I have installed both Catalina and Xcode 11 from store and they are up to date:

 - Catalina: 10.15.1 (19B88)
 - Xcode: 11.2 (11B52)

Yesterday I have uploaded a new binary using `fastlane`. Today I got this message from Apple:

&gt; Dear Developer,
&gt; 
&gt; We identified one or more issues with a recent submission for App
&gt; Store review for your app, &quot;G&#246;zen Security&quot; 7.3.2 (67). Please correct
&gt; the following issues, then upload again.
&gt; 
&gt; ITMS-90534: Invalid Toolchain - Your app was built with an unsupported
&gt; version of Xcode or SDK. If you plan to submit this build to the App
&gt; Store, make sure you are using the GM version of Xcode 10.1 and the
&gt; SDK for iOS 12.1 and watchOS 5.1, Xcode 7.1 and the SDK for tvOS 9, or
&gt; Xcode 6 and the SDK for macOS 10.9 or later. If you are using an Xcode
&gt; beta version to test your app, make sure you are using the latest
&gt; supported version. For more information about supported beta versions,
&gt; view the App Store Connect What&#39;s New page
&gt; (https://developer.apple.com/app-store-connect/whats-new/).
&gt; 
&gt; Best regards,
&gt; 
&gt; The App Store Team

Since `Catalina` and `Xcode 11` are officially released why `Apple` still want me to use `Xcode 10` and `iOS 12`?

App archived with Xcode 11.2 (11B52) rejected: ITMS-90534: Invalid Toolchain

I try to get my local development in Chrome back running, but Chrome prevents that, with the message that the certificate is invalid. Even though it could not be the date of the certificate, as you can see in the screenshot of it:

[![enter image description here][1]][1]

I just wonder why there is no advanced &gt; option to proceed anyway to see the website and being able to locally develop the app.

A few more things to mention:

 - The local development runs on
   https://local.app.somecompany.com:4200/. It can&#39;t be just localhost,
   because otherwise our authentication http-only cookies won&#39;t work in
   Chrome.
 - Therefore the host file under etc/hosts was adjusted to
   point to the localhost IP adress (127.0.0.1).
 - The certificate was
   generated with openssl according to this [tutorial][2] and this
   [repo][3]
 - The certificate works for a colleague with the exact same
   Chrome version but with a MacOS version 10.14.6 (mine right now is
   MacOS 10.15.1)
 - The chrome flag(chrome://flags/#allow-insecure-localhost) does not change anything
 - Also works in firefox on my laptop.

Can&#39;t find anything online that helped me to solve this so far, so I would be extremly thankful, if anyone has some more ideas what I could try!?


Specs:

 - OS: MacOS 10.15.1
 - Chrome: 78.0.3904.97

  [1]: https://i.stack.imgur.com/EDHew.png
  [2]: https://medium.com/@rubenvermeulen/running-angular-cli-over-https-with-a-trusted-certificate-4a0d5f92747a
  [3]: https://github.com/RubenVermeulen/generate-trusted-ssl-certificate

No “Proceed Anyway” option on NET::ERR_CERT_INVALID in Chrome on MacOS

After upgrading to Catalina from Mojave, Setuping: /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.15.sdk in the env.

I&#39;m unable to compile a program that use `&lt;cmath&gt;` header.


I tried changing CFLAGS, CCFLAGS, CXXFLAGS to point to the MacOSSDK Location that change nothing

```
Scanning dependencies of target OgreMain
/Applications/Xcode.app/Contents/Developer/usr/bin/make -f OgreMain/CMakeFiles/OgreMain.dir/build.make OgreMain/CMakeFiles/OgreMain.dir/build
[  0%] Building CXX object OgreMain/CMakeFiles/OgreMain.dir/src/OgreASTCCodec.cpp.o
cd /Users/roman/Downloads/ogre-1.12.2/build/OgreMain &amp;&amp; /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/c++  -DOgreMain_EXPORTS -D__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES=0 -I/Users/roman/Downloads/ogre-1.12.2/OgreMain/src/OSX -I/Users/roman/Downloads/ogre-1.12.2/OgreMain/include/Threading -I/Users/roman/Downloads/ogre-1.12.2/OgreMain/src -I/Users/roman/Downloads/ogre-1.12.2/build/Dependencies/include -I/Users/roman/Downloads/ogre-1.12.2/OgreMain/include -I/Users/roman/Downloads/ogre-1.12.2/build/include -I/Users/roman/Downloads/ogre-1.12.2/OgreMain -isystem /usr/local/include  -Wall -Winit-self -Wcast-qual -Wwrite-strings -Wextra -Wundef -Wmissing-declarations -Wno-unused-parameter -Wshadow -Wno-missing-field-initializers -Wno-long-long -Wno-inconsistent-missing-override  -msse -O3 -DNDEBUG -arch x86_64 -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.15.sdk -fPIC -fvisibility=hidden -fvisibility-inlines-hidden   -std=c++11 -o CMakeFiles/OgreMain.dir/src/OgreASTCCodec.cpp.o -c /Users/roman/Downloads/ogre-1.12.2/OgreMain/src/OgreASTCCodec.cpp
In file included from /Users/roman/Downloads/ogre-1.12.2/OgreMain/src/OgreASTCCodec.cpp:29:
In file included from /Users/roman/Downloads/ogre-1.12.2/OgreMain/src/OgreStableHeaders.h:40:
In file included from /Users/roman/Downloads/ogre-1.12.2/OgreMain/include/OgrePrerequisites.h:309:
In file included from /Users/roman/Downloads/ogre-1.12.2/OgreMain/include/OgreStdHeaders.h:10:
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../include/c++/v1/cmath:314:9: error: no member named &#39;signbit&#39; in the global namespace
using ::signbit;
      ~~^
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../include/c++/v1/cmath:315:9: error: no member named &#39;fpclassify&#39; in the global namespace
using ::fpclassify;
      ~~^
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../include/c++/v1/cmath:316:9: error: no member named &#39;isfinite&#39; in the global namespace; did you mean &#39;finite&#39;?
using ::isfinite;
```

for example the macro: `isless` is present in the global namespace and on my computer:

```
➜ cat math.h | grep &quot;isless&quot;

#define isless(x, y) __builtin_isless((x),(y))
#define islessequal(x, y) __builtin_islessequal((x),(y))
#define islessgreater(x, y) __builtin_islessgreater((x),(y))
➜  pwd
/usr/local/include
➜
```

Even the cmath header include it:

```
➜ cat /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../include/c++/v1/cmath | grep &quot;math.h&quot;
#include &lt;math.h&gt;
```

And my command line have the option `-isystem /usr/local/include`

This should work...


Catalina C++: Using &lt;cmath&gt; headers yield error: no member named &#39;signbit&#39; in the global namespace

I can&#39;t believe what I just measured:

    python3 -m timeit -s &quot;from math import sqrt&quot; &quot;sqrt(2)&quot;
    5000000 loops, best of 5: 42.8 nsec per loop

    python3 -m timeit &quot;2 ** 0.5&quot;
    50000000 loops, best of 5: 4.93 nsec per loop

This goes against any intuition... it shoud be exactly the opposite!

Python 3.8.3 on macOS Catalina

Why is math.sqrt massively slower than exponentiation?

I was using the latest version of `Android Studio IDE` for creating `flutter` apps. But when I upgraded from Mojave to Catalina and tried to open my `flutter` code on IDE it gave me an error saying: 

&gt; Dart can not be opened because the Developer can not be verified

What is the reason behind the error and how can I solve the issue?

Do I have to install flutter and relative development tools from scratch again or is there any other way to resolve the issue?



[![enter image description here][1]][1]


  [1]: https://i.stack.imgur.com/xhHGY.png

Flutter App Running Error: Dart can not be opened, Developer can not be verified after upgrading to Catalina

After upgrading to MacOS X 10.15 Catalina, I cannot run any git commands in my shell:

&gt; The default interactive shell is now zsh.
&gt;
&gt; To update your account to use zsh, please run `chsh -s /bin/zsh`.
&gt;
&gt; For more details, please visit https://support.apple.com/kb/HT208050.
&gt;
&gt; ~ | git
&gt;
&gt; xcrun: error: invalid active developer path (/Library/Developer/CommandLineTools), missing xcrun at: /Library/Developer/CommandLineTools/usr/bin/xcrun

I thought there&#39;s a problem with my shell, so I followed the instructions to change the default Mac OS shell back to bash, using the GUI and also using the command line: 

```
chsh -s /bin/bash
```

I also restarted the computer. However, I still see the same message, even though `echo &quot;$SHELL&quot;` outputs `/bin/bash`.


Git doesn&#39;t work on MacOS Catalina: &quot;xcrun: error: invalid active developer path (/Library/Developer/CommandLineTools), missing&quot;

After an automatic update of [macOS v10.15][1] (Catalina), I am unable to open Xcode. Xcode prompts me to install additional components but the installation fails because of MobileDevice.pkg (Applications/Xcode.app/Contents/Resources/Packages)

I have found multiple answers on how to locate MobileDevice.pkg and that I should try to install it directly, but when I try to do this the installation fails too. I have also tried updating Xcode from [App Store][2], but the update failed when it was nearly finished.

Has anyone experienced the same behaviour? Should I reset the Mac to default and install [macOS v10.13][3] (High Sierra) or Catalina from scratch or it is a problem of Xcode and re-install would do the job?

I have found a discussion [here][4] that was posted today and is probably regarding the same issue and it seems like many people are dealing with it, too.

&lt;!-- language-all: lang-python --&gt; 

The log:

    *2019-10-25 01:03:34+02 Vendula-MacBook-Pro Xcode[1567]: Package: PKLeopardPackage 
    &lt;id=com.apple.pkg.MobileDevice, version=4.0.0.0.1.1567124787, url=file:///Applications/Xcode.app/Contents/Resources/Packages/MobileDevice.pkg&gt; 
    Failed to verify with error: Error Domain=PKInstallErrorDomain Code=102 
    &quot;The package “MobileDevice.pkg” is untrusted.&quot; 
    UserInfo={
      NSLocalizedDescription=The package “MobileDevice.pkg” is untrusted., 
      NSURL=MobileDevice.pkg -- file:///Applications/Xcode.app/Contents/Resources/Packages/, 
      PKInstallPackageIdentifier=com.apple.pkg.MobileDevice, 
      NSUnderlyingError=0x7fabf6626d00 
      {
        Error Domain=NSOSStatusErrorDomain 
        Code=-2147409654 &quot;CSSMERR_TP_CERT_EXPIRED&quot; 
        UserInfo={
          SecTrustResult=5, 
          PKTrustLevel=PKTrustLevelExpiredCertificate,   
          NSLocalizedFailureReason=CSSMERR_TP_CERT_EXPIRED
        }
      }
    }*

  [1]: https://en.wikipedia.org/wiki/MacOS_Catalina
  [2]: https://en.wikipedia.org/wiki/App_Store_(macOS)
  [3]: https://en.wikipedia.org/wiki/MacOS_High_Sierra
  [4]: https://discussions.apple.com/thread/250782804


MobileDevice.pkg untrusted, cannot open Xcode after OS X update

I want to set the environment variable I added below the line to `~/.bash_profile ` and ` ~/.profile` but it didn&#39;t work.

    export JBOSS_HOME=/Users/{USERNAME}/Desktop/jboss7

Afterward, exit the terminal and open it again when executing `echo $JBOSS_HOME` I get nothing.
&lt;br&gt;
[![enter image description here][1]][1]


  [1]: https://i.stack.imgur.com/i8pyb.png

macOS Catalina 10.15(beta) - Why is ~/.bash_profile not sourced by my shell?

I have downloaded Visual Studio Code for the first time but I keep getting message below:

![apple error message when clicking on VSC app][1]

  [1]: https://i.stack.imgur.com/JYhkw.png

 &gt; &quot;Visual Studio Code&quot; can&#39;t be opened because Apple cannot check it for malicious software. 
 &gt;
 &gt; This software needs to be updated. Contact the developer for more information.

My MacBook is up to date, and I even updated the latest version of VSC on their website (September 2019 (version 1.39); there is none for October) but it still gave me the same message.

Looking into their FAQ, I read about reinstalling VS Code. I did that but it still doesn&#39;t work.

Visual Studio Code can&#39;t be opened because &quot;Apple cannot check it for malicious software&quot;

There&#39;s a previous question [Can&#39;t compile C program on a Mac after upgrade to Mojave](https://stackoverflow.com/questions/52509602/cant-compile-c-program-on-a-mac-after-upgrade-to-mojave), and the answers to that have covered most of the variations on what goes wrong.

Now — as of Monday 2019-10-07 — you can upgrade to macOS Catalina 10.15.  Once again, during the upgrade, the `/usr/include` directory has been blown away by the update, even though XCode 11.0 was installed before upgrading (from Mojave 10.14.6) to Catalina.  Consequently, compilers built to expect that there is a `/usr/include` directory do not work any longer.

The main recommended step for the Mojave issues — using the command:

&gt;     open /Library/Developer/CommandLineTools/Packages/macOS_SDK_headers_for_macOS_10.14.pkg

does not work out of the gate because the directory `/Library/Developer/CommandLineTools/Packages/` does not exist (so there&#39;s not yet a `.pkg` file to open).

Is there a good (official) way to create and populate the directory `/usr/include`?

Can&#39;t compile a C program on a Mac after upgrading to Catalina 10.15

Every time I try `npm install`. I get the following error. How do I fix it?

```
gyp: No Xcode or CLT version detected!
```

I am on `node -v → v8.8.0` &amp; `npm -v → v6.11.3`

I tried to run it on VSCode terminal and iTerm, but both ended up getting the same error. (both are updated to the latest version). The only new thing I did is updating my macOS to the latest version (Catalina 10.15.3 today).


```
$ npm install          Fri Mar  6 17:22:40 2020

&gt; fsevents@1.2.11 install /Users/synapse/Documents/synapsefi-dev-ui/node_modules/watchpack/node_modules/fsevents
&gt; node-gyp rebuild

No receipt for &#39;com.apple.pkg.CLTools_Executables&#39; found at &#39;/&#39;.

No receipt for &#39;com.apple.pkg.DeveloperToolsCLILeo&#39; found at &#39;/&#39;.

No receipt for &#39;com.apple.pkg.DeveloperToolsCLI&#39; found at &#39;/&#39;.

gyp: No Xcode or CLT version detected!
gyp ERR! configure error
gyp ERR! stack Error: `gyp` failed with exit code: 1
gyp ERR! stack     at ChildProcess.onCpExit (/Users/synapse/.nvm/versions/node/v8.8.0/lib/node_modules/npm/node_modules/node-gyp/lib/configure.js:344:16)
gyp ERR! stack     at emitTwo (events.js:125:13)
gyp ERR! stack     at ChildProcess.emit (events.js:213:7)
gyp ERR! stack     at Process.ChildProcess._handle.onexit (internal/child_process.js:200:12)
gyp ERR! System Darwin 19.3.0
gyp ERR! command &quot;/Users/synapse/.nvm/versions/node/v8.8.0/bin/node&quot; &quot;/Users/synapse/.nvm/versions/node/v8.8.0/lib/node_modules/npm/node_modules/node-gyp/bin/node-gyp.js&quot; &quot;rebuild&quot;
gyp ERR! cwd /Users/synapse/Documents/synapsefi-dev-ui/node_modules/watchpack/node_modules/fsevents
gyp ERR! node -v v8.8.0
gyp ERR! node-gyp -v v5.0.3
gyp ERR! not ok
npm WARN synapsefi-dev-ui@2.0.20 No repository field.
npm WARN The package country-data is included as both a dev and production dependency.
npm WARN The package react-dropzone is included as both a dev and production dependency.
npm WARN optional SKIPPING OPTIONAL DEPENDENCY: fsevents@1.2.11 (node_modules/watchpack/node_modules/fsevents):
npm WARN optional SKIPPING OPTIONAL DEPENDENCY: fsevents@1.2.11 install: `node-gyp rebuild`
npm WARN optional SKIPPING OPTIONAL DEPENDENCY: Exit status 1
```

`npm install` fails on node-gyp rebuild with `gyp: No Xcode or CLT version detected!`

I ran my Django project with new macOS Catalina and was running fine.  
I installed oh_my_zsh then I tried to run the same project it is crashing with the following errors. I uninstalled oh_my_zsh and tried again but it did not worked.


```
Path:                  /usr/local/Cellar/python/3.7.4_1/Frameworks/Python.framework/Versions/3.7/Resources/Python.app/Contents/MacOS/Python
Identifier:            Python
Version:               3.7.4 (3.7.4)
Code Type:             X86-64 (Native)
Parent Process:        Python [7526]
Responsible:           Terminal [7510]
User ID:               501

Date/Time:             2019-10-07 20:59:20.675 +0530
OS Version:            Mac OS X 10.15 (19A582a)
Report Version:        12
Anonymous UUID:        CB7F20F6-96C0-4F63-9EC5-AFF3E0989687


Time Awake Since Boot: 3000 seconds

System Integrity Protection: enabled

Crashed Thread:        0  Dispatch queue: com.apple.main-thread

Exception Type:        EXC_CRASH (SIGABRT)
Exception Codes:       0x0000000000000000, 0x0000000000000000
Exception Note:        EXC_CORPSE_NOTIFY

Application Specific Information:
/usr/lib/libcrypto.dylib
abort() called
Invalid dylib load. Clients should not load the unversioned libcrypto dylib as it does not have a stable ABI.

```

Python crashing on MacOS 10.15 Beta (19A582a) with &quot;/usr/lib/libcrypto.dylib&quot;

Trying to update from Xcode 11 GM to 11.1 always fail.

I tried moving /Applications/Xcode.app first... nothing works

This is my commerce log:

&gt;2019-10-08 12:29:08+01 leviathan installd[556]: PackageKit: Install Failed: Error Domain=PKInstallErrorDomain Code=501 &quot;The package is attempting to install content to the system volume.&quot; UserInfo={NSLocalizedDescription=The package is attempting to install content to the system volume.} {

All Macos Catalina Solutions on Gang of Coders

Total of 13 Macos Catalina Solutions

App archived with Xcode 11.2 (11B52) rejected: ITMS-90534: Invalid Toolchain

No “Proceed Anyway” option on NET::ERR_CERT_INVALID in Chrome on MacOS

Catalina C++: Using <cmath> headers yield error: no member named 'signbit' in the global namespace

Why is math.sqrt massively slower than exponentiation?

Flutter App Running Error: Dart can not be opened, Developer can not be verified after upgrading to Catalina

Git doesn't work on MacOS Catalina: "xcrun: error: invalid active developer path (/Library/Developer/CommandLineTools), missing"

MobileDevice.pkg untrusted, cannot open Xcode after OS X update

macOS Catalina 10.15(beta) - Why is ~/.bash_profile not sourced by my shell?

Visual Studio Code can't be opened because "Apple cannot check it for malicious software"

Can't compile a C program on a Mac after upgrading to Catalina 10.15

`npm install` fails on node-gyp rebuild with `gyp: No Xcode or CLT version detected!`

Python crashing on MacOS 10.15 Beta (19A582a) with "/usr/lib/libcrypto.dylib"

Can't update Xcode 11