Merge branch 'release51' into release52

# Conflicts:
#	meteor/package.json
#	meteor/server/api/deviceTriggers/StudioDeviceTriggerManager.ts
#	meteor/server/api/deviceTriggers/observer.ts
#	meteor/yarn.lock
#	package.json
#	packages/blueprints-integration/package.json
#	packages/corelib/package.json
#	packages/documentation/docs/user-guide/features/access-levels.md
#	packages/documentation/package.json
#	packages/job-worker/package.json
#	packages/lerna.json
#	packages/live-status-gateway/package.json
#	packages/mos-gateway/package.json
#	packages/openapi/package.json
#	packages/package.json
#	packages/playout-gateway/package.json
#	packages/server-core-integration/package.json
#	packages/shared-lib/package.json
#	packages/yarn.lock

Author: nytamin

.github/workflows/node.yaml

@@ -758,6 +758,6 @@ jobs:
           CI: true
       - name: Run check
         run: |
-          node scripts/checkForMultipleVersions.mjs
+          yarn validate:versions
         env:
           CI: true

meteor/CHANGELOG.md

@@ -2,6 +2,16 @@
 
 All notable changes to this project will be documented in this file. See [standard-version](https://github.com/conventional-changelog/standard-version) for commit guidelines.
 
+### [1.51.4](///compare/v1.51.3...v1.51.4) (2024-12-04)
+
+
+### Bug Fixes
+
+* Device Action Studio Context gets lost, Adlib previews are unstable 193815d
+* Live Status Gateway Dockerfile (regular) still uses yarn to start 0ae53c4
+* release scripts broken on Windows 9636051
+* RundownView shows spinner when unMOSing a Rundown from a Playlist 874e85c
+
 ### [1.51.2](https://github.com/nrkno/tv-automation-server-core/compare/v1.51.1...v1.51.2) (2024-11-21)
 
 

meteor/server/api/deviceTriggers/RundownContentObserver.ts

@@ -33,15 +33,18 @@ export class RundownContentObserver {
 	#observers: Meteor.LiveQueryHandle[] = []
 	#cache: ContentCache
 	#cancelCache: () => void
-	#cleanup: () => void = () => {
+	#cleanup: (() => void) | undefined = () => {
 		throw new Error('RundownContentObserver.#cleanup has not been set!')
 	}
 	#disposed = false
 
 	private constructor(onChanged: ChangedHandler) {
 		const { cache, cancel: cancelCache } = createReactiveContentCache(() => {
+			if (this.#disposed) {
+				this.#cleanup?.()
+				return
+			}
 			this.#cleanup = onChanged(cache)
-			if (this.#disposed) this.#cleanup()
 		}, REACTIVITY_DEBOUNCE)
 
 		this.#cache = cache
@@ -173,5 +176,6 @@ export class RundownContentObserver {
 		this.#cancelCache()
 		this.#observers.forEach((observer) => observer.stop())
 		this.#cleanup?.()
+		this.#cleanup = undefined
 	}
 }