diff --git a/.github/ISSUE_TEMPLATE/bug_report.md b/.github/ISSUE_TEMPLATE/bug_report.md
index ed2c0eb09..78fbbf992 100644
--- a/.github/ISSUE_TEMPLATE/bug_report.md
+++ b/.github/ISSUE_TEMPLATE/bug_report.md
@@ -24,6 +24,6 @@ assignees: ''
 
 **What jsoncons library version?**
 
- - [ ] Latest release 0.177.0
+ - [ ] Latest release 0.178.0
  - [ ] Other release ______
  - [ ] master
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 428c3b39a..227f17a24 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,32 @@
 0.178.0 (on master)
 -------
 
+Defect fixes:
+
+- Fixed issue with `jmespath::join function` through PR #546
+ 
+- Fixed issue with the path for cmake config files through PR #547
+
+- Made the basic_json constructor `basic_json(const Allocator&)`  
+consistent with `basic_json(json_object_arg_t, const Allocator& alloc = Allocator())`.
+
+- `basic_json` copy construction now applies allocator traits `select_on_container_copy_construction`
+to the allocator obtained from `other`. For pmr allocators, this gives a default constructed pmr allocator rather
+than a copy of the allocator in `other`.
+ 
+Enhancements:
+ 
+- Improved the implementation of `basic_json` swap. Previously in
+some cases it would allocate. 
+ 
+- Improved the implementation of `basic_json` copy assignment. 
+Reduced allocations when assigning from array to array and object to
+object.
+
+- Documented the rules for `basic_json` allocators
+[here](https://github.com/danielaparker/jsoncons/blob/master/doc/ref/corelib/json/allocators.md),
+and added numerous tests for conformance to the rules.  
+
 0.177.0
 -------
 
diff --git a/README.md b/README.md
index 44d09dd24..44eddbc81 100644
--- a/README.md
+++ b/README.md
@@ -71,7 +71,7 @@ _"really good"_ _"awesome project"_ _"very solid and very dependable"_ _"my team
 
 [Get started with HealthImaging image sets and image frames using an AWS SDK](https://docs.aws.amazon.com/healthimaging/latest/devguide/example_medical-imaging_Scenario_ImageSetsAndFrames_section.html)
 
-[RubyGems.org](https://rubygems.org/gems/jsoncons/versions/0.1.3?locale=en)   [rjsoncons](https://cran.rstudio.com/web/packages/rjsoncons/index.html)   [coppeliarobotics](https://manual.coppeliarobotics.com/en/zmqRemoteApiOverview.htm)
+[RubyGems.org](https://rubygems.org/gems/jsoncons/versions/0.1.3?locale=en)   [rjsoncons](https://cran.rstudio.com/web/packages/rjsoncons/index.html)   [Coppelia Robotics](https://manual.coppeliarobotics.com/en/zmqRemoteApiOverview.htm)
 
 ## Get jsoncons
 
diff --git a/doc/ref/corelib/basic_json.md b/doc/ref/corelib/basic_json.md
index 74aa10843..6f28d6da2 100644
--- a/doc/ref/corelib/basic_json.md
+++ b/doc/ref/corelib/basic_json.md
@@ -187,7 +187,7 @@ for their storage, otherwise attempts to return a default constructed allocator.
 
 <table border="0">
   <tr>
-    <td><code>bool contains(const string_view_type& key) const noexcept</code></td>
+    <td>bool contains(const string_view_type& key) const noexcept</td>
     <td>Returns <code>true</code> if an object has a member with the given <code>key</code> , otherwise <code>false</code></td> 
   </tr>
   <tr>
diff --git a/doc/ref/corelib/json_type_traits/custom-specializations.md b/doc/ref/corelib/json_type_traits/custom-specializations.md
index 8adf26a41..303b81bf1 100644
--- a/doc/ref/corelib/json_type_traits/custom-specializations.md
+++ b/doc/ref/corelib/json_type_traits/custom-specializations.md
@@ -270,7 +270,7 @@ using jsoncons::json;
 
 int main()
 {
-    json j(json::object_arg, {{"1",2},{"3",4}});
+    json j(json_object_arg, {{"1",2},{"3",4}});
     assert(j.is<own_vector>());
     auto v = j.as<own_vector>();
     json j2 = v;
diff --git a/include/jsoncons/basic_json.hpp b/include/jsoncons/basic_json.hpp
index 703104ddb..5a2586f7d 100644
--- a/include/jsoncons/basic_json.hpp
+++ b/include/jsoncons/basic_json.hpp
@@ -635,13 +635,7 @@ namespace jsoncons {
                 : storage_kind_(static_cast<uint8_t>(json_storage_kind::long_str)), short_str_length_(0), tag_(tag), ptr_(ptr)
             {
             }
-/*
-            long_string_storage(const char_type* data, std::size_t length, semantic_tag tag, const Allocator& alloc)
-                : storage_kind_(static_cast<uint8_t>(json_storage_kind::long_str)), short_str_length_(0), tag_(tag)
-            {
-                ptr_ = heap_string_factory_type::create(data, length, null_type(), alloc);
-            }
-*/
+
             long_string_storage(const long_string_storage& other)
                 : storage_kind_(static_cast<uint8_t>(json_storage_kind::long_str)), short_str_length_(0), tag_(other.tag_), ptr_(other.ptr_)
             {
diff --git a/include/jsoncons/config/version.hpp b/include/jsoncons/config/version.hpp
index 5ec8c5eda..825efcd7b 100644
--- a/include/jsoncons/config/version.hpp
+++ b/include/jsoncons/config/version.hpp
@@ -10,7 +10,7 @@
 #include <iostream>
     
 #define JSONCONS_VERSION_MAJOR 0
-#define JSONCONS_VERSION_MINOR 177
+#define JSONCONS_VERSION_MINOR 178
 #define JSONCONS_VERSION_PATCH 0
 
 namespace jsoncons {