Adds a null check to build notifications

Closes #27948

See merge request !9108

Upgrade from Babel 5 to Babel 6

See merge request !9072

Refactored diff notes Vue app

See merge request !9065

Correctly transform an anchor link to GFM when copying it

See merge request !9080

Reduce padding of mr widget mini graph

See merge request !9071

Looks for correct key to pass to commit prop. Adds rspec test.

Closes #27880

See merge request !9070

Fixed random merge request widget failure

Closes #27806

See merge request !9068

Backport fixes for pipelines_store frontend specs

Closes #27871

See merge request !9067

Update GitLab pages to v0.3.0

See merge request !9043

lfs: do not require auth for public repositories

Closes #23360

See merge request !8824

Added help box where backlog list used to be

See merge request !9106

This is to ease the transition for users who were used to having the
backlog list

Closes #27933

Replace arrow function with regular function to prevent overiding function context

See merge request !9057

Add default labels to bulk assign dropdowns

Closes #27822

See merge request !9042

dismiss sidebar on action button click

Closes #27227

See merge request !8798

Show organisation membership and delete comment action on smaller viewports, plus chang…

Closes #25134

See merge request !8905

ensure karma fails if it cannot load all spec files

See merge request !9038

make the selector more inclusive

spec for dashboard’s sidebar visibility

fix linting errors for project dashboard page

remove unused var: shouldBeCollapsed

use project with repo, so download button became available

use es6 style for testing project dashboard

un-aliased global reference at sidebar.js.es6

fix spec from linting errors

code improvement

add singleton to `this`

assign `singleton` to class

add space in between

remove `no-underscore-dangle`

add complete changelog

sidebar internal state test

remove on page change, not exist in master. rebase.

only nicescroll if the element is there

new require style

reference to sidebar content outside of timeout

Revert "Merge branch 'fix-karma-coverage' into 'master'"

See merge request !9051

Add info about the new location of Integrations

Closes #27723

See merge request !9050

This reverts merge request !9044

[ci skip]

Support a string source in the route map

See merge request !9046

Fix rendering pipelines for a new merge request

See merge request !9032

Improve gl.utils.handleLocationHash tests

See merge request !9040