, TypeScript/ES6 for WasmThemis, and new BoringSSL packages.

   └──▷ GET THIS VERSION

   copy

   $ git clone --branch 0.14.0 https://github.com/cossacklabs/themis.git
   # already have the repo? check out this version:
   $ git checkout 0.14.0

   └──▷ USE IT
   Use the new TypeScript ES6 module to import WasmThemis classes.
   javascript copy

   import {SecureCell, SecureMessage, SecureSession, SecureComparator} from 'wasm-themis';

   Build the new BoringSSL-enabled Themis core packages using the build system.
   copy

   $ make deb ENGINE=boringssl

   • Adds Swift Package Manager (SPM) distribution for iOS and macOS targets
   • Adds initialize() function to WasmThemis allowing custom WASMWASMA binary instruction format for a stack-based virtual machine, maintained by the W3C, that lets code compiled from any language run at near-native speed inside a sandboxed environment across browsers and servers. module URLs
   • Provides TypeScript definitions and ES6 module imports for WasmThemis
   • Adds libthemis-boringssl packages built via make deb/rpm ENGINE=boringssl

   4 details in Everything

   └──▷ BREAKING ON UPGRADE

   • !The ErrOverflow error type in GoThemis is deprecated in favor of ErrOutOfMemory.
   • !RustThemis no longer supports the libthemis-src crate and requires Themis Core to be installed in the system.
   • !Private C header files (e.g., <soter/soter_container.h>, <themis/secure_session_t.h>) are no longer installed; code including them will fail to compile.
   • !Themis Server (Interactive Simulator) is no longer supported.
9. 0.13.7 Apr 28, 2021 · release notes

   Themis 0.13.7 adds SPM package support and XCFramework distribution

   └──▷ GET THIS VERSION

   copy

   $ git clone --branch 0.13.7 https://github.com/cossacklabs/themis.git
   # already have the repo? check out this version:
   $ git checkout 0.13.7

   └──▷ USE IT
   Add Themis to a Swift package using the new SPM manifest.
   text copy

   .package(url: "https://github.com/cossacklabs/themis.git", from: "0.13.7")

   Use the new XCFramework in an Xcode project for iOS/macOS.
   📍drag and drop the themis.xcframework from the release assets into the app target's Frameworks, Libraries, and Embedded Content.
   • Adds Package.swift for SPM support to install via Swift Package Manager
   • Distributes themis as an xcframework covering iOS, iOS Simulator, and macOS

   2 details in Everything

10. 0.13.0 Jul 8, 2020 · release notes

    Themis 0.13 adds symmetric key generation and passphrase-based Secure Cell sealing across languages

    └──▷ GET THIS VERSION

    copy

    $ git clone --branch 0.13.0 https://github.com/cossacklabs/themis.git
    # already have the repo? check out this version:
    $ git checkout 0.13.0

    └──▷ USE IT
    Encrypt data using a human-readable passphrase in Go.
    go copy

    scell, err := cell.SealWithPassphrase("secret")
    encrypted, err := scell.Encrypt([]byte("message"), nil)

    • soter_pbkdf2_sha256() derives encryption keys from passphrases using PBKDF2.
    • themis_secure_cell_encrypt_seal_with_passphrase() and decrypt_seal_with_passphrase() allow Seal mode encryption with human-readable passphrases.
    • New Kotlin and Swift 5 language bindings are now supported.

    3 details in Everything

    └──▷ BREAKING ON UPGRADE

    • !Secure Cell compatibility with Themis 0.9.6 is now disabled by default; enable with WITH_SCELL_COMPAT.
    • !ObjCThemis installed via Carthage is now called objcthemis instead of themis.
    • !Java 7 is no longer supported; Android builds require Java 8.
    • !Python 2 is no longer supported.
    • !Secure Session state serialisation in JavaThemis is deprecated.
11. 0.12.0 Sep 25, 2019 · release notes

    Themis 0.12.0 adds WasmThemis for WebAssemblyWebAssemblyA binary instruction format that runs in browsers and server runtimes at near-native speed, letting developers compile C, Rust, or other languages into a portable, sandboxed module any compliant host can execute., soter_wipe() API, and Go Modules support

    └──▷ GET THIS VERSION

    copy

    $ git clone --branch 0.12.0 https://github.com/cossacklabs/themis.git
    # already have the repo? check out this version:
    $ git checkout 0.12.0

    └──▷ USE IT
    Securely erase sensitive data from memory using the new soter_wipe() function in your C/C++ code.
    code copy

    #include <soter/soter.h>
    // ... after use ...
    soter_wipe(sensitive_buffer, buffer_length);

    Install the new ThemisPP library on Debian-based systems using the official package name.
    shell copy

    apt-get install libthemispp-dev

    • Adds WasmThemis, bringing Secure Cell, Secure Message, Secure Session, and Secure Comparator to WebAssembly (available via npm as wasm-themis)
    • Introduces soter_wipe() internal function in Themis Core to securely wipe sensitive data from memory
    • Enables Go Modules support for GoThemis, allowing version pinning in Go projects
    • Adds availability of ThemisPP as system packages (libthemispp-dev, libthemispp-devel) for Debian, Ubuntu, and CentOS

    4 details in Everything

    └──▷ BREAKING ON UPGRADE

    • !The default installation path on Linux changed from /usr to /usr/local
    • !GoThemis APIs renamed: cell.CELL_MODE_SEAL to cell.ModeSeal, compare.COMPARE_MATCH to compare.Match, keys.KEYTYPE_EC to keys.TypeEC, session.STATE_ESTABLISHED to session.StateEstablished, and (*session.SecureSession) GetRemoteId to GetRemoteID
    • !The rubythemis gem is removed; users must switch to requiring rbthemis
12. 0.11.1 Apr 1, 2019 · release notes

    Rust-Themis can now be installed via packages without building from source

    └──▷ GET THIS VERSION

    copy

    $ git clone --branch 0.11.1 https://github.com/cossacklabs/themis.git
    # already have the repo? check out this version:
    $ git checkout 0.11.1

    • Adds crate.io and repository package distribution for Rust-Themis

    1 detail in Everything

13. 0.11.0 Mar 28, 2019 · release notes

    Adds Rust wrapper, Carthage/BoringSSL/Bitcode for iOS, Homebrew tap, and key validation function to C++ Secure Session.

    └──▷ GET THIS VERSION

    copy

    $ git clone --branch 0.11.0 https://github.com/cossacklabs/themis.git
    # already have the repo? check out this version:
    $ git checkout 0.11.0

    └──▷ TRY IT
    Install Themis Core on macOS using the new Homebrew tap.
    copy

    $ brew tap cossacklabs/tap && brew update && brew install libthemis

    Include Themis with BoringSSL engine in an iOS project via CocoaPods.
    text copy

    pod 'themis/themis-boringssl'

    • Introduced Rust Themis wrapper via crates.io/themis with support for Secure Cell, Secure Message, Secure Session, and Secure Comparator
    • Added Carthage distribution for iOS/macOS users can add github "cossacklabs/themis" to their Cartfile
    • Added BoringSSL crypto-engine support for CocoaPod via pod 'themis/themis-boringssl'
    • Added bitcode support for Themis CocoaPod with OpenSSL
    • Added macOS Homebrew support for Themis Core via brew tap cossacklabs/tap && brew install libthemis

    +3 more show less

    • Added smart pointer constructors for Secure Session in C++ (std::shared_ptr<secure_session_callback_interface_t>)
    • Added key validation functions to C++ Secure Session to check keypairs before encryption/decryption
    • Dropped feature flag SECURE_COMPARATOR_ENABLED from C++ builds (Secure Comparator is now enabled by default)

    8 details in Everything

    └──▷ BREAKING ON UPGRADE

    • !rubythemis renamed to rbthemis
    • !themis_version() function removed with no replacement
14. 0.10.0 Feb 6, 2018 · release notes

    Themis 0.10 adds get_remote_id to Go, PHP packages, CLI utils for all wrappers, and fixes Ruby Secure Cell API.

    └──▷ GET THIS VERSION

    copy

    $ git clone --branch 0.10.0 https://github.com/cossacklabs/themis.git
    # already have the repo? check out this version:
    $ git checkout 0.10.0

    └──▷ TRY IT
    Install JSThemis using the new Makefile target
    copy

    $ make jsthemis_install

    • Adds get_remote_id function in GoThemis to retrieve the remote peer ID during Secure Session handshake
    • Adds console utility scripts for testing Secure Cell, Secure Message, and Key generation, available for Python, Ruby, Go, NodeJS, and PHP
    • Adds separate installation step for JSThemis via make jsthemis_install in the Makefile
    • Adds phpthemis package support so PHPThemis can be installed without compiling from sources
    • Adds support for PHP 7.0, 7.1, and 7.2 in PHPThemis

    5 details in Everything

    └──▷ BREAKING ON UPGRADE

    • !RubyThemis Secure Cell Token Protect mode arguments order changed; existing code calling this mode must be updated to the new signature
15. 0.9.6 Dec 14, 2017 · release notes

    Themis 0.9.6 adds OpenSSL 1.1 support and a make test target.

    └──▷ GET THIS VERSION

    copy

    $ git clone --branch 0.9.6 https://github.com/cossacklabs/themis.git
    # already have the repo? check out this version:
    $ git checkout 0.9.6

    └──▷ TRY IT
    Run the full test suite locally without manual setup steps.
    copy

    $ make test

    • Adds OpenSSL 1.1 support in the core library
    • Adds make test command to prepare and run all tests

    2 details in Everything

    └──▷ BREAKING ON UPGRADE

    • !Removed support for Ubuntu Precise
16. 0.9.4 Nov 22, 2016 · release notes

    Adds BoringSSL support for Android/Linux and Swift3 support to Themis.

    └──▷ GET THIS VERSION

    copy

    $ git clone --branch 0.9.4 https://github.com/cossacklabs/themis.git
    # already have the repo? check out this version:
    $ git checkout 0.9.4

    • Enables BoringSSL backend for Android and Linux platforms
    • Adds Swift3 language support with enhancements
    • Provides new Secure Comparator examples for multiple languages
    • Provides new Themis Server examples

    4 details in Everything

17. 0.9.3 May 25, 2016 · release notes

    Adds Swift, Go, NodeJS, and C++ wrappers plus WebThemis for browser-based encryption

    └──▷ GET THIS VERSION

    copy

    $ git clone --branch 0.9.3 https://github.com/cossacklabs/themis.git
    # already have the repo? check out this version:
    $ git checkout 0.9.3

    • Adds Swift language support with examples and howto documentation
    • Adds Go language wrapper with howto documentation
    • Adds NodeJS wrapper with examples and howto documentation
    • Adds C++ wrapper with examples and howto documentation
    • Releases WebThemis, a Google Chrome-friendly version of Themis for browser use

    +1 more show less

    • Adds umbrella header to the iOS wrapper

    6 details in Everything

18. 0.9.2 Nov 6, 2015 · release notes

    Themis 0.9.2 adds Themis Server for debugging, Zero Knowledge Proof auth via Secure Comparator, and broader wrapper support

    └──▷ GET THIS VERSION

    copy

    $ git clone --branch 0.9.2 https://github.com/cossacklabs/themis.git
    # already have the repo? check out this version:
    $ git checkout 0.9.2

    • Themis Server: interactive environment to debug apps and learn how Themis works.
    • Secure Comparator: zero-knowledge-proof-based authentication feature (experimental).
    • PHP wrapper gains Secure Session support.
    • Android wrapper for Secure Message adds Sign/Verify mode.
    • Python wrapper is updated to be Python 3 / PEP friendly.

    +1 more show less

    • Support for longer RSA keys via better cryptosystem parameter abstractions.

    6 details in Everything