Backport PR #10802: None

Merge pull request #10801 from Carreau/backport-pr-10793 Backport PR #10793 on branch 5.x

Merge pull request #10799 from Carreau/backport-pr-10743 Backport PR 10743 on branch 5.x

Merge pull request #10798 from Carreau/backport-pr-10707 Backport PR 10707 on branch 5.x

Backport PR #10707 on branch 5.x Merge pull request #10707 from Carreau/profile-deprecated Document magic profile as deprecated

Backport PR #10793 on branch 5.x Merge pull request #10793 from Carreau/wn Consolidate What's new dev and 5.5

Merge pull request #10755 from mariusvniekerk/progressbar Progressbar

Backport PR 10743 on branch 5.x Merge pull request #10743 from takluyver/limit-no-completions Limit number of completions returned

Merge pull request #10791 from ipython/auto-backport-of-pr-10788 Backport PR #10788 on branch 5.x

Backport PR #10788: None The filename was generated taking the last digits of a randomly generated number between 0 and 1, if the number is small enough, it's repr ends with `e-5`, or less (the probability is actually close to 1/1000 because the biggest number we can get with e-5 is (1e-4 - epsilon). We actually did hit that on our CI: - https://ci.appveyor.com/project/IPython/ipython/build/1.0.839/job/mk4l08s295ynkfs5 ``` ====================================================================== ERROR: test_run_submodule_with_absolute_import (IPython.core.tests.test_run.TestMagicRunWithPackage) ---------------------------------------------------------------------- Traceback (most recent call last): File "c:\python36-x64\lib\site-packages\IPython\core\tests\test_run.py", line 455, in test_run_submodule_with_absolute_import self.check_run_submodule('absolute') File "c:\python36-x64\lib\site-packages\IPython\core\tests\test_run.py", line 450, in check_run_submodule self.assertEqual(_ip.user_ns['x'], self.value, KeyError: 'x' -------------------- >> begin captured stdout << --------------------- File "C:\Users\appveyor\AppData\Local\Temp\1\tmp4asmvv33\tmpqpswwe9n\tmp065832886952393e-05\absolute.py", line 2 from tmp065832886952393e-05.sub import x ^ SyntaxError: invalid syntax ``` Actually pick a random string now we should have less chance of being invalid identifier.

Merge pull request #10783 from ipython/auto-backport-of-pr-10782 Backport PR #10782 on branch 5.x

Backport PR #10782: Skip unicode test in C locale Closes gh-10780

Merge pull request #10777 from ipython/auto-backport-of-pr-10775 Backport PR #10775 on branch 5.x

Backport PR #10775: Correct Demo namespace in documentation The documentation used the old namespace for the Demo class.

Merge pull request #10770 from ipython/auto-backport-of-pr-10767 Backport PR #10767 on branch 5.x

Merge pull request #10769 from ipython/auto-backport-of-pr-10756 Backport PR #10756 on branch 5.x

Backport PR #10767: Sort on string representation if sorting fails

Merge pull request #10766 from takluyver/5.x-rm-docs-dev-warning Don't show dev version warning in 5.x docs

Backport PR #10756: Mpl magics The first commit is (I think) non-controversial The second is something I would like, but may be too aggressive.

Don't show dev version warning in 5.x docs