February 28th (#2285)

Author: jasonLaster

docs/updates/february-28th.md

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+### February 28th
+
+#### Overview
+
+Last week was nothing short or epic. 
+
+1. We made tons of progress on function search, text search, and editor preview 
+2. We squashed mountains of UI and perf bugs 
+3. We added great features to the scopes pane
+4. We focused on integration testing and general QA.
+
+There's no way we could have gotten this done without the help of many people: [@rrandom], [@arthur801031], [@bomsy], [@wldcordeiro], [@jryans], [@irfanhudda], [@soapdog], [@amitzur], [@juliandescottes], [@Garbee], [@zystvan], [@najamkhn], [@jcreighton], [@jbhoosreddy], [@tromey], [@ryanjduffy], [@sole], [@lasfin]!
+
+#### UI
+
+We fixed UI bugs ranging from themes, to accessibility, to RTL. It was an unbelievable team effort.
+
+* [Fix tab close button positioning][pr-12] - [@wldcordeiro]
+* [Issue 1946: adding Conditional Breakpoint guillemet][pr-19] - [@soapdog]
+* [Restore tooltips for debug buttons][pr-20] - [@irfanhudda]
+* [Expand source directories on click][pr-23] - [@wldcordeiro]
+* [Make the command bar sticky.][pr-35] - [@Garbee]
+* [Align Text Vertically in Watch Expressions Panel Section][pr-36] - [@zystvan]
+* [fix frame location color change on hover][pr-43] - [@jcreighton]
+* [use scrollIntoView to improve result scrolling (#2106)][pr-44] - [@jbhoosreddy]
+* [Refactor Searching UI into smaller components and clean up function search UI][pr-45] - [@wldcordeiro]
+* [Add close button to conditional breakpoint panel][pr-49] - [@ryanjduffy]
+* [Style the searchbar height so the result list doesn't go on forever][pr-52] - [@wldcordeiro]
+* [Fix icons dark theme][pr-54] - [@jcreighton]
+* [add chrome scrolling polyfill][pr-59] - [@jasonLaster]
+* [(Accessibility) select frame on enter][pr-66] - [@lasfin]
+* [Polish ui catchall][pr-67] - [@jasonLaster]
+* [refactor why-paused component to use a react class and props][pr-9] - [@jasonLaster]
+
+
+#### Bug Fixes
+
+Thanks [@juliandescottes], [@bomsy], [@irfanhudda] for coming in and fixing some pretty embarressing bugs!
+
+* [Fix source navigation, when switching from vertical to horizontal layouunlink][pr-32] - [@juliandescottes]
+* [Fix watch expression editing][pr-28] - [@bomsy]
+* [Address perf issues with source maps][pr-42] - [@jasonLaster]
+* [Fix sources highlight][pr-53] - [@irfanhudda]
+* [Speed up opening the editor][pr-68] - [@jasonLaster]
+
+#### Text Search
+
+Text search `cmd+f` is a surprisingly challenging feature that we've been working on since September.
+This week, we nailed down some of the most complicated behavior around iterating through results, especially when cursor state changes.
+
+* [Improve text search result count][pr-0] - [@rrandom]
+* [EditorSearch index fix][pr-11] - [@jasonLaster]
+* [Fix search selection][pr-13] - [@jasonLaster]
+* [Add a search bottom bar and move the search modifiers to the bottom bar.][pr-21] - [@wldcordeiro]
+* [Fix whole word search modifier clearing search and count showing as NaN][pr-63] - [@wldcordeiro]
+* [Fix modifier buttons in chrome][pr-64] - [@wldcordeiro]
+* [Don't run text search when function search is enabled.][pr-69] - [@wldcordeiro]
+
+#### Function Search
+
+Function Search was a stretch goal for our release going into the week.
+Thanks to [babel.js](https://babeljs.io/) having a fantastic API and the heroic effort of [@clarkbw] and [@wldcordeiro]
+on the UI we'll be able to launch a really beautiful feature.
+
+* [use a unique id to show multiple matches in function search][pr-2] - [@clarkbw]
+* [implement the function search compact design][pr-5] - [@clarkbw]
+* [Update parser][pr-24] - [@jasonLaster]
+* [Move the function search into the editor search bar][pr-27] [2][pr-30]  - [@wldcordeiro]
+* [Disable the search modifiers when function search is enabled.][pr-60] - [@wldcordeiro]
+* [Fix search results height in chrome.][pr-65] - [@wldcordeiro]
+* [Polish search toggle UX][pr-70] - [@wldcordeiro]
+* [Add summary messages for the function searching][pr-71] - [@wldcordeiro]
+
+#### Scopes
+
+The scopes component is one of the most used features of a Debugger and also introduces some of the most complexity.
+This week we looked at showing promises, large arrrays, sparse arrays.
+[@Bomsy] also tackled keeping variables expanded as the debugger steps through the code. This was a difficulty `hard` bug!
+
+* [Persist scopes as you step][pr-6] - [@bomsy]
+* [Add buckets for objects and keys][pr-22] - [@jasonLaster]
+* [Show promises special properties (status, reason)][pr-51] - [@arthur801031]
+* [Show falsey return values][pr-58] - [@tromey]
+
+#### Editor Preview
+
+Editor Preview is the one new **must** have feature of the release.
+We were blocked on adding the feature, while we waited for parser support. This week we built a fantastic V1, which supports hovering on local variables and a really nice custom preview for functions and objects. In the case of functions, we also provide a link to the function definition.
+
+* [Editor popover][pr-29] - [@amitzur]
+* [Add Popup Preview (V1)][pr-40] - [@jasonLaster]
+* [Preview objects, functions, and reps][pr-57] - [@jasonLaster]
+* [Show editor preview on hover][pr-61] - [@bomsy]
+
+
+#### Infrastructure
+
+* [Add flow to Scopes.js, WhyPaused.js, SourcesTree.js,...][pr-1] - [@arthur801031]
+* [fix the invalid source texts in the failing tests][pr-4] - [@bomsy]
+* [add yarn run links script][pr-8] - [@clarkbw]
+* [Add flow to Autocomplete.js, Close.js, PaneToggle.js,...][pr-10] - [@arthur801031]
+* [update lint script to better capture directory layout][pr-14] - [@clarkbw]
+* [Document Firefox WebSocket workflow][pr-15] - [@jryans]
+* [Replace custom utilities with lodash utils where possible][pr-25] - [@clarkbw]
+* [Fix the nom command to remove yarn.lock file][pr-41] - [@najamkhn]
+
+#### Miscellaneous
+
+* [cleanup l10n accesskey properties][pr-55] - [@jasonLaster]
+* [Remove required status from  prop in searchbar and fix flow issues.][pr-48] - [@wldcordeiro]
+
+#### Testing
+
+* [add Tests for Return values][pr-33] - [@jasonLaster]
+* [Additional integration tests][pr-18] - [@jasonLaster]
+* [fix failing tests][pr-3] - [@jasonLaster]
+* [Add Expressions test][pr-37] - [@bomsy]
+* [fix console link test][pr-38] - [@jasonLaster]
+
+#### Docs
+
+* [(WIP) integration test docs][pr-16] - [@jasonLaster]
+* [clean up testing docs][pr-34] - [@jasonLaster]
+* [Add some maintainer docs][pr-47] - [@jasonLaster]
+
+#### Screenshots
+
+| Persist Scopes |
+|----------------|
+|![gif-1]|
+
+| Editor Preview |
+|----------------|
+|![gif-2]|
+
+| Text Search |
+|-------------|
+|![gif-3]!
+
+
+[gif-1]:https://cloud.githubusercontent.com/assets/792924/23188424/948ff100-f886-11e6-9420-bab20d56d289.gif
+[gif-2]:https://cloud.githubusercontent.com/assets/792924/23385436/b5e22ae2-fd47-11e6-9a55-e26365b3849e.gif
+[gif-3]:https://camo.githubusercontent.com/c528900a4ca7a817e34cd43bd0d8a9f44c4c3a6e/687474703a2f2f672e7265636f726469742e636f2f494d385370645a784d722e676966
+
+[pr-0]:https://github.com/devtools-html/debugger.html/pull/2005
+[pr-1]:https://github.com/devtools-html/debugger.html/pull/2048
+[pr-2]:https://github.com/devtools-html/debugger.html/pull/2058
+[pr-3]:https://github.com/devtools-html/debugger.html/pull/2061
+[pr-4]:https://github.com/devtools-html/debugger.html/pull/2062
+[pr-5]:https://github.com/devtools-html/debugger.html/pull/2047
+[pr-6]:https://github.com/devtools-html/debugger.html/pull/2064
+[pr-7]:https://github.com/devtools-html/debugger.html/pull/2074
+[pr-8]:https://github.com/devtools-html/debugger.html/pull/2073
+[pr-9]:https://github.com/devtools-html/debugger.html/pull/2071
+[pr-10]:https://github.com/devtools-html/debugger.html/pull/2069
+[pr-11]:https://github.com/devtools-html/debugger.html/pull/2067
+[pr-12]:https://github.com/devtools-html/debugger.html/pull/2043
+[pr-13]:https://github.com/devtools-html/debugger.html/pull/2068
+[pr-14]:https://github.com/devtools-html/debugger.html/pull/2086
+[pr-15]:https://github.com/devtools-html/debugger.html/pull/2111
+[pr-16]:https://github.com/devtools-html/debugger.html/pull/2095
+[pr-17]:https://github.com/devtools-html/debugger.html/pull/2110
+[pr-18]:https://github.com/devtools-html/debugger.html/pull/2089
+[pr-19]:https://github.com/devtools-html/debugger.html/pull/2088
+[pr-20]:https://github.com/devtools-html/debugger.html/pull/2099
+[pr-21]:https://github.com/devtools-html/debugger.html/pull/2119
+[pr-22]:https://github.com/devtools-html/debugger.html/pull/2026
+[pr-23]:https://github.com/devtools-html/debugger.html/pull/2087
+[pr-24]:https://github.com/devtools-html/debugger.html/pull/2092
+[pr-25]:https://github.com/devtools-html/debugger.html/pull/2114
+[pr-26]:https://github.com/devtools-html/debugger.html/pull/2063
+[pr-27]:https://github.com/devtools-html/debugger.html/pull/2121
+[pr-28]:https://github.com/devtools-html/debugger.html/pull/2118
+[pr-29]:https://github.com/devtools-html/debugger.html/pull/2090
+[pr-30]:https://github.com/devtools-html/debugger.html/pull/2139
+[pr-31]:https://github.com/devtools-html/debugger.html/pull/2138
+[pr-32]:https://github.com/devtools-html/debugger.html/pull/2129
+[pr-33]:https://github.com/devtools-html/debugger.html/pull/2133
+[pr-34]:https://github.com/devtools-html/debugger.html/pull/2136
+[pr-35]:https://github.com/devtools-html/debugger.html/pull/2128
+[pr-36]:https://github.com/devtools-html/debugger.html/pull/2142
+[pr-37]:https://github.com/devtools-html/debugger.html/pull/2145
+[pr-38]:https://github.com/devtools-html/debugger.html/pull/2147
+[pr-39]:https://github.com/devtools-html/debugger.html/pull/2168
+[pr-40]:https://github.com/devtools-html/debugger.html/pull/2153
+[pr-41]:https://github.com/devtools-html/debugger.html/pull/2152
+[pr-42]:https://github.com/devtools-html/debugger.html/pull/2140
+[pr-43]:https://github.com/devtools-html/debugger.html/pull/2155
+[pr-44]:https://github.com/devtools-html/debugger.html/pull/2166
+[pr-45]:https://github.com/devtools-html/debugger.html/pull/2150
+[pr-46]:https://github.com/devtools-html/debugger.html/pull/2183
+[pr-47]:https://github.com/devtools-html/debugger.html/pull/2181
+[pr-48]:https://github.com/devtools-html/debugger.html/pull/2188
+[pr-49]:https://github.com/devtools-html/debugger.html/pull/2179
+[pr-50]:https://github.com/devtools-html/debugger.html/pull/2189
+[pr-51]:https://github.com/devtools-html/debugger.html/pull/2146
+[pr-52]:https://github.com/devtools-html/debugger.html/pull/2170
+[pr-53]:https://github.com/devtools-html/debugger.html/pull/2176
+[pr-54]:https://github.com/devtools-html/debugger.html/pull/2174
+[pr-55]:https://github.com/devtools-html/debugger.html/pull/2162
+[pr-56]:https://github.com/devtools-html/debugger.html/pull/2212
+[pr-57]:https://github.com/devtools-html/debugger.html/pull/2187
+[pr-58]:https://github.com/devtools-html/debugger.html/pull/2216
+[pr-59]:https://github.com/devtools-html/debugger.html/pull/2202
+[pr-60]:https://github.com/devtools-html/debugger.html/pull/2198
+[pr-61]:https://github.com/devtools-html/debugger.html/pull/2191
+[pr-62]:https://github.com/devtools-html/debugger.html/pull/2201
+[pr-63]:https://github.com/devtools-html/debugger.html/pull/2200
+[pr-64]:https://github.com/devtools-html/debugger.html/pull/2197
+[pr-65]:https://github.com/devtools-html/debugger.html/pull/2210
+[pr-66]:https://github.com/devtools-html/debugger.html/pull/2182
+[pr-67]:https://github.com/devtools-html/debugger.html/pull/2209
+[pr-68]:https://github.com/devtools-html/debugger.html/pull/2190
+[pr-69]:https://github.com/devtools-html/debugger.html/pull/2192
+[pr-70]:https://github.com/devtools-html/debugger.html/pull/2211
+[pr-71]:https://github.com/devtools-html/debugger.html/pull/2194
+[@rrandom]:http://github.com/rrandom
+[@arthur801031]:http://github.com/arthur801031
+[@clarkbw]:http://github.com/clarkbw
+[@jasonLaster]:http://github.com/jasonLaster
+[@bomsy]:http://github.com/bomsy
+[@wldcordeiro]:http://github.com/wldcordeiro
+[@jryans]:http://github.com/jryans
+[@irfanhudda]:http://github.com/irfanhudda
+[@soapdog]:http://github.com/soapdog
+[@amitzur]:http://github.com/amitzur
+[@juliandescottes]:http://github.com/juliandescottes
+[@Garbee]:http://github.com/Garbee
+[@zystvan]:http://github.com/zystvan
+[@najamkhn]:http://github.com/najamkhn
+[@jcreighton]:http://github.com/jcreighton
+[@jbhoosreddy]:http://github.com/jbhoosreddy
+[@tromey]:http://github.com/tromey
+[@ryanjduffy]:http://github.com/ryanjduffy
+[@sole]:http://github.com/sole
+[@lasfin]:http://github.com/lasfin