Update CHANGELOG.md

CHANGELOG.md

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 # 5.0.0 (unreleased)
 
+### WIP (in develop branch currently as its unstable or unfinished)
+- Dashboard folders
+- User groups 
+- Dashboard permissions (on folder & dashboard level), permissions can be assigned to groups or individual users
+- UX changes to nav & side menu
+- New dashboard grid layout system
+
+# 4.5.0 (unreleased)
+
 ## New Features
 
 * **Table panel**: Render cell values as links that can use url that uses variables from current table row. [#3754](https://github.com/grafana/grafana/issues/3754)
+* **Elasticsearch**: Add ad hoc filters directly by clicking values in table panel [#8052](https://github.com/grafana/grafana/issues/8052).
 
 ## Enhancements
 
 * **GitHub OAuth**: Support for GitHub organizations with 100+ teams. [#8846](https://github.com/grafana/grafana/issues/8846), thx [@skwashd](https://github.com/skwashd)
 * **Graphite**: Calls to Graphite api /metrics/find now include panel or dashboad time range (from & until) in most cases, [#8055](https://github.com/grafana/grafana/issues/8055)
 * **Graphite**: Added new graphite 1.0 functions, available if you set version to 1.0.x in data source settings. New Functions: mapSeries, reduceSeries, isNonNull, groupByNodes, offsetToZero, grep, weightedAverage, removeEmptySeries, aggregateLine, averageOutsidePercentile, delay, exponentialMovingAverage, fallbackSeries, integralByInterval, interpolate, invert, linearRegression, movingMin, movingMax, movingSum, multiplySeriesWithWildcards, pow, powSeries, removeBetweenPercentile, squareRoot, timeSlice, closes [#8261](https://github.com/grafana/grafana/issues/8261)
+- **Elasticsearch**: Ad-hoc filters now use query phrase match filters instead of term filters, works on non keyword/raw fields [#9095](https://github.com/grafana/grafana/issues/9095).
  
 ## Changes
 
 * **InfluxDB**: Change time range filter for absolute time ranges to be inclusive instead of exclusive [#8319](https://github.com/grafana/grafana/issues/8319), thx [@Oxydros](https://github.com/Oxydros)
 
+## Bug Fixes 
+
+* **Modals**: Maintain scroll position after opening/leaving modal [#8800](https://github.com/grafana/grafana/issues/8800)
+* **Templating**: You cannot select data source variables as data source for other template variables [#7510](https://github.com/grafana/grafana/issues/7510)
+
 # 4.4.4 (unreleased)
 
 ## Bug Fixes