Tizen 5.5 Public M1

Release date: May 31, 2019

The Tizen 5.5 Public M1 release provides developers with the Tizen kernel, device drivers, middleware subsystems, and Web and Native API set.

Release Details

Release Notes

System (Kernel and System framework)

New and changed features

  • Kernel upgrade
    • Kernel for Raspberry Pi 3 and ODROID-XU3 has been upgraded to version 4.14.
  • New API set and features
    • Activationd
      • Event-based activation has been developed.
    • D-Bus
      • A prototype of shared data structures using FlatBuffers has been developed.
      • New policy rules for security enhancement have been developed.
    • Deviced
      • API set for thermal management has been added.
      • Display image effect has been developed.
      • Touchscreen sensitivity control has been developed.
      • Plugin interfaces for submodules have been added.
      • Logdump utility has been developed.
    • Feedbackd
      • Standard and unlimited patterns have been developed.
    • edge-orchestration
      • Discover edge-orchestration device and registered service has been added.
      • Scoring device resource for registered service has been added.
      • Offloading service to other edge device has been added.
    • Network flashing
      • Flashing platform image through network has been developed.

Fixes

  • System core modules
    • Deviced
      • Reliability during poweroff has been improved.
    • Systemd
      • Race conditions during boot sequence have been fixed.
      • CVE issues (CVE-2018-16864, CVE-2018-16865, and CVE-2018-16866) have been patched.
    • D-Bus
      • Upstream patches regarding memory leak have been added.
      • Race condition on libdbuspolicy has been fixed.

System (IoT System)

New and changed features

  • Memory management for long-lived process like background-locked application has been enhanced.
    • Separated memory cgroup for long-lived process has been added. When system goes to idle state, it proactively reclaims the long-lived memory of the process to provide better memory usage environment for devices with limited memory.
  • Memory reclaim at boot can be configured (enabled and disabled).
  • Watchdog functionalities for headless-device have been enhanced like headed-device.
  • System-dump supports extension mechanism to dump vendor-specific information. In addition, system-dump dumps installed-package list for checking installed-app version as default behaviors.

System (Base)

New and changed features

  • Open source upgrade
    • icu (63.1)
    • Python (2.7.15)
    • sqlite (3.26.0)
    • tzdata (2018f)
    • gobject-introspection (1.52.1)
    • python-gobject (3.30.1)
    • python-cairo (1.17.0)
    • expat (2.2.6)
    • openfst (1.6.5) has been added.
    • file (5.35)
    • jsoncpp (1.8.4)
    • jsontool (9.0.6)
    • psmisc (23.2)
    • re2 (20181001)
    • gtk-doc (1.29)
    • xz (5.2.4)
    • itstool (2.0.5) has been added.
    • meson (0.49)
    • python-setuptools (40.6.3)
    • dos2unix (7.4.0)
    • libarchive (3.3.3)
    • libsolv (0.6.35)
    • perl-TimeDate (2.30)
    • re2c (1.1.1)
  • Expanded the capi-system-settings API set:

Fixes

  • CVE patches
    • libxslt : CVE-2019-11068
    • sqlite3: CVE-2019-9936
    • Python: CVE-2019-9740 and CVE-2019-9636
    • file : CVE-2019-8906

Application framework

New and changed features

  • New notification API set
    • Various types of notifications have been provided to represent various information.
  • Improved app-control API set
    • API set for Uniform Resource Identifier (URI) has been provided.
    • A synchronous launch request API has been provided.
    • It allows applications to use API set that can be used separately for each request of app-control.
  • Improved API set for package manager
    • A way to describe dependencies between packages has been provided.
    • API to get dependencies between packages has been provided.
  • New C# API set
    • C# API set for watch-complication has been provided.
    • C# API set for application events has been provided.

Window System

New and changed features

  • Wayland
    • The open source wayland-protocols has been upgraded to version 1.16.
  • Wayland extension
    • The tizen_launch_appinfo interface has been added. Display server can get the application information such as pids and appids from the clients.
  • Enlightenment Wayland display server
    • Support for the accessibility screen zoom has been added. The system service can utilize this feature by using the Tizen shell magnifier functions of the tizen-ws-shell.
    • Support for the High (4K) resolution has been added. Display server can display the multi-resolution windows with the fullscreen size on a screen.
    • Support for various types of quickpanel has been added. In addition to the system default type quickpanel, a new context menu type quickpanel is also supported.
    • The focus history feature has been added to support queue-based management of window focus. It provides consistent focus policy to GUI applications for Tizen.
    • Taking a window capture has been updated to create an image file, which includes soft keyboard UI when a user is typing.
    • The window capture submodule has been refactored to improve reusability.
    • Reference implementation of ping-pong policy has been added to the e-mod-tizen-wm-policy module, which can be used to detect unresponsive GUI applications.
    • The e_dbus has been changed to support more reliable D-Bus connection in the multi-threaded environment.
    • The logging utility function ELOG has been changed to not use the parameter of e_pixmap.
    • The e_msg has been updated to provide better functionality when communicating between enlightenment modules.
    • The HWC Windows is enabled on the reference targets.
    • The debugging tool has been extended with support for:
      • -trace serial: print Tizen Buffer Manager (TBM) serial updates
  • Tizen ws shell
    • New API set and enums for various types of quickpanel have been added as follows:
      • API set
        • tzsh_quickpanel_create_with_type
        • tzsh_quickpanel_type_get
      • Enums
        • TZSH_QUICKPANEL_TYPE_UNKNOWN
        • TZSH_QUICKPANEL_TYPE_SYSTEM_DEFAULT
        • TZSH_QUICKPANEL_TYPE_CONTEXT_MENU
    • The tzsh_quickpanel_create API has been deprecated since Tizen 5.5. It has been replaced by the new tzsh_quickpanel_create_with_type API.
    • Support for Tizen shell magnifier service has been added to make it easier to develop accessibility screen zoom module.
  • Tizen Display Manager (TDM)
    • TDM provides the API set for managing the virtual outputs.
      • The wayland clients can create and destroy the virtual output.
      • The wayland clients can get the buffer, which is displayed on the virtual outputs.
    • The API set for TDM HWC has been added.
      • tdm_hwc_set_name
      • tdm_hwc_set_cursor_image
      • tdm_hwc_get_property
      • tdm_hwc_set_property
    • TDM backends of the reference targets enable the TDM HWC feature.
  • Tizen Buffer Manager (TBM)
    • TBM_BO_TILED flag has been added. TBM backends use the tiled memory with this flag.
    • The API set for waiting the dequeue buffer has been added.
      • Tbm_surface_queue_can_dequeue_wait_timeout
  • Mesa
    • Mesa has been upgraded from version 17.1.0 to version 19.0.0.
  • Vulkan
    • Vulkan has been upgraded from version 1.1.74 to version 1.1.92.
    • New Vulkan packages have been added:
      • Vulkan-Headers
      • Vulkan-Loader
      • Vulkan-Tools
      • Vulkan-ValidationLayers

Fixes

  • libxkbcommon
    • Security vulnerabilities (CVE-2018-15858, CVE-2018-15859, CVE-2018-15861, CVE-2018-15863, CVE-2018-15862, and CVE-2018-15864) have been fixed.
  • Enlightenment Wayland display server
    • Many code defects detected by the static analysis tool have been fixed.
    • Compilation warnings while building on the 64-bit architecture have been fixed.
    • Duplicated internal event generation for creation of window has been fixed.
    • Gesture recognition problem for the edge swipe using multi-fingers has been fixed.
    • Missed up event from the input generator has been fixed to pair up with the down event correctly.
  • TBM
    • The defects related to the mutex lock have been fixed.
  • TDM
    • Many defects related to tdm_hwc have been fixed.
    • The tdm_hwc implementation of the tdm backends has been fixed.
      • libtdm-exynos
      • libtdm-exynos-deconfb
      • libtdm-sprd
      • libtdm-vc4
  • TPL-EGL
    • Many deadlock defects on the tpl-egl thread have been fixed.
    • The timeout function to wait for the dequeue buffer has been added in order to fix the dequeue deadlock.

Graphics Engine

New and changed features

  • DALi (3D UI Toolkit)
    • Actor and Renderer
      • RENDERING_BEHAVIOR property has been added to Renderer.
      • Support for multiple window rendering has been added.
      • Move semantics have been added to Property::Array, Property::Map, and Property::Value.
    • API
      • Deprecated API set in Tizen 3.0 has been removed.
    • Performance
      • Some classes have been refactored to reduce binary size.
    • Image
      • An API to get an original image size has been added.
    • Text
      • Support for circular text has been added.
      • Feature to support layout text and icons has been added.
      • Support for bitmap fonts has been added.
      • Some text render utils have been added.
    • Control and Visual
      • AnimatedVectorImageVisual has been added.
      • VisualEventSignal has been added to Control.
    • Input
      • DragAndDropDetector has been added.
    • NUI
      • JavaScript Interface API set has been added to WebView.
      • PluginParser has been added to support OpenGL or Vulkan backend switching.
      • ViewAdded event has been added to window.
      • LogicalKey and KeyPressed properties have been added to Key.
      • VectorAnimationView (DALi Lottie) has been added to NUI.
      • Interop classes are added to NUI.
      • Layout implementation has been moved from DALi to NUI.

Fixes

  • DALi (3D UI Toolkit)
    • Image
      • JPEG encoder bug has been fixed.
    • Text
      • Software italic and bold issues have been fixed.
      • Right-To-Left (RTL) behavior bug in Markup language has been fixed.
      • An incorrect ellipsis bug has been fixed.
    • Control and Visual
      • Resource leaks in layoutting have been fixed.
      • A ResourceReady signal bug has been fixed.
      • A RELOAD action bug of ImageVisual has been fixed.
      • A PRE_MULTIPLIED_ALPHA property bug of ImageView has been fixed.
    • NUI
      • SynchronouseLoading and OrientationCorrection bugs have been fixed when the Image property is set.
      • A crash has been fixed when reLayout is done by adding or removing child.
      • Null handle of Renderer return error has been fixed.
      • Crash of WatchApplication has been fixed.
      • Transition, DynamicResource, and Style related issues of NUI XAML have been fixed.

UI framework

New and changed features

  • EFL
    • Version 1.21 is upgraded to version 1.22.
    • Meson build system support has been added (beta).
    • Lottie animation viewer has been added.
    • Evas map quality has been improved.
  • Atk
    • Version 2.28.1 is upgraded to version 2.30.0.
  • At-spi2-core
    • Version 2.26.1 is upgraded to version 2.31.1.
  • At-spi2-atk
    • Version 2.26.1 is upgraded to version 2.30.0.
  • Fontconfig
    • Version 2.13.0 is upgraded to version 2.13.1.
  • Fribidi
    • Version 1.0.2 is upgraded to version 2.0.5.
  • Harfbuzz
    • Version 1.8.1 is upgraded to version 2.4.0.
  • rlottie
    • Lottie file support has been added.

Known Issues

  • Accessibility toolkit packages support meson build system only:
    • Atk, At-spi2-core, and At-spi2-atk
  • Elementary uses legacy focus policy rather than the recent focus manager for compatibility issue.

Interaction Framework

New and changed features

  • Multi-assistant framework
    • Tizen now supports multi-assistant framework that supports multiple assistants at the same time.
  • Speech recognition engine
    • Embedded speech recognition engine has been added as a Speech To Text (STT) engine. For supporting an environment without internet, you can now optionally use an embedded based speech recognition engine in your application.
  • Autofill framework
    • Autofill API set that allows you to automatically fill out commonly entered information has been added.
    • IME API set that gets the key code and the visibility state of a candidate has been added.

Multimedia framework

New and changed features

  • MediaTool
    • API set to support audio channel mask has been added.
  • Media Player
    • Audio offloading support has been added.
    • Some display type has been removed.
    • API set for progressive download has been removed.
    • The player_get_streaming_download_progress precondition has been extended.
    • The range of parameter values of buffering related function has been changed and the value of -1 has been allowed.
    • Support for controlling the audio pitch has been added.
  • Media Controller
    • Management of content season, episode, and resolution metadata has been added.
    • Support for getting and counting playlists has been updated.
    • Support for counting search conditions has been added.
  • Image Util
    • image_util_calculate_buffer_size() has been deprecated.
    • Sync transform API set (convert, crop, resize, and rotate) has been added.
  • Thumbnail Util
    • Support to extract thumbnails even if requested size exceeds the source size has been added.
  • Camera
    • Buffer sharing mechanism to improve buffer protection has been changed.
    • Support for user allocated buffer for zero copy preview has been added.
  • Recorder
    • Buffer sharing mechanism to improve buffer protection has been changed.
  • Audio IO
    • Support for applying VoIP latency in case of VoIP audio type has been added.
  • PulseAudio
    • Support for triggering audio ducking effect by recording stream has been added.
    • Support for applying volume type to loopback stream has been added.
    • Support for getting the pid of the latest stream has been added.
    • Support for individual volume has been added.
  • Audio HAL
    • API to set volume ratio to control H/W volume according to each stream type has been added.
  • C# API
    • Common
      • Deprecated (platform invoke) P/Invoke functions have been changed to recommended functions.
    • AudioManager
      • API to check whether any stream from the current AudioStreamPolicy is actually using the device has been added.
    • ImageUtil
      • API set to calculate buffer size has been deprecated.
    • MediaContent
      • API set to control storage information has been deprecated.
      • The possibility of MediaContent DB inconsistency has been removed.
    • MediaTool
      • API set to set max bps and duration of MediaTool has been added.
    • MediaPlayer
      • API set to control AudioPitch has been added.
      • The precondition of GetDownloadProgress API has been changed.
      • Description of Preparing state restriction has been added.
      • The range and default value related BufferingTime have been changed.
    • Metadata
      • API to set composer has been added.

Fixes

  • Media Content
    • media_info_insert_to_db() returns the updated media information. Earlier, this API returned the media information without verifying whether it was up-to-date.
    • media_face_create() support only for the images has been added.
  • Sound Manager
    • Timeout issue of acquiring or releasing focus in focus watch callback when the previous request is in progress has been fixed.
  • PulseAudio
    • Invalid device of virtual stream issue in case of device connection change has been fixed.
  • C# API
    • Camera
      • Block issue caused by calculating preview buffer size has been fixed.
    • MediaController
      • The playlist missing in P/Invoke issue has been fixed.
    • MediaPlayer
      • SetPlayPosition() block issue with MediaStreamSource has been fixed.
  • Multimedia Daemon
    • Murphy
      • The launching failure issue with the pid file has been fixed.
    • Mm-resource-manager
      • The issue of the GDBus method related with the USB detachable has been fixed.
    • Muse-server
      • The busy loop issue caused for high CPU usage has been fixed.

Network and Connectivity

New and changed features

  • User awareness framework
    • A framework for user detection based on multiple sensors has been added.
  • Bluetooth A2DP multipoint connection support
    • Advanced Audio Distribution Profile (A2DP) sink target can support up to two different source devices.
  • Wi-Fi band steering
    • Band steering mechanism between 2.4GHz and 5GHz of the same AP has been added.
  • API changes
    • Intelligent network monitoring
      • API to get network interface link information has been added.
      • API to test network connection status (availability of gateway and DNS server) has been added.
      • API to test reachability of HTTP server has been added.
    • Wi-Fi manager
      • API to get whether 5GHz band is supported has been added.
      • API set to get Extensible Authentication Protocol (EAP) anonymous identity has been added.
    • Bluetooth
      • Privilege level of out of band (OOB) data getter API has been changed.
    • Smart traffic control
      • API to clone and destroy statistics info handle has been added.
      • Legacy API to get statistics info asynchronously has been deprecated.
      • API to get all statistics info has been added.
      • Legacy API to get total statistics info has been deprecated.
    • curl version up (7.62.0)
    • C# API
      • BluetoothLeDevice API set getting the remote device information has been added.
      • Legacy C# Gatt API has been deprecated.
      • New BluetoothGattClient C# API has been added.
      • BluetoothLeDevice API set getting the remote device information has been deprecated.
      • Bluetooth - Wrong AcceptStateChangedEventArgs class property and DestroyServerSocket API has been deprecated.
      • Bluetooth - New SocketConnection class property has been added.
      • Bluetooth - API to destroy Gatt server has been added.
      • STC C# API has been added.
      • API to check Wi-Fi scan state has been added.
      • API to check cellular roaming state has been added.
      • Wi-Fi - Exceptions to provide accurate error information has been added.

Security

New and changed features

  • Security-manager
    • Smack rules will be loaded directly from security-manager DB. All rule files have been removed.
  • Privilege
    • The following privileges have been added:
      • autofillmanager, internal/buxton/systemsetting, filesystem.read, filesystem.write, windowsystem.admin, d2d.datasharing, d2d.remotelaunch
  • Privilege-info
    • New API has been added.
      • Getting several privilege information as list.

Service framework

Fixes

  • Account-Manager
    • Unwanted D-Bus API calls have been removed.
    • Memory leaks have been fixed.
    • Fix to remove provider information from global account db has been added.
  • Sync-Manager
    • Additional D-Bus error handling has been enabled.
    • Potential defects have been fixed.
  • Calendar-service
    • Support for calendar DB purge when a device is reset has been added.
    • Potential defects have been fixed.
  • Email-service
    • Potential defects have been fixed.
  • Message Service
    • Potential defects have been fixed.
  • Location Service
    • Potential defects have been fixed.
    • Deprecated capi-network-wifi dependency has been replaced.
  • Sensord
    • Potential defects have been fixed.
    • Timestamp data type issue has been fixed.
  • Phonenumber-Utils
    • Potential defects have been fixed.

Web framework

New and changed features

  • Web Engine
    • Web Engine Upgrade Framework has been added.
      • chromium-efl package can be upgraded with TPK, not whole image upgrade.
      • chromium-efl-squashfs package has been added to provide the preload web engine as a squashfs image file, not regular file.
      • chromium-efl squashfs image file has been compressed by about 60%.
      • chromium-efl, chromium-efl-update systemd services have been added for squashfs image mount.
      • chromium-efl-install systemd service has been added for tpk installation.
    • C# API
      • WebView
        • API set to resume or suspend has been added.
        • API set to handle scale, scroll, zoom, and orientation has been added.
        • API to load URL with given request date has been added.
        • API to find text in page has been added.
        • Events to handle policy decision have been added.
        • Event and delegate to handle context menu have been added.
      • BackForwardList
        • API set to handle back or forward list has been added.
      • Context
        • API to clear resource cache has been added.
      • ContextMenu
        • API set to handle context menu has been added.
      • PolicyDecision
        • API set to handle navigation policy decision has been added.
        • API set to handle response policy decision has been added.
        • API set to handle new window policy decision has been added.
      • Settings
        • API to set whether window can be opened by script has been added.
    • Autofill
      • Autofill feature that works with autofill framework has been added.
      • This feature automatically fills out a login form with appropriate data from autofill framework.
      • Supports default popups for authentication and accounts.
    • CSS Scroll Snap feature has been added.
    • IME support for NUI has been added.
  • Web Runtime
    • WRTjs (the new type of JavaScript-based WRT Framework) has been added.
    • WRTjs is based on the open source Electron project.
    • Compatibility with the legacy Tizen WRT Apps has been provided.
    • Compatibility with the existing Tizen API set has been provided.
    • Legacy WRT (xwalk-based runtime) has been deprecated.
  • Web application development environment for Tizen Platform has improved.
    • The new components of TAU like Dimmer, Graph, Coverflow, and i3d have been added for multi-devices or rich application authoring.
    • Two-way data binding of components feature has been added for multi-devices.
    • The key-navigation and TV landscape layout feature has been added.
    • Web SDK based on VSCode extension is provided.
    • The IntelliSense function for Tizen WebApp SDK has been enhanced.

Lightweight Web Solution

New and changed features

  • Security modules
    • Content Security Policy (CSP) has been added.
    • Same Origin Policy (SOP) has been added.
  • New backends
    • Support for Ecore_Wayland2 backend has been added.
    • Support for Evas_gl backend has been added.
  • JS ES6 Features
    • Arrow function has been added.
    • Proxy has been added.
    • Reflect has been added.
    • Built-in functions have been added.
  • Performance
    • Animation performance (transition) has been improved.
    • Type conversion performance in JS has been improved.

Fixes

  • Bug fixes
    • Many layout bugs, including flex layout have been fixed.
    • Memory leaks have been fixed.
    • Crashes have been fixed.

Tizen .NET

New and changed features

  • .NET Core (Runtime)
    • .NETCore has been upgraded from 2.1.4 to 3.0.0 preview 2.
  • Xamarin.Forms
    • Xamarin.Forms 3.6.0, which is latest stable version is supported.
  • Tizen.CircularUI
    • Wearable UI extension (Tizen.Wearable.CircularUI) 1.2.0 is supported.
      • MediaPlayer and GoogleMapView are newly added.
  • Tizen.Appium
    • Tizen.Appium, which is a service library for supporting UI automation test, 1.0.0 preview version is supported.
    • New project template (UI Test App) has been added.
  • TizenFX
    • API set of storage ID and storage type has been deprecated.
    • Precondition of streaming API set to support more precise control has been changed.
    • Buffer size calculating API of ImageUtil has been deprecated.
    • New MediaPlayer API set to control an audio pitch has been added.
    • The behavior of MediaContent API to avoid inconsistency between DB and file system has been changed.
    • BluetoothLeDevice API set to get the remote device information has been deprecated.
    • New BluetoothLeDevice API set to get the remote device information has been added.
    • New Multimedia API set to support new content metadata has been added.
    • Gatt API set has been deprecated.
    • The range of parameter for buffering API of MediaPlayer and descriptions has been modified.
    • New PackageManager API set to get additional package information has been added.
    • New PackageManager API set to get additional archive information has been added.
    • New EventManager API set for application events has been added.
    • New Applications API set to get application’s component type and category information has been added.
    • New feature key for external storage has been added.
    • New Bluetooth API set for handling Gatt client has been added.
    • New AudioManager API set for the stream information has been added.
    • New WebView API set to support more features has been added.
    • New Sensor API set to cover all the sensors has been added.
    • New Network API set to support Smart Traffic Control (STC) has been added.
    • New Bluetooth API set to destroy Gatt server has been added.
    • New SystemSettings API set for AccessibilityGrayscale and AccessibilityNegativeColor has been added.
    • NUI API set for text related properties has been deprecated.
    • New VoiceControlManager to support Voice Control Manager has been added.
    • New InputMethod API set to handle input has been added.
    • New DevicePolicyManager to support managing device policies has been added.
    • New MediaContent API set for composer property has been added.
    • New Bluetooth API set to add new Client property has been added.
    • New Alarm API set for WeekFlag, Period, and ScheduledDate has been added.
    • New Wi-Fi API set to provide accurate error information has been added.
    • New WidgetControl API set for MainAppId, PackageId properties has been added.
    • New DataControl API set for client appid and provider id has been added.
    • New MediaTool API set for the VideoMediaFormat has been added.
    • New AppControl API set to support sending the launch request asynchronously has been added.
    • New InputMethod API set to update the input panel event has been added.
    • New Application API set to add CurrentDeviceOrientation property for CoreUIApplication has been added.

Known Issues

  • Xamarin.Forms
    • For more information on the list of limitations, see here.

Toolchain

New and changed features

  • ASan heap profile flags have been added to libsanitizer.
  • ASan __libc_siglongjmp/__libc_longjmp interceptors have been added.
  • Sanitizer feature has been improved.
    • asan-runtime-env package has been added to pre-installation list of mic.
    • ASan report description on stack traces has been improved.

Fixes

  • CVE patchset (CVE-2017-16997, CVE-2018-6485, CVE-2018-19591, CVE-2019-9169, CVE-2019-6488, and CVE-2019-7309) for glibc have been applied.
  • Bugfix patchset (#21081 and #22442) on glibc have been back-ported.

Experimental

New and changed features

  • nnfw: Neural Network Runtime (Experimental Release)

    • Support for new architecture design named ‘neurun’ for CPU/GPU mixed inference has been added.
    • Support for mixed acceleration for InceptionV3 and MobileNet model by manual planning has been added.
    • Android NN API compatible (Supports major operations selected carefully.)
  • nnstreamer: Neural Network Streamer

    • An efficient and flexible stream pipeline to neural networks has been added.
    • Support for a neural network model as a media filter and converter has been added.
    • Support for multiple neural network models in a single stream pipeline instance has been added.
    • Support for multiple sources and stream paths for neural network models has been added.
    • Support for RNN and CNN model architectures with Tensorflow, Tensorflow-lite has been added.
    • Neural network API based on NNStreamer to manage pipelines has been added.
    • A plugin to support Linux IIO based on sensors has been added.