diff --git a/bugs/issue-0f2c246cadbb3b3913b75dc7e890ee4e7d336a1a.yaml b/bugs/issue-0f2c246cadbb3b3913b75dc7e890ee4e7d336a1a.yaml
new file mode 100644
index 00000000..94aeb71b
--- /dev/null
+++ b/bugs/issue-0f2c246cadbb3b3913b75dc7e890ee4e7d336a1a.yaml
@@ -0,0 +1,23 @@
+--- !ditz.rubyforge.org,2008-03-06/issue 
+title: implement RegExp flags properties as accessors
+desc: |-
+  This seems to be the approach in ES6.  The accessors can back directly to the
+  regexp bytecode.
+  
+  This saves three properties for each RegExp instance and also makes
+  RegExp.prototype.compile() easier to implement.
+type: :feature
+component: duk
+release: 
+reporter: Sami Vaarala <sami.vaarala@iki.fi>
+status: :unstarted
+disposition: 
+creation_time: 2014-09-08 08:58:21.244629 Z
+references: []
+
+id: 0f2c246cadbb3b3913b75dc7e890ee4e7d336a1a
+log_events: 
+- - 2014-09-08 08:58:21.500537 Z
+  - Sami Vaarala <sami.vaarala@iki.fi>
+  - created
+  - ""
diff --git a/bugs/issue-191e25e14d04fc2628122fe265fc7f056c7abe70.yaml b/bugs/issue-191e25e14d04fc2628122fe265fc7f056c7abe70.yaml
new file mode 100644
index 00000000..cb623107
--- /dev/null
+++ b/bugs/issue-191e25e14d04fc2628122fe265fc7f056c7abe70.yaml
@@ -0,0 +1,18 @@
+--- !ditz.rubyforge.org,2008-03-06/issue 
+title: implement ES6 regexp features
+desc: For example, new regexp flags such as "u".
+type: :feature
+component: duk
+release: 
+reporter: Sami Vaarala <sami.vaarala@iki.fi>
+status: :unstarted
+disposition: 
+creation_time: 2014-09-08 08:54:14.636770 Z
+references: []
+
+id: 191e25e14d04fc2628122fe265fc7f056c7abe70
+log_events: 
+- - 2014-09-08 08:54:15.068737 Z
+  - Sami Vaarala <sami.vaarala@iki.fi>
+  - created
+  - ""
diff --git a/bugs/issue-7c3ca809e63ea460dda0b9763722a461dde2a4b9.yaml b/bugs/issue-7c3ca809e63ea460dda0b9763722a461dde2a4b9.yaml
new file mode 100644
index 00000000..5a4cc2f9
--- /dev/null
+++ b/bugs/issue-7c3ca809e63ea460dda0b9763722a461dde2a4b9.yaml
@@ -0,0 +1,22 @@
+--- !ditz.rubyforge.org,2008-03-06/issue 
+title: more polyfills
+desc: ""
+type: :task
+component: duk
+release: v0.12
+reporter: Sami Vaarala <sami.vaarala@iki.fi>
+status: :closed
+disposition: :fixed
+creation_time: 2014-09-08 09:21:46.087467 Z
+references: []
+
+id: 7c3ca809e63ea460dda0b9763722a461dde2a4b9
+log_events: 
+- - 2014-09-08 09:21:46.263392 Z
+  - Sami Vaarala <sami.vaarala@iki.fi>
+  - created
+  - ""
+- - 2014-09-08 09:21:49.815453 Z
+  - Sami Vaarala <sami.vaarala@iki.fi>
+  - closed with disposition fixed
+  - ""
diff --git a/bugs/issue-86afdb903fc0dedbd4c55306baac546cffa4489e.yaml b/bugs/issue-86afdb903fc0dedbd4c55306baac546cffa4489e.yaml
new file mode 100644
index 00000000..7c10a728
--- /dev/null
+++ b/bugs/issue-86afdb903fc0dedbd4c55306baac546cffa4489e.yaml
@@ -0,0 +1,30 @@
+--- !ditz.rubyforge.org,2008-03-06/issue 
+title: implement ES6 unicode string literals
+desc: |-
+  https://people.mozilla.org/~jorendorff/es6-draft.html#sec-literals-string-literals
+  
+  Example::
+  
+      \u{1ABCD}
+  
+  The meaning is:
+  
+      The CV of UnicodeEscapeSequence :: u{ HexDigits } is the UTF-16Encoding
+      (10.1.1) of the MV of HexDigits.
+  
+  In other words, surrogate pairs.
+type: :feature
+component: duk
+release: 
+reporter: Sami Vaarala <sami.vaarala@iki.fi>
+status: :unstarted
+disposition: 
+creation_time: 2014-09-08 08:46:03.309311 Z
+references: []
+
+id: 86afdb903fc0dedbd4c55306baac546cffa4489e
+log_events: 
+- - 2014-09-08 08:46:03.629205 Z
+  - Sami Vaarala <sami.vaarala@iki.fi>
+  - created
+  - ""
diff --git a/bugs/issue-f8396fbcc36db4610fec5ad5a7d7a8f471d084a4.yaml b/bugs/issue-f8396fbcc36db4610fec5ad5a7d7a8f471d084a4.yaml
new file mode 100644
index 00000000..00a5446c
--- /dev/null
+++ b/bugs/issue-f8396fbcc36db4610fec5ad5a7d7a8f471d084a4.yaml
@@ -0,0 +1,24 @@
+--- !ditz.rubyforge.org,2008-03-06/issue 
+title: reimplement RegExp "source" property as an accessor
+desc: |-
+  The RegExp source could be appended to the RegExp bytecode to reduce
+  memory churn - RegExp bytecodes and sources are rarely very large, so
+  this wouldn't create large memory allocations.
+  
+  This would reduce the RegExp instance property count by one, and make
+  RegExp.prototype.compile() polyfill easier to implement.
+type: :feature
+component: duk
+release: 
+reporter: Sami Vaarala <sami.vaarala@iki.fi>
+status: :unstarted
+disposition: 
+creation_time: 2014-09-08 09:02:56.770414 Z
+references: []
+
+id: f8396fbcc36db4610fec5ad5a7d7a8f471d084a4
+log_events: 
+- - 2014-09-08 09:02:57.010412 Z
+  - Sami Vaarala <sami.vaarala@iki.fi>
+  - created
+  - ""