This polyfill was added in late 2012 [1].
The final reference appears to have been removed in mid-2013 [2].

Regardless, we certainly are no longer supporting IE6/7.

[1] bf9f9c1c
[2] 13886841

TNL-3429: implement display_name_with_default for studio text sanitation

TNL-4140 – Configure code jail for Studio

Invalid display courseware through the LTI iframe in IE 10+

Convert tests for adding advanced problem components from lettuce to bok-choy

Fixed edx-proctoring requirement

Use markup HTML helper with Text

Incremented edx-proctoring version for 0.12.12 release

Fix content library export with empty problems.

Going head with the bump to Django version 1.8.10 - hopefully, 1.8.11 will show up soon and we'll be able to remove this monkeypatch.

TNL-4160

Fix minor typographical errors in the platform API documentation

Mark a flaky test, SOL-1654

Mark two tests flaky. TNL-4190 TNL-4191

- Ensure that only a course import is saved to the draft branch and then
published. A content library has only a single 'library' branch.
- Add a fields parameter to the create_library call so the call has the
correct number of parameters.
- Add tests which import content libraries using different test methods
and with different branch settings.
- Add test which imports a content library and then exports it.
- Use XBlock module version that supports XML-serialized String of None.
- Add re-import of content library and equality comparison to test.
- Allow get_items to be called on LibraryLocators.

Update translations (autogenerated message)

Despite db_index=True, Django didn't generate an index

Adding the -n option to the Sphinx build invocation

This should not be needed, we specify ATOMIC_REQUESTS on each DB

student_module_id is the primary way into this table, not having an
index is disastrous with real data.

Adding the -n option to the Sphinx build invocation so that WARNINGs will be treated as ERRORs. This will cause builds to fail if Sphinx cannot import modules for its autoclass directives. Currently, they fail silently and leave gaps in the published HTML where docstring content should have been.

Release ⇒ master

Added Flaky decorator to Chrome flaky tests

ECOM-3415 - Dashboard should show all XSeries association messages 

Release Candidate rc/2016-03-01

Registration: don't require terms of service if checkbox is hidden

Fixes test failures in e4613749

The problems render properly in IE 10 & 11 when using edX directly, or when opening LTI in a new tab.
This is reproducible in Canvas and D2L

Fix list index out of range in Textbook's chapters.