v0.55.0-beta.15

• [FEATURE] add OAuth passthrough option to the HTTP proxy settings editor (#337)
• [FEATURE] Support HTTP proxy timeout (#325)
• [FEATURE] (dashboards): show panel count on collapsed panel group titles (#309)
• [FEATURE] format: support custom display label for units (#297)
• [FEATURE] Add plugin versioning support + dashboard lock mode (#243)
• [FEATURE] Add metadata dialog for Exemplars (#278)
• [ENHANCEMENT] Enable drag and drop effect only when mouse is on drag handle (#335)
• [ENHANCEMENT] add fetch and fetchjson from fetch provider to datasource client creation (#316)
• [ENHANCEMENT] Allow panel drag and drop between panel groups (replace ReactGridLayout by Snapgrid) (#296)
• [BUGFIX] enable on blur validation for the panel links (#331)
• [BUGFIX] TimeSeriesTooltip: keep a pinned tooltip above the table legend header (#326)
• [BUGFIX] Load explorer plugins from the configured plugins base URL (#302)
• [BUGFIX] ExploreManager: pass module version and registry to PluginLoaderComponent (#314)
• [BUGFIX] Fix zIndex for OverflowMenu (#304)
• [BUGFIX] store default query when no query is provided (#295)
• [BREAKINGCHANGE] Upgrade Oxlint and fix React Compiler errors (#310)
• [BREAKINGCHANGE] Remove old cuelang definition for datasource proxy configuration (#327)
• [BREAKINGCHANGE] Align Zod schema typing (#282)