# RC Build (Pre-Release Version) Update Log
The pre-release version incorporates features with significant changes, and shows an acceptable stability in internal trials
# 1.02.1905151 Windows 64, Windows 32, and macOS
# 2019.05.15
AAdded the feature to display a warning when ext.json exists in a non-third-party Mini Program.UOptimized the menu bar to remove the options of Move the Simulator Left/Right under Interface. Feedback DetailsFFixed the inability to call the sync API when the network simulation was offline.FFixed the inability to select the panel port No. in the security settings.FFixed the incorrect value returned by getMenuButtonBoundingClientRect. Feedback DetailsFFixed the problem that Weixin Work Mini Program mode appeared in third-party Mini Programs.FFixed the failure to display debugger button. Feedback DetailsFFixed the abnormal display when zooming in the simulator.FFixed the problem that an error occurred when only code compression or obfuscation was enabled. Feedback DetailsFFixed plug-ins to solve the problem that the screen went white when tapping the md documentation for preview.FFixed the inability to select code on the redirected page. Feedback DetailsFFixed the problem that an error occurred when importing a project after webpage debugging.FFixed the failure to display the wxml panel style file path.FFixed the problem that an error occurred in the debugger when switching the network simulation.FFixed the loss of background image in the installation package in macOs.FFixed the problem that the ignore feature of enhanced compilation did not take effect during preview and upload.FFixed the unwanted uploading of code when extAppid was invalid.FFixed the automatic addition of unnecessary wxss files in the DevTools. Feedback DetailsFFixed the failure of the DevTools to work in case of upload exception.
# 2019.05.08 Update Description
AAdded built-in ES6+ to enhance language escape capability. DetailsAAdded Task Notification Center.AAdded a new commandcleanAppCachein the console.AAdded version number recommendation upon upload.AAdded quick start templates for Cloud Base and cloud call.AAdded a plug-in to act as the protection mechanism upon DevTools withdrawal.AAdded the prompt that Media Asset Management will no longer be maintained.AAdded experience rating where the verification rule of "compatibility with iPhone X" is supported.AAdded sitemap linked with Weixin DevTools to allow the console to display whether the current page is indexed. DetailsAAdded uploadWithSourceMap settings in project.config.json. DetailsAAdded the feature to enable code protection by default.AAdded general settings.AAdded the option to set whether a project is opened by default when the DevTools is launched.AAddedcover-viewsupport for the Mini Program.AAddedcover-viewsupport in full screen.AAdded a plug-in to restore the sourcemap of developers.AAdded network to display images in the Mini Program.AAdded a quick update mechanism for nightly.UOptimized the task progress box and notification center to allow the text to be copied.UOptimized the layout to remove the withdraw button on the interface of the pop-up simulator/debugger (withdrawal means closing the window).UOptimized the simulator to reduce the minimum margin.UOptimized the display of the task status bar.FFixed the unwanted output of stack after packoption.ignore was configured. Feedback DetailsFFixed the problem thatfs.appendFiledid not support passing in ArrayBuffer.FFixed the problem that no error message was returned after 10 failed login attempts due to timeout when mp.weixin.qq.com host had been configured.FFixed the problem that sitemap.json in the Mini Program project would be overwritten if sitemapLocation was not specified in app.json.FFixed the problem that error "appLaunch with an already exist webviewId" occurred occasionally.FFixed the problem that wx.showKeyboard flashed across the Mini Game simulator when it popped up.FFixed the loss of history caches of "Project Remarks" in the submitted versions. Feedback DetailsFFixed the problem that the memory displayed was 0 when showSystemInfo was entered in the console.FFixed the lagging of appservice when files could not be downloaded via wx.downloadFile due to the proxy.FFixed the inability to obtain the duration of the background audio in backgroundAudioManager in Weixin DevTools. Feedback DetailsFFixed the failure of some toolbar buttons to adapt to the language switch.FFixed the failure of DevTools to reload when the simulator popped up for the first time.FFixed the problem that the TabBar in the simulator went blank after multiple taps.FFixed the incorrect compileType in the Weixin Work Mini Program mode.FFixed the problem that duplicate project lists existed when appid in project.config.json was manually modified to an empty string.FFixed the problem that the status bar kept indicating that a file was being compiled in the developer mode.FFixed the failure to report system errors during the slow compilation of multiple project files.FFixed the problem that an error occurred in the Mini Programs configured with functionpages during physical device debugging in Windows.FFixed the problem that app.js was initialized twice during subpackage debugging.FFixed the inability to recursively create directories by makeDirSync in Weixin DevTools. Feedback DetailsFFixed the problem that an error occurred in the project during Windows nightly small package update.FFixed the inability to read the ignore in packOptions during physical device debugging.FFixed the inability to display the size of the code package when it exceeded the maximum value.FFixed the problem that the option to open the last modified project in the settings did not take effect.FFixed the problem that no message about size exceeding limit was returned during preview and upload.FFixed the inability to skip domain name verification when API downloadFile was called.FFixed the problem that Home and Back buttons were displayed in the web debugging mode.FFixed the network panel to remove the base64 request.FFixed the failure to enter proxy settings.FFixed the failure of page reflow after several switches between portrait and landscape in webview.FFixed the failure to synchronize the cloud environment list after AppID was changed in the project details.FFixed the inability to open the projects with 「'」 in the path. Feedback DetailsFFixed the problem that BackgroundAudioManager.onPlay ran earlier than onCanPlay. Feedback DetailsFFixed earlier versions of the base library of Weixin DevTools to solve the problem that error "vd_version_info not found" was returned when a new plug-in was released online.FFixed the unwanted spreading of usingComponents in app.json to a independent subpackage. Feedback DetailsFFixed the problem that plug-in reference information remained after the plugins field in app.json was deleted.FFixed the inability to block certain requests when the simulation was offline. Feedback DetailsFFixed the inability to adapt the simulator size to the rotation automatically.
# 2019.04.09
UOptimized the interactive experience of background audioFFixed the problem that HTTP calls could not be uploaded. Feedback DetailsFFixed the issue with the tabBar font color to make the RGB format inconsistent with that in client.FFixed the problem that tabBar was covered by the mask.FFixed the inability to call Weixin Work API in App.onLaunch.FFixed wx.getBackgroundAudioManager to make it inconsistent with that in client. Feedback DetailsFFixednavigationStyle: customto rectify the issue where the page with the web-view component did not have the top navigation bar.FFixed the problem that --upload-desc would truncate the content after the space when the command line is called for upload. Feedback DetailsFFixed local proxy in proxy settings to rectify the issue where a space is added before text when the focus disappeared.FFixed the problem that the proportion of base library is displayed only after the first preview.
# 2019.03.25
FFixed the inability of file modification to trigger compilation after 1.02.1903211 was installed by overwriting the existing version.FFixed the problem that two Weixin Work simulator plug-ins existed in 1.02.1903211.FFixed the white page during Official Account web debugging in 1.02.1903211.FFixed the incorrect width of simulator at startup in 1.02.1903211.
# 2019.03.21
AAdded cloud function local debugging documentation.AAdded Weixin Work simulator plug-in documentation.AAdded support for calling CLI/HTTP to close the project window and exit the Weixin DevTools. DetailsAAdded a Mini Program to supportpageOrientation: "landscape".AAdded page configuration in subpackage configuration to automatically generate relevant page structure. Feedback DetailsAAdded physical device debugging to debug functionalPage.AAdded geographic location index in the cloud console. DocumentationUFixed the lagging problem when compiling large-scale Mini Program projects.UOptimized TS version of code structure which allows quick start.FFixed the inability to open the Settings window when the background music player was enabled.FFixed wx.connectSocket to rectify the issue of abnormal control of the maximum number of connections at a timeout.FFixed wx.connectSocket to rectify the issue where there was no error callback if the connection cannot be established.FFixed web-view to rectify the issue where the entire problem could not be displayed in the landscape mode. Feedback DetailsFFixed the problem that a custom property error was reported when wxss started with a non-numeric character.FFixed the problem that incorrect windowHeight is returned when calling wx.getSystemInfo in the custom tabBar.FFixed the issue of custom analysis test failure. Feedback DetailsFFixed the problem that a pull-down prompt appeared when a user whose appid did not enable Cloud Base tried to create a project with a Cloud Base template.FFixed the problem that two status bars appeared when authorization settings were opened from the pop-up simulator. Feedback DetailsFFixed the problem that wx.chooseMessageFile was invalid after tabBar switch.FFixed the problem that the wxml panel could not parse style when notes were added after keyframe in the wxss file. Feedback DetailsFFixed the problem that wx.getMenuButtonBoundingClient failed after the simulator popped up. Feedback DetailsFFixed the problem that no identical logs could be displayed in wxs. Feedback DetailsFFixed the problem that no error message was displayed in wxs. Feedback DetailsFFixed the problem that other tabBar pages would be displayed first when tabBar was adjusted. Feedback DetailsFFixed the problem that an error was reported when building mqtt package with npm.FFixed the issue of abnormal size of the project list window.FFixed the problem that the upload time is displayed incorrectly. Feedback Details