Tizen 4.0 M1

BY Dong-hyun Lee,

Release Notes

System (Kernel and System F/W)

 New and Changed Features

  • System F/W

    • The PASS (Power Aware System Service) daemon has been added for HW (CPU, GPU, and memory) resource management.
    • Open source has been upgraded and changed:
      • Systemd version has been upgraded from 219 to 231.
      • Libgudev package has been detached from Systemd.
      • Initrd package has been added.
      • Libconfig has been upgraded to 1.6.
      • Libusb has been upgraded to 1.0.21.
    • The resource management daemon has been changed to make resourced lighter for IoT devices.
    • New APIs have been added:
      • Dlog C# internal APIs
      • Getting physical memory size API

Fixes

  • System F/W

    • Many Dbus/Kdbus bugs have been fixed.
    • The systemd-journald log starvation bug has been fixed.
    • The dlogutil dump mode (nonblack) bug has been fixed.

 

System (Base)

 New and Changed Features

  • Base Library

    • Open source libraries have been upgraded:

      • Sqlite (3.14.2)
      • leveldb (1.20)
      • libzypp (16.3.1)
      • libzypp-binding (0.7.3)
      • zypper (1.13.14)
      • libsolv (0.6.23)
      • re2 (20161101)
      • re2c (0.16)
      • pbzip2 (1.1.13)
      • json-glib (1.2.0)
      • jsoncpp (1.7.7)
      • icu (57.1)
    • New open source packages have been added:
      • python-mako (1.0.6)
      • myton-mock (2.0.0)
      • python-funcsigs (1.0.2)
      • python-argparse(1.4.0)
      • python-linecache2 (1.0.0)
      • python-traceback2 (1.4.0)
      • python-unittest2 (1.1.0)
      • python-pbr (2.0.0)
      • python-six (1.10.0)
      • python-setuptools (34.3.3)
      • python-packaging (16.8)
      • python-MarkupSafe (1.0)
      • python-pyparsing (2.2.0)
      • python-appdir (1.4.0)

Fixes

  • Upstream/file

    • upstream/file rolled back the JPEG data file to support the old JPEG file conversion.
  • Upstream/boost
    • The build option has been modified to reduce the build time (approximately from 30 to 10 minutes).
  • capi-base-utils                                                                                                                                                                           
    • i18nutil has been added to generate an i18n report for all locales supported in Tizen.

 

Application FW

 New and Changed Features

  • Application Core/Launcher

    • The appcore libraries have been rewritten to support all application models with the same code base.
    • The appcore simple plugin feature has been added.
    • The rua API has been improved to support an update change callback.
  • Package Manager
    • A new app update flag API has been added.
    • A new package archive API has been added.
    • The pkgmgr database-related code has been rewritten to make it more efficient.
  • Notification
    • The bigpicture UX feature has been added.
  • Widget Framework
    • The screen connector library has been improved to support screen capture and multiple widget viewer in a more structured way.
    • A new API for getting the widget setup app ID has been added.
    • A new API for getting the watch setup app ID has been added.
  • Application IPC
    • The message port registration event callback feature has been added.
    • data-control trusted communication has been added.

 

Window System

 New and Changed Features

  • Extended Wayland Protocols

    • tizen_screen_rotation allows the display server to let a client ignore the output transform.
    • tizen_screenshooter is extended to support the auto rotation for the screen capture.
    • tizen_video_object is extended to control the video object’s visibility in regard to the topmost window.
    • tizen_remote_surface has a new mouse in/out event and render request for the provider.
    • tizen_launch has been added to apply the client window’s effect type according to the launch state.
    • tizen_visibility has added a pre_unobscured state for the window’s visibility.
    • tizen_screen_rotation has been added to support screen rotation.
  • Enlightenment Wayland Display Server

    • Mouse in/out event creation and render request on provider demand are supported for a remote surface client.
    • A transition effect according to the launching client window’s type is applied using tizen_launch.
    • A tws_dummy_extension handler for tizen-ws-shell extensibility has been added.
    • Support for the screen rotation has been added.
    • A commit is performed for each tdm layer instead of committing a TDM output.
    • The debugging tools are extended for:
      • Plane state
      • Pending commit
  • wayland-tbm
    • Support has been added for checking the hardware compositing state of the client for front buffer rendering.
  • libpepper-evdev
    • The libpepper-evdev library reads events from input device nodes, such as /dev/input/eventX, and creates pepper input events.
    • The library currently only processes a key event and creates a pepper keyboard event.
  • libpepper-keyrouter
    • The libpepper-keyrouter library initializes the keyrouter in a pepper server and deals with keyrouter protocol requests from clients.
    • The library gets a key grab request from a client and sends 1 or more grabbed keys to the clients through the wl_keyboard protocol interface.
  • Tizen ws Shell
    • A new tzsh_quickpanel_extension_get API has been added for extensibility.
  • efl-util
    • Input generation with a specified device has been added:

      • A new efl_util_input_initialize_generator_with_name() API has been added.
      • The existing input generation API provides event generation with a predefined device name, such as "Input Generator".
      • The new API provides input generation with the device name provided from a client.
      • When a specific device name is needed, the new API can be utilized to simulate the device completely.
    • Support has been added for auto-rotating the screen capture image:
      • efl_util_screenshot_set_auto_rotation()/
        efl_util_screenshot_get_auto_rotation()
  • Tizen HAL
    • Tizen display HAL

      • Support has been added for the layer commit to ensure an output commit per each vblank:

        • “TDM_COMMIT_PER_VBLANK” environment
      • Support has been added for controlling the client vblank fps in runtime.
      • Support has been added for the protocol trace between the TDM server and client.
    • Tizen buffer HAL
      • Support has been added for the setting/getting function for the DRM file descriptor to share it between TDM and TBM.
      • New error enumeration has been added for the TBM surface queue:
        • TBM_SURFACE_QUEUE_ERROR_ALREADY_EXIST
        • TBM_SURFACE_QUEUE_ERROR_UNKNOWN_SURFACE
      • Support has been added for the can-dequeue callback to let the user know when a TBM surface queue buffer can be dequeued.
      • Support has been added for buffering the TBM surface queue trace when the state is changed.
      • ​Support has been added for the capture of the TBM surface to a file.
    • Tizen EGL porting layer
      • New APIs have been added to wayland-egl to support the prerotation feature:

        • wl_egl_window_set_rotation
        • wl_egl_window_get_capabilities
      • The behavior associated with the tpl_surface_set_frontbuffer_mode API has been changed to proper front buffer rendering.

Fixes

  • Tizen HAL

    • The TDM vblank wrong behavior has been fixed.
    • The TDM buffer management functionality, which caused screen tearing, has been fixed.
    • The TDM thread deadlock bug has been fixed.
  • Enlightenment Wayland Display Server
    • The bug about the screen flickering when hardware compositing mode is changed has been fixed.
    • The window rotation abnormal behavior has been fixed.
    • The floating window’s move/resize abnormal behavior has been fixed.
    • The notification window’s stack mismatch has been fixed.
    • The visibility disorder due to the wrong calculation of the window region during the client launch has been fixed.
    • The synchronization between a server and client in the ‘copy and paste’ feature has been fixed.
    • The move/resize bug in the system cursor image has been fixed.

 

Graphics Engine

New and Changed Features

  • DALi (3D UI Toolkit)

    • Actor and Stage

      • A top margin size has been added to Stage.
      • A sibling order property has been added to Actor.
      • An opacity property has been added to Actor.
      • Support for the enumeration setting in various properties has been added to Actor.
      • A property to allow an actor to ignore the anchor point for its position has been added to Actor.
      • New Raise and Lower APIs have been added to Actor.
      • A visibility change signal has been added to Actor.
      • Layer::TREE_DEPTH_MULTIPLIER has be deprecated.
    • Property
      • Chaining support for Property::Array has been added.
      • Properties have been changed to update a value synchronously.
    • Image
      • Support for the GIF image has been added.
    • Window
      • Support for focus control has been added.
      • Support for visibility control has been added.
      • Support for the auxiliary hint has been added.
      • Support for the notification level, screen mode, and brightness has been added.
    • Key event and input
      • Support for the device name and device class of the key event has been added.
      • Various new APIs have been added to IMF Manager.
    • Control and Visual
      • TextVisual has been added.
      • AnimatedImageVisual has been added.
      • Support for stylable transitions has been added.
      • Memory consumption of ImageVisual has been reduced.
      • Position and size properties have been added to Visual.
      • The Button control has been changed to use Visuals.
      • Support for the ItemView layout customization through properties has been added.
      • Tooltip functionality has been added to Control.
      • Support for focus control of the nested TableView control has been added.
      • Support for the vertical scroll animation on text input has been added.
      • Keyboard navigation properties have been added to Control.
      • A border size property has been added to ImageVisual.
      • Support for a custom keyboard focus algorithm has been added.
      • A property to hide input text has been added to TextField.
      • Support for asynchronous remote image loading has been added to ImageVisual.
      • The key event propagation rule has been changed.
      • A property to set a pixel size has been added to text controls.
      • A property to enable an ellipsis has been added to TextLabel.
      • Properties to control text auto-scrolling have been added to TextLabel.
    • 3D rendering and animation
      • Support for the animation of Renderer properties when offstage has been added.
    • NUI (C# interface)
      • DALi was originally developed in C++, then subsequently developed in parallel in C#. A separate Tizen NUI branch was created from this C# DALi branch.
      • More than 400 easy-to-use C# properties are newly added and bound to DALi native properties.
      • C# events are implemented and bound by the native signal/slot mechanism, which enables event chaining through the “+=” operator.
      • DisposeQueue has been added to release automatically unmanaged resources bound to DALi native objects.
      • The key navigation rule is enhanced by FocusManager and CustomKeyAlgorithmInterface.
      • New high-level classes, which provide useful functionalities and easy interfacing to users, have been added. For example, Color, Size2D, and RelativeVector.
      • The Animation APIs are revised to improve usability.
      • NUIApplication has been added to inherit from the UICoreApplication class, which provides the Tizen C# application main loop and life-cycle event handling scheme.
      • The VisualView high-level class has been added to improve the DALi native Visual usability.
      • The overall class hierarchy and structure have been changed compared to native DALi.
      • Actor has been obsoleted and merged into View, which is to be the basis of NUI.
      • Stage has been removed and merged into Window, where only Layer can be added.
      • Main classes:
        • Animation: Can be used to animate the properties of any number of objects, typically View.
        • FlexContainer: Provides a more efficient way to lay out, align, and distribute space among items in the container.
        • FocusManager: Provides the functionality of handling key navigation and maintaining the 2-dimensional key focus chain.
        • Layer: Provides a mechanism for overlaying View groups on top of each other.
        • View: Is the primary object with which NUI applications interact. UI components can be built by combining multiple Views.
        • CustomView: Is a base class for the user to customize UI components.
        • ImageView: Used to display an image resource.
        • TextEditor: Provides a multi-line editable text editor.
        • PushButton: Changes its appearance according to its input events.
        • Window: Is used internally for drawing and managing Layers.
  • Evas Render Engine
    • Evas GL Render threading

      • Evas GL Render threading has been added and is on by default.
    • TBM surface ROI mode
      • The adjusting ROI mode for the TBM surface has been changed from auto  to users.
    • EvasGL
      • OpenGL® ES 3.2

        • Support for OpenGL® ES 3.2 has been added.
        • OpenGL® ES 3.2 wrapper functions have been added in Evas_GL.h.
        • EVAS_GL_DEBUG for creating debug eglContext has been added to Evas_GL_Context_Version.
    • SDL
      • Support for the 32-bit depth window has been added.

Fixes

  • DALi

    • The hit test has been fixed to include clipping actors as well as their children.
    • The bug in texture where Upload without parameters was incorrectly using the Texture size rather than the PixelData size has been fixed.
    • The bugs in TextureSet have been fixed.
    • The target value bug of the animation only set on Animation::Play() has been fixed.
    • Inconsistency of the scene graph and render items has been fixed.
    • The mismatch between the GetTargetSize method and the Size property of Actor has been fixed.
    • The bug that caused a crash when the key is up on a Text control has been fixed.
    • The full progress image is now shown when 100%. The bug has been fixed.
  • Evas Render Engine Enhancement
    • stride_get has now been implemented for the TBM surface in the Evas GL Engine.
    • The bug of the rotated image in an Evas object image has been fixed.
    • The memory leak in the Evas object image’s rotation function has been fixed.
    • The partial rendering buf in the TBM backend has been fixed.
    • The bug that caused smooth rendering about GL_TEXTURE_EXTERNAL_OES to not work has been fixed.
    • The missed macro of GLES 3.1 has been fixed.
    • The memory leak of various data (internal data, FD, Wayland buffer) in Ecore Evas extern has been fixed.

Known Issues

  • EvasGL

    • When MSAA is used, depth/stencil buffer is not created.
    • In EvasGL 3.2, context with robustness is not supported yet, because no drivers support this feature in Tizen devices. When driver support becomes available, this feature is added in EvasGL.

 

UI Framework

New and Changed Features

  • EFL

    • UI control and theme has been changed for Tizen 4.0 UX (TV).
    • Package configuration has been changed:
      • A big package (ecore) has been divided into several smaller packages (ecore-audio, ecore-avahi, ecore-buffer, ecore-con, ecore-core, ecore-drm, ecore-evas, ecore-fb, ecore-file, ecore-imf, ecore-input, ecore-ipc, ecore-wayland).
      • The unified devel package is generated regardless of the Tizen profile.
    • edbus has been changed to support dbus only.
    • Test application and examples are removed from the binary image.
    • A source repository path has been changed:
      • From profile/PROFILE/platform/core/uifw/efl-ext to platform/core/uifw/efl-ext
  • Voice Control
    • A new automatic voice setting API for 14 widgets has been added to vc-elm (automatic voice-enabled widgets: Button, Check, Ctx-Popup, Entry, Fastscroll, Gengrid, Genlist,  Hoversel, List, Popup, Radio, Slider, Spinner, Toolbar).
    • The voice browsing feature has been added for Web applications.

Fixes

  • Many bugs have been fixed.

    • An exception handling code has been added.
    • Memory leaks have been fixed.
    • Broken link in doc has been fixed.

Known Issues

  • Accessibility

    • ScreenReader functionality has not been fully tested.
  • Clipboard
    • CBHM (ClipBoard History Manager) has not been fully tested.
  • View manager
    • View manager has not been fully tested.
  • Customization API
    • In wearable profile, the theme is not ready for customization.
  • Focused UI has not been fully tested.
  • UI mirroring has not been fully tested.
  • Tizen 4.0 UX is not finalized yet (UI control and theme can change later).

 

Multimedia FW

 New and Changed Features

  • Recorder

    • APIs for getting muxed stream data have been added.
  • Media Content
    • A new API for getting video rotation information has been added.
    • A new API for getting/setting the bookmark name has been added.
    • APIs for updating file metadata (such as title, album, artist, and genre) have been deprecated.
    • The API for getting the storage name has been deprecated.
    • The cloud-related code has been deprecated.
  • Thumbnail Utility
    • A new error type has been added.
  • Open Source Upgrade
    • Tiff version has been upgraded from 4.0.6 to 4.0.7.
  • Player
    • APIs for progressive download have been deprecated.
    • The display type has been replaced with a new value.
    • New error codes have been added.
  • Audio
    • The SoundServer WAV handling logic has been improved by replacing the legacy parser and libtremo with libsndfile.
  • MediaTool
    • A new media format has been added.
    • A new API for setting extra data has been added.

 

Network & Connectivity

 New and Changed Features

  • Data Network

    • New features and APIs have been added:

      • In mobile, wearable, and TV profiles, a new connection API for getting the DHCP server address has been added.
      • In mobile, wearable, and TV profiles, the enum for the pdn type has been deprecated.
      • In mobile, wearable, and TV profiles, connection APIs for adding/removing a routing table have been added.
      • In the TV profile, connection APIs for attaching/detaching an Ethernet cable have been deprecated/added.
      • In mobile, wearable, and TV profiles, APIs for getting/setting the DNS config type have been added.
      • In mobile, wearable, and TV profiles, connection and wifi-manager APIs for getting/setting the prefix length have been added.
      • In mobile, wearable, and TV profiles, a new connection and wifi-manager API for getting multiple ipv6 addresses has been added.
      • In mobile, wearable, and TV profiles, a new wifi-manager API for getting multiple ipv6 addresses has been added.
      • In mobile, wearable, and TV profiles, a new wifi-manager API for connecting a hidden AP has been added.
      • In mobile, wearable, and TV profiles, a new wifi-manager API for getting the disconnect reason has been added.
      • In mobile, wearable, and TV profiles, wifi-manager APIs for connecting/canceling WPS-PIN/PBC without ssid have been added.
      • In mobile, wearable, and TV profiles, wifi-manager APIs for connecting/discovering TDLS without ssid have been added.
      • In mobile, wearable, and TV profiles, a new wifi-manager API for switching TDLS’s channel has been added.
      • In mobile, wearable, and TV profiles, wifi-manager APIs for getting the DHCP address have been added.
      • In mobile, wearable, and TV profiles, wifi-manager APIs for getting the scan status have been added.
      • In mobile and wearable profiles, the ASP (Application Service Platform) feature support has been added.
      • In mobile, wearable, and TV profiles, the IPv6 tethering feature support has been added.
      • In mobile, wearable, and TV profiles, tethering APIs for getting/setting IPv6 tethering have been added.
      • In the mobile profile, the default VPN (IPsec) feature support has been added.
      • In mobile and wearable profiles, the wifi-direct tethering feature support has been added.
      • In mobile and wearable profiles, the STC (Smart Traffic Control) feature support has been added.
    • Major open source upgrades and changes:
      • Curl has been upgraded from 7.40 to 7.53 for stability.
  • Telephony
    • In mobile, wearable, and TV profiles, the telephony manager plugin has been added.
    • In mobile, wearable, and TV profiles, the feature-based handling support has been added.
    • In mobile, wearable, and TV profiles, SQLite3 insertion operations for the packet service plugin have been improved.
    • In mobile and wearable profiles, telephony popup plugins have been added.
    • In mobile and wearable profiles, a new API for network signal strength with dBm getter has been added.
    • In mobile and wearable profiles, a new API for modem power status event register has been added.
    • In mobile and wearable profiles, LTE attach apn logic support has been added.
    • In the wearable profile, the call manager library support has been added.
    • In the wearable profile, the standalone mode telephony framework support has been added.
  • Connectivity
    • New features and APIs have been added:

      •  In mobile and wearable profiles, support for OMAPI 3.2 has been added.
    • Major open source upgrade and change has been made.
  • Bluetooth
    • New features and APIs have been added:

      •  In mobile, wearable, and TV profiles, IPSP (Internet Protocol Support Profile) APIs have been added.
      • In mobile, wearable, and TV profiles, GATT MTU Exchange APIs have been added.
      • In mobile, wearable, and TV profiles, LE Scan filtering APIs have been added.
    • Major open source upgrades and changes:
      • Bluez has been upgraded from 5.37 to 5.43.
  • IoTCon
    • Dependency with system-settings has been removed.

Fixes

  • Memory leak on the MTP daemon has been fixed.
  • Memory leak on the connman and net-config has been fixed.
  • Memory leak on the libnet-client and wifi-manager has been fixed.
  • Memory leak on the IotCon has been fixed.
  • Sample code bugs in the IoTCon document have been fixed.

 

Security

 New and Changed Features

  • Device Encryption / Secure Storage

    • Device encryption:

      • Internal storage encryption has been added.
      • External storage encryption has been added.
    • Secure erase has been added.
  • Trusted Execution Environment
    • A new C# TEE Client API has been added:

      • This API only works on devices supporting TEE.
  • App-defined Privilege
    • The ways to define and declare an app-defined privilege have been added.
  • Privilege List
    • In mobile and wearable profiles, the following privilege has been added:

      • Native

        • zigbee / zigbee.admin
    • In mobile and wearable profiles, the following privilege has been removed:
      • Web

        • nfc.admin
    • In mobile, wearable, and TV profiles, the following privileges have been added:
      • C#

        • tee.client
      • Web
        • apphistory.read

 

Service Framework

 New and Changed Features

  • Sensor

    • Sensor URIs for existing sensors have been defined.
    • A new API for getting sensor handles with their URIs has been added.
    • A new API that allows applications to define their own sensors and publish data through the defined sensors has been added.
  • PIMS
    • Calendar

      • In the TV profile, Calendar Service has been added.
      • New APIs for event aggregation have been added.
  • Convergence
    • FIDO

      • The FIDO Platform ASM module has been added, supporting pluggable FIDO authenticators. Both Bound and Roaming type (Connectivity type: BT) are supported.
      • A FIDO platform authenticator has been added based on auth-fw.
        Note: The authenticator is not FIDO-certified and does not work for commercial FIDO servers.
    • Push
      • A service app checking routine has been added.
      • Install/uninstall for multiuser has been added.
      • Delivery of push messages when the application is in freeze state has been added.
    • Account Manager
      • Notification for deletions by package name has been added (in mobile and wearable profiles).
      • An "ADD button" string has been added in My-account setting application (in the wearable profile).
      • An accounts view for showing registered account providers has been added (in the wearable profile).
    • Sync Manager
      • Application enable/disable has been added (in mobile and wearable profiles).

Fixes

  • Convergence

    • Push

      • The bug about push_request_unread_notification has been fixed.
      • The bug causing a crash when there is no record in the reg table has been fixed.
      • Wrong notification posting has been fixed.
      • Lazy mount dependency has been removed.
    • Account Manager
      • The conf name in the service file for CapabilityBoundingSet has been fixed (in mobile and wearable profiles).
      • The Global DB path for the owner user has been fixed (in mobile and wearable profiles).
      • Timing for drawing the main UI has been fixed (in the wearable profile).
    • Sync Manager
      • The application control for sync-service has been changed to aul (in mobile and wearable profiles).
      • The runtime profile build dependency has been removed (in mobile and wearable profiles).

 

Web Framework

 New and Changed Features

  • HTML5/W3C APIs

    • Open source chromium M56 version has been applied for Tizen 4.0 web browser and web application runtime engine. Below HTML5/W3C standard feature/APIs have been applied.
    • Shadow DOM v1
      • A method has been added for combining multiple DOM trees into a single hierarchy and determining how these trees interact with each other within a document, thus enabling better composition of the DOM.
    • Pointer Events
      • A unified pointer input API has been added, subsuming MouseEvent and TouchEvents.
    • WebGL 2
      • OpenGL® ES 3.0-level rendering capabilities are provided through the <canvas> element.
    • Credential Management API
      • A programmatic interface is provided to the browser's credential manager.
    • ECMAScript6 classes
      • A much simpler and clearer syntax is provided to create objects and deal with inheritance.
    • ECMAScript7 Async and Await
      • The language-level model for writing asynchronous code in ECMAScript has been improved.

 

Tizen.NET

New and Changed Features

  • Xamarin.Forms

    • Xamarin.Forms version 2.3.5 is supported and New .NET APIs have been added:

      • Background
      • CalendarView
      • RadioButton
      • DateTimeView
      • ContextPopup
      • Dialog
      • GridView
  • C# 3D UI Framework
    • A new UI framework has been added.
  • C# Device API
    • New APIs have been added based on Native APIs:

      • account-svc
      • bundle
      • capi-appfw-application
      • capi-appfw-app-manager
      • capi-appfw-service-application
      • capi-message-port
      • badge
      • capi-content-media-content
      • capi-system-device
      • web-url-download
      • feedback
      • capi-geofence-manager
      • capi-location-manager
      • Media Controller
      • capi-media-vision
      • capi-content-mime-type
      • capi-media-audio-io
      • capi-media-codec
      • capi-media-metadata-extractor
      • capi-media-player
      • capi-media-sound-manager
      • capi-media-tool
      • capi-media-recorder
      • NFC
      • Smartcard
      • capi-network-connection
      • capi-network-wifi
      • capi-network-wifimanager
      • notification
      • liboauth2
      • capi-appfw-package-manager
      • privilege-info
      • Push
      • key-manager
      • capi-sensor
      • stt
      • capi-system-info
      • libstorage
      • system-settings
      • capi-telephony
      • ttrace
      • tts
      • appcore-widget
      • widget_service
      • capi-network-wifi-direct
      • capi-system-runtime-info
      • Bluetooth
      • capi-media-camera
      • capi-maps-service
      • capi-media-screen-mirroring
      • capi-media-streamrecorder
      • widget_viewer_evas
      • capi-ui-inputmethod-manager
      • capi-media-thumbnail-util
      • capi-media-metadata-editor
      • capi-data-control
      • capi-media-tone-player
      • capi-media-wav-player
      • capi-messaging-messages
      • capi-messaging-email
      • fido-client
      • Alarm
      • capi-tee
      • capi-media-radio
      • voice-control

 

SCM

New and Changed Features

  • Build Environment

  • gcc
    • Version has been upgraded from 4.9.2 to 6.2.1 (Linaro '16 Dec version).
    • Language C++11 is fully supported.
    • The C++ runtime library (libstdc++) uses a new ABI by default. A Dual ABI is provided by the library.
    • Sanitizer features have been improved for arm and aarch64.
    • fortran and libfortran have been added.
    • License files have been added to all subcomponents.
    • 64-bit libraries are provided on a 32-bit build environment.
    • The libcc1 build has been enabled.
  • glibc
    • Version has been upgraded from 2.20 to 2.24 (FSF '16 Aug version).
    • ‘readdir_r’ has been deprecated since 2.24.
    • License files have been added to all subcomponents.
    • 64-bit libraries are provided on a 32-bit build environment.
  • Upgraded Toolchain-related Packages
    • Binutils: From 2.25 to 2.27 (FSF '16 Aug version)
    • Gmp: From 6.0.0 to 6.1.1
    • Mpc: From 1.0 to 1.0.3
    • Mpfr: From 3.1.2 to 3.1.5
    • Isl: From 0.12.2 to 0.17.1

Fixes

  • gcc

    • The [asan/lsan] possible deadlock in dynamic ASan runtime thread initialization has been fixed.
  • glibc
    • The fts_set redirect bug has been fixed.
  • binutils
    • A backport fix for PR 17704 from upstream has been implemented.