Tizen 6.5 Public M2

Release date: Oct. 31, 2021

Release details

• Getting source code (Tizen 6.5 M2 source codes are under tizen_6.5 branch.)

• Getting binaries and images

  • Base: http://download.tizen.org/releases/milestone/tizen/base/tizen-base_20211001.1/
  • Profile(Unified): http://download.tizen.org/releases/milestone/tizen/unified/tizen-unified_20211014.1/

• How to flash to a device

Release notes

System (kernel and system framework)

New and changed features

• New API and features
  • Kernel
    • A fine-grained version of THP (Transparent HugePage) in Linux kernel for embedded systems has been implemented in Raspberry Pi 4.
  • HAL
    • HAL API Layer is implemented for unifying the HAL backend style and splitting out the hardware dependency.
    • New image structure is adapted for HAL, new partition is added for a set of HAL backend packages.
  • System and resource management
    • VIP process monitor has been improved by removing race conditions.
    • Percentage-based memory threshold has been developed.
    • Coredump generation for .NET 6 runtime has been supported.
    • Tizen feature database tools have been improved.
    • Container adaptation for file system mount units has been developed.
  • Device and sensor management
    • Orientation and rotation vector sensor algorithms have been upgraded for improving correctness.
    • HAL backend for Inertial Measurement Unit (IMU) sensors has been implemented for Raspberry Pi 4 devices.
    • Separate backend libraries for sensor devices have been supported.
    • Daemon-less direct API set for peripheral-io and runtime memory usage has been developed.
    • Sleep mode for IoT headless devices has been supported.
    • Display control for HDMI-based external display devices has been supported.
    • Display option for USB connection change has been added.
    • API for board serial number has been added.
  • OS upgrade
    • FOTA update for Raspberry Pi 4 IoT headless devices has been supported.
    • Crash recovery schemes have been developed for reliable OS upgrade.
    • Metadata for FOTA server management has been included in delta files.
    • Testsuites for OS upgrade have been developed.
    • Delta file generators have been improved.
  • Open source
    • CVE-2021-33910 patch has been applied to systemd.

System (base)

New and changed features

• Open source
  • ccache
    • Version 3.1.6 has been upgraded to version 4.4.
  • libxml2
    • Version 2.9.10 has been upgraded to version 2.9.12.
  • gtest
    • Version 1.8.0 has been upgraded to version 1.10.0.
• System-settings
  • Image validation checker for two keys has been removed.
    • SYSTEM_SETTINGS_KEY_WALLPAPER_HOME_SCREEN
    • SYSTEM_SETTINGS_KEY_WALLPAPER_LOCK_SCREEN

Fixes

• CVE patches
  • libxml2
    • CVE-2019-20388
    • CVE-2020-24977
    • CVE-2020-7595

Application framework

New and changed features

• Resource package
  • A new installer for resource packages has been added.
  • API set for retrieving information of a resource package has been added.
• Cross device communication using TIDL
  • API set for device-to-device communication has been added.
  • An option to compile for device-to-device communication has been added to TIDLC.
• rpc-port extension
  • The library has been modified to use stub API in daemon process.

Fixes

• rpc-port
  • The dependency on D-Bus has been removed.
• pkgmgr-tool
  • Minor bugs have been fixed.

Window and interaction

New and changed features

• Text Input Framework
  • The sticker input in reference IME in case of installing sticker package has been added.
  • The keyboard hot key (Shift & Space) for switching H/W keyboard language has been added.
  • The API to support NUI IME has been added.
• Multi-assistant Framework
  • Support for N:N relationship between multiple wake-up engines and voice assistants has been added.
• Multi-modal Interaction Framework
  • The API to support multi-modal interaction has been added.
  • The multi-modal interaction manager has been added.
• Enlightenment Wayland display server
  • Foreign Shell has been added. This provides sharing wayland resources between wayland clients through exporting and importing foreign shells.
  • Support for always on parent functionality has been added.
  • Support for pending_show functionality has been added.
  • Support for showing the softkey service by swipe up has been added.
• TBM
  • TBM HAL Backend for amlogic chipset has been added.
  • TBM HAL Backend for msm chipset has been added.
• TDM
  • TDM HAL Backend for amlogic chipset has been added.
  • TDM HAL Backend for msm chipset has been added.

Graphics and UI

New and changed features

• NUI
  • Common
    • HorizontalAlignment and VerticalAlignment have been added in LinearLayout.
    • Argument type of TimePeriod has been changed.
    • AdjustViewSize to ImageView has been added.
    • Page Transition API set has been added.
    • Text Selection API set in TextField, TextEditor has been added.
    • SpaceEvenly to FlexJustification has been added.
    • Copy, Cut and Paste for Text on TextEditor and TextField have been added.
    • FindDescendantByID, Raise, Lower, GetOriginalImageSize have been added.
    • BorderlineWidth, Color and Offset in View have been added.
    • SelectionCleared, SelectionChanged and CursorPositionChanged events to TextField and TextEditor have been added.
    • EllipsisPosition properties to TextLabel, TextField and TextEditor have been added.
    • SafeNativeWindowHandle has been replaced into Window.NativeHandle.
    • VideoView.NativeHandle has been added.
    • Hyphenation and Mixed modes to LinewrapeMode enum have been added.
    • InputFilter API set in TextField, TextEditor has been added.
    • NUI IME window support has been added.
    • Capture API set has been added.
    • GetHeightForWidth() and GetWidthForHeight() have been added.
    • AnchorClicked events to TextLabel, TextField and TextEditor have been added.
    • Transition API set has been added.
    • EXaml (Enhanced XAML) feature which separates XAML resources has been added.
    • Gesture propagation has been added.
    • Support for ETC2_EAC compressed format texture has been added.
    • Support for focus finder has been added.
    • Support for background and span markup tags has been added to TextLabel.
  • Components
    • RiveAnimationView has been added.
    • Grouping, Clipping, Masking, Gradient (Linear, Radial), Path and Picture functions has been added in CanvasView.
    • Accessibility (AT-SPI2) functionalities for all Components have been added.
    • Navigator Popped event has been added.
    • Page Appear/Disappear events have been added.
    • MakeToast function has been added in Notification.
    • ItemAlignment and ItemSpacing properties have been added in Button.
    • Slider and Progress properties related to showing value have been added.
    • Page Navigation API set has been added.
    • DialogPage has been added.
    • Menu and MenuItem classes have been added.
• ThorVG
  • SVG Loader has been enhanced by supporting more extensible SVG spec including embedding images.
  • PNG, JPG formats have been supported.
  • Binary Vector Graphics Data Format (TVG) has been supported.
  • SVG - TVG file converter has been added in the ThorVG Viewer (www.thorvg.org/viewer).

Fixes

• NUI
  • Layout related bugs have been fixed.
  • A clipping bug of a transparent renderer has been fixed.
  • A bug that a triple tap doesn’t work has been fixed.
  • Invalid text selection behavior has been fixed.

Multimedia framework

New and changed features

• MediaPlayer
  • New display type for video and UI synchronization has been added.
• capi-media-vision
  • Inference
    • New pre-/post-process based on models meta files has been applied.
• media-content
  • New media type for ebook (epub3, pdf) has been added.
  • API set for searching ebooks has been added.

Network and connectivity

New and changed features

• Wireguard VPN
  • Wireguard protocol which aims for better performance than IPsec and OpenVPN has been added.
• Advanced on-line checking
  • New BPF-based low overhead mechanism for checking internet connection status has been added.
• Wi-Fi
  • New feature for supporting MAC address randomization has been added.
    • http://tizen.org/feature/network.wifi.mac_randomization
• User Awareness API
  • The API set for monitoring user location has been added.
  • New feature for the user location has been added.
    • http://tizen.org/feature/network.user_awareness.location
• Smartcard API
  • New feature for supporting USB type secure element has been added.
    • http://tizen.org/feature/network.secure_element.usb
• Vine
  • BLE datapath support has been added.
  • Wifi-Aware (NAN) datapath support has been added.
• Bluetooth API
  • New GATT C# API set for MTU size has been added.

Fixes

• Bluetooth
  • GATT write request issue with the zero length has been fixed.
  • Some bugs related with Mesh Node role have been fixed.
  • Device name converting issue in C# has been fixed.
• User Awareness
  • Some memory leak issues have been fixed.
• Network
  • MAC address randomization issue with multiple Wi-Fi interfaces has been fixed.
  • Some bugs related with WPA3-SAE transition mode have been fixed.
  • Some memory leak issues have been fixed.

Service framework

Fixes

• Account Framework
  • Potential defects have been fixed.
• Sync-Manager
  • Potential defects have been fixed.
• Location Framework
  • Potential defects have been fixed.
  • HAL layer decoupling has been applied.
• Messaging
  • Potential defects have been fixed.
• Push
  • Glib timer support has been added.

Web framework

New and changed features

• Web Runtime
  • Addon features have been added.
    • Translation feature
    • Categorization feature

Fixes

• Web Engine
  • NUI WebView support
    • Resizing issue has been fixed.
    • Surface orientation issue has been fixed.
  • Known Security vulnerabilities have been fixed.
    • CWE-676

Lightweight web solution

New and changed features

• Lightweight Web Engine
  • Web Engine
    • Flutter port has been added.
    • An Image map feature has been added.
    • Support for HTTP/2 Protocol has been added.
  • JS API set
    • TextEncoder/TextDecoder Web API set has been added.
  • Javascript Engine
    • ECMAScript 2020 features have been added.
    • WebAssembly MVP features have been added.
    • JS CodeCache has been optimized.
• JS based lightweight backend service FW
  • Lightweight node.js has been added.

Fixes

• Lightweight Web Engine
  • (Grid/Flex) Layout defects have been fixed.
  • File defects have been fixed.

Tizen .NET

New and changed features

• TizenFx
  • Tizen.NUI
    • LinearLayout.LinearAlignment has been deprecated.
    • Navigator Popped event has been added.
    • Page Appear/Disappear event has been added.
    • Argument of TimePeriod has been changed.
    • LinearLayout.Horizontal/VerticalAlignment has been added.
    • AdjustViewSize has been added to ImageView.
    • Page Transition has been added.
    • The name of ImageView Property has been changed.
    • Text Selection has been added to TextField, TextEditor.
    • Input Filter has been added to TextField, TextEditor.
    • Copy, Cut, and Paste have been added to TextField, TextEditor.
    • BorderlineWidth/Color/Offset has been added to NUI.BaseComponents.View.
    • RiveAnimationView has been added.
    • Support for IME Window has been added.
    • WebView has been added.
    • CameraView has been added.
    • Picker has been added.
    • ResizePolicy has been deprecated.
  • Tizen.Multimedia
    • New Inference configuration has been added.
    • Legacy Inference configuration has been deprecated.
    • Support for Video & UI Sync has been added.
    • Support for HEIF image has been added.
    • ConnectAsync has been added.
    • Support for EBook Format has been added.
    • Additional GATT API set has been added.
    • WebRTC has been added.
    • Support for CameraPixelFormat (VP8, VP9) has been added.
    • Additional VideoMimeTypes have been added.
  • Tizen.Applications
    • Cion has been added.
    • New constructor and method has been added to RPCPort.
    • Parcel.Header has been added to RPCPort.
    • Support for Resource Control has been added.
  • Tizen.Uix.Tts
    • Errors and API set for Screen Reader Option have been added.
  • Tizen.Uix.InputMethod
    • IME Resizing has been added.
  • Tizen.MachineLearning
    • Support for Neural Network Framework and HW Type has been added.
  • Tizen.Security
    • OCSP has been deprecated.

Toolchain

New and changed features

• Hardware-assisted AddressSanitizer (HWASan)
  • GCC/ Libsanitizer : HWASan feature has been backported and tuned for Tizen.
  • HWASan compiler options have been applied.
  • HWASan runtime options have been applied to build and runtime environment.
  • Support for HWASan has been added to glibc and packages.
• Large File Support (LFS)
  • LFS support has been added to AArch64.
• New architecture(ARMv7hl) support
  • Build support has been added for 32-bit hard float ABI.

Fixes

• Binutils/ LTO bug #25355
  • LTO plugin bugfix has been backported into binutils, ld, and bfd.
• Glibc/ dynamic linker bug #24259
  • Dynamic linker crash after a previously failed call to dlopen has been fixed.
• Toolchain testsuites bugs have been fixed on GCC, Glibc and Binutils.

Machine learning

New and changed features

• Machine Learning (ML) Inference API
  • New neural network framework identifiers including VD_AIFW (Samsung Tizen TV) and TRIX_ENGINE (SR NPU) have been added.
  • New HW accelerator designators including NPU_SLSI (Samsung S.LSI) and NPU_SR (SR NPU) have been added.
  • ml_pipeline_src_input_callback() API has been added to support callbacks for the app-src element.
  • ml_check_nnfw_availability_full() API has been added to check HW availability with custom option strings.
• Machine Learning (ML) Training API and NNTrainer updates
  • Model save and load API set have been added.
  • Model input and output tensor information query API has been added.
  • API set to create and to set dataset properties has been added.
  • New layers to support advanced training methods have been added.
    • CNN : Embedding layer, Split layer, Permute layer, and Dropout layer
    • Recurrent Net : RNN layer, LSTM layer, and GRU layer
  • New layers to augment data have been added.
    • Flip layer, and Translate layer.
  • New layers to support meta-learning algorithms have been added.
    • Centroid KNN layer and L2norm layer
• NNStreamer updates
  • NNStreamer has been upgraded to version 2.0.
  • Integrated SR-NPU development environment has been added: HAL, driver package, emulator, sample code, and so on.
  • Script mode for Python and Lua has been added to run scripts directly in the pipeline description.
  • New subplugins including Apache TVM, SNPE (Snapdragon Neural Processing Engine) have been added.
  • New event for tensor-filter subplugin has been added to support an optional event, custom HW availability checks.
• Edge-AI features
  • Data serialization mechanisms have been added: Protocol buffer, FlatBuffer, and FlexBuffer.
  • Remote query (client/server) capability has been added. This allows offloading AI inference workload.
  • New tensor stream types, sparse tensors and flexible tensors, have been added to support various AI data streaming format.
  • MQTTSink and MQTTSrc elements have been added to support Pub/Sub streams via MQTT brokers.
• AI Inference Offloading Framework
  • A new framework for offloading ML model inference to the high-end devices in LAN has been added.
  • An app can discover high-end devices (peers) in LAN and request to one of them to inference the app’s ML model on behalf.
  • All the devices are authenticated and the communication channels for transferring inputs and outputs are encrypted.
  • NNStreamer is used for construction remote inference pipeline.

Fixes

• ML Inference API / NNStreamer
  • The hidden memory issues including memory leakage, double free, and segmentation faults have been fixed.
  • Mutex issues including unnecessary locks and dead locks have been fixed.