Release notes for Grafana 8.4.0

Features and enhancements

API: Extract OpenAPI specification from source code using go-swagger. #40528, @papagian
AccessControl: Disable user remove and user update roles when they do not have the permissions. #43429, @Jguer
AccessControl: Provisioning for teams. #43767, @gamab
API: Add usage stats preview endpoint. #43899, @Jguer
Alerting: Move slow queries in the scheduler to another goroutine. #44423, @grobinson-grafana
Alerting: Use time.Ticker instead of alerting.Ticker in ngalert. #44395, @grobinson-grafana
Alerting: add custom grouping to Alert Panel. #44559, @gillesdemey
Analytics: Add user id tracking to google analytics. #42763, @autoric
Angular: Add AngularJS plugin support deprecation plan to docs site. #45149, @torkelo
Auth: implement auto_sign_up for auth.jwt. #43502, @sakjur
Azure Monitor Logs: Order subscriptions in resource picker by name. #45228, @sunker
Azure monitor Logs: Optimize data fetching in resource picker. #44549, @sunker
AzureMonitor: Filter list of resources by resourceType. #43522, @andresmgot
BarChart: color by field, x time field, bar radius, label skipping. #43257, @leeoniya
Chore: Implement OpenTelemetry in Grafana. #42674, @idafurjes
Cloud Monitoring: Adds metric type to Metric drop down options. #43268, @tw1nk
CloudWatch: Add Data Lifecycle Manager metrics and dimension. #43310, @ilyastoli
CloudWatch: Add Missing Elasticache Host-level metrics. #43455, @dhendo
CloudWatch: Add all ElastiCache Redis Metrics. #43336, @siavashs
CloudWatch: Add new AWS/ES metrics. #43034, @sunker
Cloudwatch: Add syntax highlighting and autocomplete for “Metric Search”. #43985, @sarahzinger
Explore: Support custom display label for exemplar links for Prometheus datasource. #42732, @JokerQueue
Hotkeys: Make time range absolute/permanent. #43802, @davkal
Playlists: Enable sharing direct links to playlists. #44161, @ashharrison90
SQLStore: Prevent concurrent migrations. #44101, @papagian
SSE: Add Mode to drop NaN/Inf/Null in Reduction operations. #43583, @kylebrandt
Setting: Support configuring feature toggles with bools instead of just passing an array. #43326, @bergquist
TimeSeries: Add support for negative Y and constant transform. #44774, @dprokop
Transformations: Add ‘JSON’ field type to ConvertFieldTypeTransformer. #42624, @sd2k

Bug fixes

Auth: Guarantee consistency of signed SigV4 headers. #45054, @wbrowne
CloudWatch: Fix MetricName resetting on Namespace change. #44165, @yaelleC
Cloudwatch : Fixed resetting metric name when changing namespace in Metric Query. #44612, @yaelleC
Explore: Avoid locking timepicker when range is inverted. #44790, @Elfo404
Instrumentation: Fix HTTP request instrumentation of authentication failures. #44234, @marefr
LibraryPanels: Prevent long descriptions and names from obscuring the delete button. #45190, @zuchka
OAuth: Fix parsing of ID token if header contains non-string value. #44159, @marefr
Panel Edit: Visualization search now works correctly with special characters. #45137, @ashharrison90
Provisioning: Fix duplicate validation when multiple organizations have been configured. #44151, @marefr
QueryField: Fix issue with undo history when suggestion is inserted (#28656). #39114, @glintik
TablePanel: Do not prefix columns with frame name if multiple frames and override active. #45174, @mdvictor

Deprecations

AngularJS plugin support is now in a deprecated state, meaning it will be removed in a future release. Currently, that is planned for version 10 (in 2023). The documentation site has an article with more details on why, when, and how. Issue #45149