prepare for release 3.1.5 (#458)

Author: jaeopt

.travis.yml

@@ -93,7 +93,7 @@ jobs:
       os: osx
       osx_image: xcode10
       env:
-        - VERSION=3.1.4
+        - VERSION=3.1.5
       install:
         # install hub
         - wget https://github.com/github/hub/releases/download/v2.11.2/hub-darwin-amd64-2.11.2.tgz -O /tmp/hub-darwin-amd64-2.11.2.tgz && tar -xvf /tmp/hub-darwin-amd64-2.11.2.tgz -C /usr/local/opt && ln -s /usr/local/opt/hub-darwin-amd64-2.11.2/bin/hub /usr/local/bin/hub
@@ -106,7 +106,7 @@ jobs:
       os: osx
       osx_image: xcode10
       env:
-        - VERSION=3.1.4
+        - VERSION=3.1.5
       install:
         # install hub
         - wget https://github.com/github/hub/releases/download/v2.11.2/hub-darwin-amd64-2.11.2.tgz -O /tmp/hub-darwin-amd64-2.11.2.tgz && tar -xvf /tmp/hub-darwin-amd64-2.11.2.tgz -C /usr/local/opt && ln -s /usr/local/opt/hub-darwin-amd64-2.11.2/bin/hub /usr/local/bin/hub

CHANGELOG.md

@@ -1,5 +1,11 @@
 # Optimizely Objective-C SDK Changelog
 
+## 3.1.5
+October 6th, 2020
+
+### Bug Fixes
+* Explicitly add secondary dependencies into podspecs to fix Xcode 12 build issue. ([#457](https://github.com/optimizely/objective-c-sdk/pull/457))
+
 ## 3.1.4
 September 23rd, 2020
 

README.md

@@ -43,7 +43,7 @@ https://www.sqlite.org/threadsafe.html
 #### Cocoapod 
 1. Add the following lines to the _Podfile_:<pre>
     ```use_frameworks!```
-    ```pod 'OptimizelySDK<platform>', '~> 3.1.4'```
+    ```pod 'OptimizelySDK<platform>', '~> 3.1.5'```
 </pre>
 
 2. Run the following command: <pre>``` pod install ```</pre>
@@ -52,7 +52,7 @@ Further installation instructions for Cocoapods: https://guides.cocoapods.org/us
 
 #### Carthage
 1. Add the following lines to the _Cartfile_:<pre> 
-github "optimizely/objective-c-sdk" ~> 3.1.4
+github "optimizely/objective-c-sdk" ~> 3.1.5
 </pre>
 
 2. Run the following command:<pre>```carthage update```</pre>