devtools 0.9.3-dev.1

A suite of web-based performance tooling for Dart and Flutter.

0.9.2

• Fix a bug causing extra evaluation for primitive values
• Fix an issue handling google3: paths #2288
• Update dependencies to use package:vm_service 5.0.0+1

0.9.1

• Add opt-in for feature usage reporting
• Add Code Size Debugging Tools to DevTools
• Use MIME types for http requests in the Network profiler

0.9.0

• Add search functionality to Timeline flame chart #2164
• Add socket profiling to Network page #2191
• Support multiple memory snapshots and support automatic snapshots #2105
• Add memory events pane and support for tracking # allocations of each class without a full snapshot #2166
• Replace heatmap with treemap on the memory page #2131
• Have the cmd-p keybinding toggle the libraries debugger pane #2187
• Add support for non-primitive map keys #2154
• Add tooltips to list items in the Debugger Libraries pane #2167

0.8.0+1

• Build with fix for canvas kit crasher

0.8.0

• Ship Flutter Web version of DevTools by default
• Update package:vm_service dependency to ^4.1.0

0.2.5 2020-05-07

• Persist connected app URI when switching to Flutter web version of DevTools #1933
• Fix CPU profiler bug where we were unintentionally mutating data #1923
• Add "Remove all breakpoints" functionality to debugger #1914

0.2.4+1 2020-05-05

• Memory Snapshot #1885
• Added new debugger page.
• Added new Network page.
• Add selected row to TreeTableState #1795
• Add an info / about dialog #1772
• Add banner message warnings and errors #1764
• Implement scroll-to-zoom and alt+scroll for flame charts #1747
• Add sorting functionality to flutter tables #1738
• Enable toggling http logging from Timeline. #1688
• Merge frame-based timeline and full timeline #1712
• Stop skipping duplicate trace events in full timeline processor. #1704
• Fix bug causing import to fail when DevTools is not connected to an app #1703
• Update package:vm_service dependency to ^4.0.0

0.2.3 2020-03-03

• Disable Q1 DevTools survey - postponing until Q2 #1695
• Fix async timeline event rendering bug #1690
• Update package:vm_service dependency to ^3.0.0 #1696

0.2.2 2020-02-28

• Remove cpu profiling timeout [#1683]((https://github.com/flutter/devtools/pull/1683)
• Prep for Q1 DevTools survey #1574
• Use ExtentDelegateListView for flame chart rows #1676
• Make the layout explorer more null safe #1681
• Store survey data by quarter tags #1660
• Don't check for debugDidSendFirstFrameEvent when adding service extensions for Dart VM apps #1670
• Restructure HTTP code for shared use with Timeline and check http logging availability #1668
• Debugger file picker #1652
• Port CPU bottom up table to Flutter #1659
• Add extent_delegate_list supporting fast lists where each element has a known custom extent #1646
• Workaround VM Regression where first heap sample's rss value is null #1662
• Remove the dependency on package:recase #1656
• Polish SafeAccess extension methods to use getters and support Iterable #1647
• Updated mp_chart to 0.1.7 #1654
• Introduce a view for showing the source of a script in Flutter with the monospaced font #1649
• Load imported timeline files #1644
• Introduce an interface for the notification service for use in controller logic #1645
• Fix null error in timeline page #1641
• Stop disposing Notifications and Controllers from import_export #1640
• Remove dependency on package:flutter_widgets #1636
• Created CLI to write Flutter application memory profile statistics to a JSON file #1628
• Improve the error reporting on connection issues #1635
• Add import / export functionality and support drag-and-drop #1631
• Fix timeline bug throwing error for empty recording #1630
• Make the rollback help text consistent with the other commands #1634
• Introduce a rollback command that pulls an old devtools build and preps it for release #1617
• Add zoomable timeline grid and timestamps to flame chart #1624
• Use registerServiceExtension method instead of eval directly in layout explorer #1531
• Factor zoom level into flame chart node selection logic #1623
• Update to support devtools_server #1622
• Flame chart zoom and navigation with WASD keys #1611
• Updated to use package:devtools_shared #1620)
• Initial devtools_shared package #1619
• Remove --trace-systrace flag from MacOs and Linux configs #1614

0.1.15 2020-02-07

• Fix a stack overflow error that was caused by a change in Dart's RTI implementation #1615.
• Hide annotations that Flutter re-exports #1606
• Update package:devtools_server dependency to 0.1.13 or newer #1603
• Update package:sse dependency to 3.1.2 or newer #1601

0.1.14 2020-02-03

• Added collecting of Android Debug Bridge (adb) Java memory information see PR.
• Added multiple charts to memory profiling (Dart VM and Java memory).
• Added display interval e.g., 1 minute, 5 minutes, 10 minutes for memory charts.
• More succinct memory detail marker (pop-up) for data points of a particular timestamp.
• Graceful resize buttons and drop-downs in memory profile for narrower windows.
• Updated exported JSON format both Dart VM and ADB memory information.
• Added timeline slider, to memory profile, for temporal navigation in charts.
• Added ‘Clear’ button, to memory profile, throws away all collected live data.
• Fix a number of charting bugs NaN, INF problems, axis scales, etc.
• Support saving and loading memory profile data.
• Add Track Widget Builds toggle to Timeline.
• Fix issues with async trace event rendering in Timeline.
• Add timing and id information in Timeline event summary.
• Improve hint text on connect screen.
• Update package:vm_service dependency to ^2.2.0.

0.1.13 - 2019-12-10

• Fix crash opening macOS desktop apps in DevTools.
• Enable layout explorer.
• Hide legacy page content in the flutter version of DevTools.
• Fix offline import bug in Timeline.
• Use published version of mp_chart package.

0.1.12 - 2019-12-06

• Enable testing the alpha version of DevTools written in Flutter. Click the "beaker" icon in the upper-right to launch DevTools in Flutter.
• Fix a regression that showed an inaccurate error on the connect screen.
• Fix bug causing async events with the same name to overlap each other in the Timeline.
• Include previously omitted args in Timeline event summary.
• Include "connected events" in the Timeline event summary, which are created via the dart:developer TimelineTask api.
• Reset debugger search bar on hot reload.
• Check for a debug service extension instead of using eval to distinguish between debug and profile builds.
• Depend on the latest package:sse.

0.1.11 - 2019-11-08

• Add full timeline mode with support for async and recorded tracing.
• Add event summary section that shows metadata for non-ui events on the Timeline page.
• Enable full timeline for Dart CLI applications.
• Fix a message manager bug.
• Fix a bug with processing CPU profile responses.
• Reduce race conditions in integration tests.

0.1.10 - 2019-10-18

• Change wording of DevTools survey prompt.

0.1.9 - 2019-10-17

• Launched the Q3 DevTools Survey.
• Bug fixes related to layouts and logging.
• Update to use latest devtools_server 0.1.12.
• Remove usage of browser LocalStorage, previously used to store the user's answer to collect or not collect Analytics.
• Analytic's properties (firstRun, enabled) are now stored in local file ~/.devtools controlled by the devtools_server.
• Now devtools_app will request and set property values, in ~/.devtools, via HTTP requests to the devtools_server.
• Store survey properties on whether the user has answered or dismissed a survey in the ~/.devtools file too.

0.1.8 - 2019-10-01

• Query a flutter isolate for the target frame rate (e.g. 60FPS vs 120FPS). Respect this value in the Timeline.
• Polish import / export flow for Timeline.
• Depend on latest package:devtools_server.

0.1.7 - 2019-09-09

• Fix bug with profile mode detection.
• Enable expand all / collapse to selected functionality in the inspector (available in Flutter versions 1.10.1 or later).
• Fix analytics bug for apps running in profile mode.
• Fix bug in memory experiment handling.
• Hide Dart VM flags when the connected app is not running on the Dart VM (web apps).
• Former "Settings" screen is now the "Info" screen - updated icon accordingly.
• Various CSS fixes.
• Code health improvements.

0.1.6 - 2019-09-04

• Add a page to show Flutter version and Dart VM flags details.
• Add settings dialog to memory page that supports filtering snapshots and enabling experiments.
• Various css fixes.
• CSS polish for cursors, hover, and misc.
• Use frame time in CPU profile unavailable message.
• Fixes to our splitter control.
• Rev to the latest version of package:vm_service.
• Remove the dependency on package:mockito.
• Remove the dependency on package:rxdart.
• Support sse and sses schemes for connection with a running app.
• Address an npe in the memory page.
• Polish button collapsing for small screen widths.
• Adjust some of the logging flutter.error presentation.
• Fix thread name bug.
• Support Ansi color codes in logging views.
• Add keyboard navigation to the inspector tree view.
• Enable structured errors by default.
• Fix NPE in the Debugger.
• Improve testing on Windows.

0.1.5 - 2019-08-05

• Support expanding or collapsing all values in the Call Tree and Bottom Up views (parts of the CPU profiler).
• Support touchscreen scrolling and selection in flame charts.
• Display structured error messages in the Logging view when "show structured errors" is enabled.
• Search and filter dialogs are now case-insensitive.
• Link to Dart DevTools documentation from connect screen.
• Disable unsupported DevTools pages for Dart web apps.
• Debugger dark mode improvements.

0.1.4 - 2019-07-19

• Add Performance page. This has a traditional CPU profiler for Dart applications.
• Add ability to specify the profile granularity for the CPU profiler.
• Bug fixes for DevTools tables, memory page, and cpu profiler.

0.1.3 - 2019-07-11

• Link to new flutter.dev hosted DevTools documentation.
• Inspector UI improvements.

0.1.2 - 2019-07-01

• Add Call Tree and Bottom Up views to CPU profiler.
• Pre-fetch CPU profiles so that we have profiling information for every frame in the timeline.
• Trim Mixins from class name reporting in the CPU profiler.
• Add searching for a particular class from all active classes in a Snapshot. After a snapshot, use the search button, located to left of snapshot button (or the shortcut CTRL+f ), to find and select the class in the classes list.
• Add ability to find which class and field hold a reference to the current instance. Hovering on an instance's allocation icon (right-most side of the instance). Clicking on a class/field entry in the hover card will locate that particular class instance that has a reference to the original instance being hovered.
• Expose hover card navigation via a memory navigation history areas (group of links below the classes/instances lists).
• Allow DevTools feedback to be submitted when DevTools is not connected to an app.
• Support URL encoded urls in the connection dialog.
• Add error handling for analytics.
• Cleanup warning message presentation.
• Bug fixes and improvements.

0.1.1 - 2019-05-30

• Make timeline snapshot format compatible with trace viewers such as chrome://tracing.
• Add ability to import timeline snapshots via drag-and-drop.
• Memory instance viewer handles all InstanceKind lists.
• CPU profiler bug fixes and improvements.

0.1.0 - 2019-05-02

• Expose functionality to export timeline trace and CPU profiles.
• Add "Clear" button to the timeline page.
• CPU profiler bug fixes and improvements.
• Inspector polish bug fixes. Handle very deep inspector trees and only show expand-collapse arrows on tree nodes where needed.
• Fix case where error messages remained on the startup screen after the error had been fixed.
• Add ability to inspect an instance of a memory object in the memory profiler page after a snapshot of active memory objects.
• First time DevTools is launched, prompt with an opt-in dialog to report DevTools usage statistics and crash reports of DevTools to Google.

0.0.19 - 2019-05-01

• Update DevTools server to better handle failures when launching browsers.
• Support additional formats for VM service uris.
• Link to documentation from --track-widget-creation warning in the Inspector.

0.0.18 - 2019-04-30

• Fix release bug (0.0.17-dev.1 did not include build folder).
• Add CPU profiler (preview) to timeline page.
• CPU flame chart UI improvements and bug fixes.
• Bug fixes for DevTools on Windows.
• DevTools server released with support for launching DevTools in Chrome.
• Dark mode improvements.

0.0.16 - 2019-04-17

• Reduce the minimum Dart SDK requirements for activating DevTools to cover Flutter v1.2.1 (Dart v2.1)

0.0.15 - 2019-04-16

• Warn users when they should be using a profile build of their application instead of a debug build.
• Warn users using Microsoft browsers (IE and Edge) that they should be using Chrome to run DevTools.
• Dark mode improvements.
• Open scripts in the debugger using ctrl + o.

0.0.14 - 2019-03-26

• Dark mode is ready to use, add &theme=dark at the end of the URI used to open the DevTool in Chrome. We look forward to your feedback.
• Added event timeline to memory profiler to track DevTool's Snapshot and Reset events.
• Timeline CPU renamed to UI, janky defined as UI duration + GPU duration > 16 ms.
• Timeline frame chart removed 8 ms highwater line, only 16 ms highwater line, display 2 traces ui/gpu (instead of 4). Janky frames will have a red glow.
• Flame chart colors use a different set of palettes and timeline is sticky.
• Warn users when they are using an unsupported browser.
• Properly disable features that aren't supported for the connected application.
• Fix screens for different widths.

0.0.13 - 2019-03-15

• Dark mode, still being polished, is available. Add &theme=dark at the end of URI used to open DevTools in the Chrome browser.

Memory

• Added showing GCs on the timeline and leak detection.

Timeline

• Fix bugs when events were received out of order.

0.0.1

• initial (pre-release) release