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NuGet · #1957 most downloaded on NuGet
Contains the website assembly needed to run the frontend of Umbraco CMS.
Last release 6 days ago
06 Oct 2026
Ships on a steady schedule
a new release about every 2 weeks
Rarely documented
notes for 11 of the last 60 stable releases
2 versions withdrawn
withdrawn after publishing
127 years old
323 releases · first in 1900
Dependencies: Pin SQLitePCLRaw.lib.e_sqlite3 to a non-vulnerable version (closes #23325 ) by @AndyButland in #23393
Full Changelog: release-18.1.0-rc...release-18.1.0-rc2
@hey-api/openapi-ts from the login project by @iOvergaard in #22757umb-entity-frame component + Storybook stories by @leekelleher in #22844umbMemberName component (closes #22147) by @leekelleher in #23165umbElementName component by @leekelleher in #23162valueSummary display and value resolver by @leekelleher in #23154umbracoContent.contentTypeId by @AndyButland in #23328DocumentVariantStateModel API model for backoffice client by @leekelleher in #22716Fallback.ToAncestors with no match throwing exception at property level (closes #22759) by @AndyButland in #22763Umbraco.Cms instead of Umbraco.Core. by @AndyButland in #22843IAppPolicyCache.ClearByKey intermittently failing to clear cached items (closes #23064) by @AndyButland in #23068Note truncated.
One column per quarter.
Nothing published for this version
Nothing published for this version
Nothing published for this version
Nothing published for this version
Nothing published for this version
Nothing published for this version
Nothing published for this version
Nothing published for this version
Nothing published for this version
Resolved authorization bypass allows low-privileged users to delete media outside their start node from GHSA-7pj9-jmp9-p86q
Full Changelog: release-17.7.0...release-17.7.1
Block Rich Text Editor Impl.: cleanup & deprecate by @nielslyngsoe in #23720
Full Changelog: release-17.7.0-rc...release-17.7.0
hasChildren to document and media collection responses by @AndyButland in #23685CompositeStringStringKey by @patrickdemooij9 in #23471ReplaceMany string extension method by @patrickdemooij9 in #23483Activator.CreateInstance when creating MediaWithCrops by @patrickdemooij9 in #23496ImageFileTypes configuration in management API factories by @iOvergaard in #23413LogIncompletedScopes warning for uncompleted child scopes (closes #15243) by @AndyButland in #23424umbLink via MarkView to stop data-router-slot attribute leaking into stored HTML by @leekelleher in #23488<div> containers (closes #22654) by @leekelleher in #23489MovePropertyType orphaning the property when moving it to no group (closes #23481) by @AndyButland in #23493IsPropertyValid by @kjac in #23691Note truncated.
Block Rich Text Editor Impl.: cleanup & deprecate by @nielslyngsoe in #23720
hasChildren to document and media collection responses by @AndyButland in #23685CompositeStringStringKey by @patrickdemooij9 in #23471ReplaceMany string extension method by @patrickdemooij9 in #23483Activator.CreateInstance when creating MediaWithCrops by @patrickdemooij9 in #23496ImageFileTypes configuration in management API factories by @iOvergaard in #23413LogIncompletedScopes warning for uncompleted child scopes (closes #15243) by @AndyButland in #23424umbLink via MarkView to stop data-router-slot attribute leaking into stored HTML by @leekelleher in #23488<div> containers (closes #22654) by @leekelleher in #23489MovePropertyType orphaning the property when moving it to no group (closes #23481) by @AndyButland in #23493IsPropertyValid by @kjac in #23691Note truncated.
Resolved incorrect authorization lets Content-only backoffice users modify Templates, enabling remote code execution from GHSA-f7m5-5x7g-2p52
Full Changelog: release-17.6.1...release-17.6.2
Hotfix: Reintroduce deprecated UUI components by @nielslyngsoe in #23628
demandCustomElement by @nielslyngsoe in #23624Full Changelog: release-17.6.0...release-17.6.1
Dependencies: Pin SQLitePCLRaw.lib.e_sqlite3 to a non-vulnerable version (closes #23325 ) by @AndyButland in #23393
Full Changelog: release-17.6.0-rc2...release-17.6.0
Full Changelog: release-17.6.0-rc...release-17.6.0-rc2
umb-entity-frame component + Storybook stories by @leekelleher in #22844umbMemberName component (closes #22147) by @leekelleher in #23165umbracoContent.contentTypeId by @AndyButland in #23328DocumentVariantStateModel API model for backoffice client by @leekelleher in #22716ServerEventSender as a distributed cache notification handler by @ronaldbarendse in #22818Umbraco.Cms instead of Umbraco.Core. by @AndyButland in #22843RecurringHostedServiceBase with SemaphoreSlim and add signalling support by @ronaldbarendse in #22331IAppPolicyCache.ClearByKey intermittently failing to clear cached items (closes #23064) by @AndyButland in #23068Note truncated.
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