Tizen 5.5 Public M1 Release Notes

Release Date: May. 31, 2019

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:

    • Added system-settings key value

      • SYSTEM_SETTINGS_KEY_ACCESSIBILITY_GRAYSCALE
      • SYSTEM_SETTINGS_KEY_ACCESSIBILITY_NEGATIVE_COLOR
    • Added features for accessibility

      • http://tizen.org/feature/accessibility.grayscale
      • http://tizen.org/feature/accessibility.negative

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.