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All notable changes to this package will be documented in this file.

The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).

## [1.1.0] - 2021-07-23

### Fixed

* Fixed x axis display on frame time graph when capture doesn't match Unity Profiler contents.
* Fixed selected marker name to be updated even when Profiler fails to sync selection.

## [1.1.0-pre.2] - 2021-04-16

### Changed

* Ensured forward compilation compatibility of ProfilerWindow API usage.

### Fixed

* Fixed Frame View Dropdown not showing time in Microseconds when Microseconds are set as display unit type.
* Fixed ArgurmentOutOfRange exception on 'Clear Selection' usage in Frame Control.
* Improved loading and analysis progressbar progression to be monotonously incremental and reflect actual stage correctly.
* Fixed the marked frame time overlay so that it works on loaded data (case 1327888).
* Fixed keyboard frame controls so that they do not play an error sound (case 1327931).
* Fixed RangeSettings.IsEqual so that it doesn't throw an exception when there is a different dataView.selectedIndices.

## [1.1.0-pre.1] - 2021-02-22

### Changed

* Used the new `EditorWindow.docked` API on 2020.1 and later to replace reflection usage.  
* Made the **Thread Selection** window a utility window.
* Added a progress bar, which shows data loading progress.
* **All** no longer collapses in the thread view because it was superfluous and held no discernible purpose.
* Added information to the frame summary tooltip to show the selected ranges.
* Selecting the **Frame**, **Thread**, and **Marker Summary** title labels now also toggles their foldout.
* Timings in tooltips now display up to seven digits with a unit type change if below 0.01. This ensures the value is readable and correct.
* Frame Time Graph selection modifiers (Next, Previous, Grow, Shrink etc.) now work when multiple regions are selected.
* Added new (hidden) columns to the comparison tab for **Percentage Diff** for each of the diff types
* The **Depth Slice** drop-down is searchable and scrollable for Unity versions 2019.1 or newer.
* Improved tooltips on the top 10 marker duration time.

### Fixed

* The Thread Summary and Marker Summary views now correctly clip their contents when scrolling on 2018.4 and below.
* Marker detail bars are no longer drawn on top of the list's headers when scrolling.
* Fixed an issue with saving when there is no data loaded, which previously caused a null reference exception.
* **Add to** and **Remove from** name filter is no longer case sensitive.
* Optimized frame selection with **Show Filtered Threads** option enabled and **All Threads** turned on.
* Fixed an issue where the **Upper Quartile of frame time** option did not fit in the Graph scale dropdown in **Thread Summary**.
* Improved the error message when the Profile Analyzer fails to load a .data file.
* Fixed an issue where changing the depth slice and right-clicking on a marker caused an error in 2018.4 and earlier.
* Fixed the automatic increase of an unsaved file counter in Single view.
* Improved the Marker Column mode so that it is separate for Single and Compare view.
* The tooltip of the frame graph's scale control is now clearer and matches the documentation.
* Fixed an issue where a frame of '0' was incorrectly shown in the **Marker Summary** when the marker had a duration of 0ms.
* Fixed an issue with **Selection Synchronization** between Profiler Window and Profile Analyzer in Unity 2021.1 or newer.
* Added a log message when the loading or analysis fails due to domain reload.
* Fixed an issue with the table context menu, where it was not disabled during data processing.
* Fixed an issue where exporting a marker table that contained markers with commas or quotation marks to the .csv format would break the format.

## [1.0.3] - 2020-07-31

### Fixes

* Fixed warnings in code so package will not break Unity projects that have warnings as errors enabled.

## [1.0.2] - 2020-06-30

### Fixes

* Fixed issue where second profiler instance could appear after entering play mode when profile analyzer is open
* Improved performance of pulling data from Unity profiler
* Pull Data button now enabled when profiler is recording. This will stop the recording for the duration of the action of pulling of data.
* Fixed Median sorting in Comparison mode when value missing from one data set, Missing values always sorted before 0 values.

## [1.0.1] - 2020-06-16

### Fixes

* Fixed "median marker time (in currently selected frames)" in tooltip for 'Top 10 markers'. 
* Fixed profile analyzer 5.6 support
* Fixed minor visual artefact when no marker selection 
* Fixed issue where frame time graph tooltips were not always appearing when hovering
* Marker Summary - Count Values are now correctly sorted in descending order
* Hiding selected marker in comparison view if lacking 2 valid data sets
* Corrected bucketing of histogram data for counts. Display was fractionally incorrect
* Fixed sorting of frames (by time/count) to be more stable by providing a secondary sort by frame index
* Marker table export now orders by descending median time (to match the default UI sort option).

## [1.0.0] - 2020-06-02

### Changes
* Export window updates. Includes tooltips, better on screen positioning. 
  * If opened and then new data set loaded. New data set now correctly exported.
* Frame Time graph now shows border when selected
  * Keys 1 and 2 select the first or second frame time graph to take keyboard focus
* Frame Time graph now shows highlighted when all frames selected, un highlighted when no frames selected.

### Fixes
* Improved histogram display when 0 range.
* Widened frame index buttons when frame value large
* 'total number of markers' value in Compare tab now corrected to use unfiltered count
* Improved error messages when jumpping to frame when profiler data doesn't match profile analyzer data

## [0.7.0-preview.4] - 2020-05-29

### Changes
* Thread selection window 
  * Now only applys thread selection changes when clicking 'Apply'. Closing the window no longer applies the changes automatically.
  * Now contains buttons to Reset to previous thread selection, Select just "Main Thread" or "Common" set selection (Main, Render and Jobs).
  * Apply button is now greyed out while analysis is running.
  * Group column enabled and used to split off group from thread name, default to by group first
  * Re sorted when selection changed (so states sort correctly when sorting by state)
  * Sort order preserved when buttons pressed and re-opening
  * Fixed sort order for threads (10 after 9 rather than between 1 and 2)
* Marker sorting
  * Marker table column filtering now preserved when clicking Analyse or Compare or tab switching.
  * Compare table bars to now sort by bar size (=delta value) rather than the left/right value.
  * Marker table bars now start sorted by descending size which is more common usage.
* Added depths columns into the comparison table and a 'Depth' option in the Marker Columns dropdown
* Added thread count into thread summary area
* Added threads column into marker tables (threads the marker occurs on)
* Thread summary now contains thread count, unique count per data set and selection count
* Frame time area now allows adding to the selection by holding CTRL (or COMMAND on Mac)
* Frame range value now includes tooltip to give more detail about the selection
* Improved text string for depth filter status on the top marker display

### Fixes
* Detected and ignored invalid frame markers (duration < 0)
* Fixed/Removed warnings on loading data in compare view when selection active.
* Disabled "Analyze" button while analysis is already running
* Fixed Marker Summary 'Top' dropdown selection text width
* Fixed thread selection window sort order
* Fixed tooltip on 'count' bars to be scalar value (not a time unit)
* Clamped selected region shown when zoomed in on frame time graph
* Frame Control value no longer overlaps with drop-down list when Units are set to Microseconds
* Fixed thread count text when analysis completes after swapping single/compare tabs during analysis
* Fixed Frame View's tooltip "total time" when rapidly changing frames 
* Fixed overlapping text when selecting single frame when zoomed in
* Histogram frame count now lists "1 frame" when single frame rather than "1 frames"
* Mode: text in top bar now same size as rest of text.
* Clear Selection in marker right click context menu now only shown if a selection has been made
* Cut/Paste now supported in the include/exclude marker name filter
* Frame Time graph frame selection grow/shrink now keeps current selection in paired graph
* Fixed frame start/end display for "Select Frames that contain this marker (within whole data set)"
* Corrected bucketing of histogram data. Display was fractionally incorrect
* Histogram now shows non zero height bar if an item in the bucket
* Fixed right click "Remove from Included Filters" when using (quoted) markers with spaces in names
* Fixed data auto-load from Single to Compare tab when capturing after entering playmode
* Fixed auto right calculation to use most common difference
* Fixed auto right display to show + or - and not both at the same time
* Fixed infinite analysis loop when auto right calculation was clamping to max depth in the other data set
* Auto right now clamps to min/max depth rather than reverting to 'all'
* Fixed thread count bug when using comparison mode and loading data on top of existing data
* Selected marker refocused in marker list when table is regenerated (e.g. when selecting all frames containing the marker).
* Column by which the Marker Details is sorted by is now maintained  when entering Play Mode
* Updated frame time graph context menu to make hotkeys more consistent with out Unity UI layouts
* Percent symbol no longer cut off in Mean frame contribution when the value is 100% 
* Frame time graph now scales up when zooming when comparing data with different frame amounts
* Changing 'Auto Right' tick box no longer causes re-analysis if depth settings unchanged
* Most tooltips now show values without rounding, so its more obvious when low values give non zero deltas. 
* Fixed individual max tooltip
* Disabled 'Pull data' button when Unity profiler is still capturing data (as the pull would not complete).
* Fixed right frame index in exported comparison CSV file.
* Frame selection no longer changed when moving the cursor in the Filter text box with arrow keys
* Help text now continues to be shown after entering play mode, while no data set loaded/pulled
* Fixed frame index button heights when alternative (Verdana) font used.
* Fixed cache styles to be updated when changing theme (to fix text colour in filters area)
* Single click (without drag) now always single frame rather than the group of frames in the pixel wide area.
* Split frame range into start and end rows to display more information when values large 
* Marker Summary comparison times are now limited to 5 digits to prevent text clipping off

### Enhancements
* Optimised filter processing for more responsive scrolling when a large marker filter list is supplied.
* Optimised thread name summary display

## [0.6.0-preview.1] - 2020-02-04
* Fixed a crash with the thread selection API in Unity 2020.1 
* Fixed marker and thread scroll bars
* Added extra documentation for public API elements

## [0.5.0-preview.2] - 2019-09-19
* Minor documentation update to fix the changelog formatting

## [0.5.0-preview.1] - 2019-09-18

### Features 
* Added self time option to display 'exclusive' time of markers excluding time in children.
* Added ability to filter to a parent marker to reduce the marker list to a part of the tree.
* Added option to filter the column list to set groups (including custom).
* Added column for total marker time over the frame
* Added copy to clipboard on table entries
* Added export option for marker table 

### Enhancements
* Improved Top N Markers graph to make it clearer this is for the median frames of each data set.
* Added thread count display (next to marker count).
* Added frame index to more tooltips to improve clarity of the data values (marker table, frame and marker summary).
* Added additional visual bars for total and count diffs. Added abs count column.
* Improved performance of adding to include/exclude filter via the right click menu by only refreshing the table (and no longer rerunning full analysis)
* Improved performance for scrolling by caching strings for profile table and comparison table.
* Added unaccounted time into the Top N Markers graph when total is less than the median frame time
* Added grow/shrink selection hot keys and menu options
* Added tooltip info for frame time duration for selection range

### Fixes
* Fixed issue with combined marker count when data sets have some unique markers.
* Fixed bars less than 1 pixel wide to clamp to min width of 1.
* Fixed help text for new editor skin in 2019.3
* Fixed bug with calculation of the auto right depth offset (see with 2017.4/2018.4 comparisons)
* Improved the frame offset times in the frame time and comparison frame time exports
* Fixed bug with missing first frame of data / frame offset incorrect when reloading .pdata

## [0.4.0-preview.5] - 2019-04-02

* Updated package.json file to indicate this package is valid for all unity versions

## [0.4.0-preview.4] - 2019-04-02

* Fixed issue in 2017.4 with unsupported analytics API and a GUI style.

## [0.4.0-preview.3] - 2019-04-01

* First public release of Profile Analyzer. 

## [0.1.0-preview] - 2018-12-07

* This is the first beta release of Profile Analyzer

The profile analyzer tool augments the standard Unity Profiler. It provides multi frame analysis of the profiling data.
 