Remaining tasks for v5.0.0-alpha.0

[adidahiya]

Tracking list of tasks:

• merge develop changes (April '22 - Oct '22) into v5 [v5] merge develop at 101d0fe #6091
• merge develop changes (Oct '22 - Apr '23) into v5 [v5] merge develop at ac8eec5 #6095
• update docs-theme COMPONENT_DISPLAY_NAMESPACE
• remove IE11 polyfills Remove polyfills required for IE11 #5143
• remove IE11-specific code (Browser.isInternetExplorer()) [v5] [core] feat: remove browser detection code #6105
• remove deprecated Classes.HTML_TABLE_CONDENSED [v5] [core] break: remove HTML_TABLE_CONDENSED class #6104
• remove deprecated textmate styles [v5] [docs-theme] break: remove deprecated textmate grammar styles #6103
• remove deprecated legacy color aliases (cobalt) [v5] [colors] break: remove Colors.COBALT legacy aliases #6108
• fix e.which usage Usage of deprecated UIEvent.which field #4165
• fix tsc suppressions (DialogStepButton) [v5] [core] fix: refactor button prop types #6110
• revert import React from "react" synthetic default import change (it caused unnecessary issues downstream which we don't want to deal with right now)
• restore ref support in some components missed during the big merge [v5] [core] feat(ButtonGroup, ControlGroup, MenuItem): use forwardRef #6113
  • Menu (ulRef -> ref)
  • MenuItem
  • ButtonGroup
  • ControlGroup
• Un-revert ItemRendererProps type change #5514 - [v5] [select] break(QueryList): index is always defined in itemRenderer #6112
• clarify docs for Portal legacy context [v5] [core] docs(Portal): clarify legacy context support #6119
• restore some v2 APIs (breaks postponed to v6.0)
  • PanelStack2 [v5] [core] feat: restore PanelStack & PanelStack2 APIs #6116
  • HotkeysTarget2 [v5] [core] restore HotkeysTarget & HotkeysTarget2 APIs #6120
• move all @blueprintjs/datetime2 component changes into @blueprintjs/datetime [v5] [datetime] break: promote datetime2 components #6121
• create re-exports for newly promoted v2 APIs (to minimize code diffs in consumer v5.0.0 upgrades)
  • @blueprintjs/datetime2: DateInput2, DateRangeInput2, TimezoneSelect [v5] [datetime] break: promote datetime2 components #6121
  • @blueprintjs/popover2: [v5] [popover2] restore package with re-exports from core #6114
  • @blueprintjs/select: [v5] [select] feat: re-export v2 APIs #6115

[adidahiya]

Done with these tasks - the first pre-release version of v5 will be published this week.