Docs: Updated changelog for 6.1 release (#16224)

* Docs: Updated changelog for 6.1 release

Also Updates the changelog cli task to group issues into bug fixes
and not bug fixes.

* Minor changelog fixes

CHANGELOG.md

 # 6.1.0 (unreleased)
 
+# 6.1.0-beta1 (unreleased)
+
 ### New Features
 * **Prometheus**: adhoc filter support [#8253](https://github.com/grafana/grafana/issues/8253), thx [@mtanda](https://github.com/mtanda)
+* **Permissions**: Editors can become admin for dashboards, folders and teams they create. [#15977](https://github.com/grafana/grafana/pull/15977), [@xlson](https://github.com/xlson)
 
 ### Minor
+
+* **Auth**: Support listing and revoking auth tokens via API [#15836](https://github.com/grafana/grafana/issues/15836)
+* **Alerting**: Notification channel http api enhancements. [#16219](https://github.com/grafana/grafana/pull/16219), [@marefr](https://github.com/marefr)
+* **CloudWatch**: Update metrics/dimensions list. [#16137](https://github.com/grafana/grafana/pull/16137), [@mtanda](https://github.com/mtanda)
 * **Cloudwatch**: Add AWS RDS MaximumUsedTransactionIDs metric [#15077](https://github.com/grafana/grafana/pull/15077), thx [@activeshadow](https://github.com/activeshadow)
+* **Cache**: Adds support for using out of proc caching in the backend [#10816](https://github.com/grafana/grafana/issues/10816)
+* **Dashboard**: New keyboard shortcut `d l` toggles all Graph legends in a dashboard. [#15770](https://github.com/grafana/grafana/pull/15770), [@jsferrei](https://github.com/jsferrei)
+* **Datasource**: Only log connection string in dev environment [#16001](https://github.com/grafana/grafana/issues/16001)
+* **DataProxy**: Add custom header (X-Grafana-User) to data source requests with the current username. [#15998](https://github.com/grafana/grafana/pull/15998), [@aocenas](https://github.com/aocenas)
+* **DataProxy**: Make it possible to add user details to requests sent to the dataproxy [#6359](https://github.com/grafana/grafana/issues/6359) and [#15931](https://github.com/grafana/grafana/issues/15931)
+* **Explore**: Hide empty duplicates column in logs viewer. [#15982](https://github.com/grafana/grafana/pull/15982), [@steven-sheehy](https://github.com/steven-sheehy)
+* **Explore**: Make it possible to close left pane of split view. [#16155](https://github.com/grafana/grafana/pull/16155), [@dprokop](https://github.com/dprokop)
+* **Explore**: Move back / forward with browser buttons now works. [#16150](https://github.com/grafana/grafana/pull/16150), [@hugohaggmark](https://github.com/hugohaggmark)
+* **Explore**: Update Loki labels when label selector is opened. [#16131](https://github.com/grafana/grafana/pull/16131), [@dprokop](https://github.com/dprokop)
+* **Heatmap**: You can now choose to hide buckets with zero value. [#15934](https://github.com/grafana/grafana/pull/15934), [@alexanderzobnin](https://github.com/alexanderzobnin)
 * **Heatmap**: `Middle` bucket bound option [#15683](https://github.com/grafana/grafana/issues/15683)
 * **Heatmap**: `Reverse order` option for changing order of buckets [#15683](https://github.com/grafana/grafana/issues/15683)
+* **Prometheus**: Change alignment of range queries to end before now and not in future. [#16110](https://github.com/grafana/grafana/pull/16110), [@davkal](https://github.com/davkal)
+* **Prometheus**: Dedup annotations events with same timestamp . [#16152](https://github.com/grafana/grafana/pull/16152), [@torkelo](https://github.com/torkelo)
+* **SQL**: Use default min interval of 1m for all SQL data sources. [#15799](https://github.com/grafana/grafana/pull/15799), [@marefr](https://github.com/marefr)
+* **Templating**: Custom variable value now escapes all backslashes properly. [#15980](https://github.com/grafana/grafana/pull/15980), [@srid12](https://github.com/srid12)
+* **Templating**: Data source variable now supports multi-value for uses cases that involve repeating panels & rows. [#15914](https://github.com/grafana/grafana/pull/15914), [@torkelo](https://github.com/torkelo)
 * **VictorOps**:  Adds more information to the victor ops notifiers [#15744](https://github.com/grafana/grafana/issues/15744), thx [@zhulongcheng](https://github.com/zhulongcheng)
-* **Cache**: Adds support for using out of proc caching in the backend [#10816](https://github.com/grafana/grafana/issues/10816)
-* **Dataproxy**: Make it possible to add user details to requests sent to the dataproxy [#6359](https://github.com/grafana/grafana/issues/6359) and [#15931](https://github.com/grafana/grafana/issues/15931)
-* **Auth**: Support listing and revoking auth tokens via API [#15836](https://github.com/grafana/grafana/issues/15836)
-* **Datasource**: Only log connection string in dev environment [#16001](https://github.com/grafana/grafana/issues/16001)
 
 ### Bug Fixes
+* **Alerting**: Don't include non-existing image in MS Teams notifications. [#16116](https://github.com/grafana/grafana/pull/16116), [@SGI495](https://github.com/SGI495)
 * **Api**: Invalid org invite code [#10506](https://github.com/grafana/grafana/issues/10506)
+* **Annotations**: Fix for native annotations filtered by template variable with pipe. [#15515](https://github.com/grafana/grafana/pull/15515), [@marefr](https://github.com/marefr)
+* **Dashboard**: Fix for time regions spanning across midnight. [#16201](https://github.com/grafana/grafana/pull/16201), [@marefr](https://github.com/marefr)
 * **Datasource**: Handles nil jsondata field gracefully [#14239](https://github.com/grafana/grafana/issues/14239)
-* **Gauge**: Interpolate scoped variables in repeated gauges [#15739](https://github.com/grafana/grafana/issues/15739)
 * **Datasource**: Empty user/password was not updated when updating datasources [#15608](https://github.com/grafana/grafana/pull/15608), thx [@Maddin-619](https://github.com/Maddin-619)
+* **Elasticsearch**: Fix incorrect index pattern padding in alerting queries. [#15892](https://github.com/grafana/grafana/pull/15892), [@sandlis](https://github.com/sandlis)
+* **Explore**: Fix for Prometheus autocomplete not working in Firefox. [#16192](https://github.com/grafana/grafana/pull/16192), [@hugohaggmark](https://github.com/hugohaggmark)
+* **Explore**: Fix for url does not keep query after browser refresh. [#16189](https://github.com/grafana/grafana/pull/16189), [@hugohaggmark](https://github.com/hugohaggmark)
+* **Gauge**: Interpolate scoped variables in repeated gauges [#15739](https://github.com/grafana/grafana/issues/15739)
+* **Graphite**: Fixed issue with using series ref and series by tag. [#16111](https://github.com/grafana/grafana/pull/16111), [@torkelo](https://github.com/torkelo)
+* **Graphite**: Fixed variable quoting when variable value is nummeric. [#16149](https://github.com/grafana/grafana/pull/16149), [@torkelo](https://github.com/torkelo)
+* **Heatmap**: Fixes Y-axis tick labels being in wrong order for some Prometheus queries. [#15932](https://github.com/grafana/grafana/pull/15932), [@alexanderzobnin](https://github.com/alexanderzobnin)
+* **Heatmap**: Negative values are now displayed correctly in graph & legend. [#15953](https://github.com/grafana/grafana/pull/15953), [@alexanderzobnin](https://github.com/alexanderzobnin)
 * **Heatmap**: legend shows wrong colors for small values [#14019](https://github.com/grafana/grafana/issues/14019)
+* **InfluxDB**: Always close request body even for error status codes. [#16207](https://github.com/grafana/grafana/pull/16207), [@ramongtx](https://github.com/ramongtx)
+* **ManageDashboards**: Fix for checkboxes not appearing properly Firefox . [#15981](https://github.com/grafana/grafana/pull/15981), [@srid12](https://github.com/srid12)
+* **Playlist**:  Leaving playlist now always stops playlist . [#15791](https://github.com/grafana/grafana/pull/15791), [@peterholmberg](https://github.com/peterholmberg)
+* **Table**: Fix for white text on white background when value is null. [#16199](https://github.com/grafana/grafana/pull/16199), [@peterholmberg](https://github.com/peterholmberg)
 
 # 6.0.2 (2019-03-19)
 

scripts/cli/tasks/changelog.ts

+import _ from 'lodash';
 import { Task, TaskRunner } from './task';
 import axios from 'axios';
 
@@ -20,30 +21,58 @@ const changelogTaskRunner: TaskRunner<ChangelogOptions> = async ({ milestone })
     },
   });
 
-  let markdown = '';
-
-  for (const item of res.data) {
+  const issues = res.data.filter(item => {
     if (!item.milestone) {
       console.log('Item missing milestone', item.number);
-      continue;
+      return false;
     }
+    return item.milestone.title === milestone;
+  });
 
-    // For some reason I could not get the github api to filter on milestone and label
-    // So doing this filter here
-    if (item.milestone.title !== milestone) {
-      continue;
-    }
+  const bugs = _.sortBy(
+    issues.filter(item => {
+      if (item.title.match(/fix|fixes/i)) {
+        return true;
+      }
+      if (item.labels.find(label => label.name === 'type/bug')) {
+        return true;
+      }
+      return false;
+    }),
+    'title'
+  );
 
-    markdown += '* ' + item.title + '.';
-    markdown += ` [#${item.number}](${githubGrafanaUrl}/pull/${item.number})`;
-    markdown += `, [@${item.user.login}](${item.user.html_url})`;
+  const notBugs = _.sortBy(res.data.filter(item => !bugs.find(bug => bug === item)), 'title');
+
+  let markdown = '### Features / Enhancements\n';
+
+  for (const item of notBugs) {
+    markdown += getMarkdownLineForIssue(item);
+  }
 
-    markdown += '\n';
+  markdown += '\n### Bug Fixes\n';
+  for (const item of bugs) {
+    markdown += getMarkdownLineForIssue(item);
   }
 
   console.log(markdown);
 };
 
+function getMarkdownLineForIssue(item: any) {
+  let markdown = '';
+  let title = item.title.replace(/^([^:]*)/, (match, g1) => {
+    return `**${g1}**`;
+  });
+
+  markdown += '* ' + title + '.';
+  markdown += ` [#${item.number}](${githubGrafanaUrl}/pull/${item.number})`;
+  markdown += `, [@${item.user.login}](${item.user.html_url})`;
+
+  markdown += '\n';
+
+  return markdown;
+}
+
 export const changelogTask = new Task<ChangelogOptions>();
 changelogTask.setName('Changelog generator task');
 changelogTask.setRunner(changelogTaskRunner);