diff --git a/JenkinsJobs/Releng/promoteBuild.jenkinsfile b/JenkinsJobs/Releng/promoteBuild.jenkinsfile
index f0e06b72647..34c0a6b334a 100644
--- a/JenkinsJobs/Releng/promoteBuild.jenkinsfile
+++ b/JenkinsJobs/Releng/promoteBuild.jenkinsfile
@@ -21,8 +21,14 @@ pipeline {
 			The name (or, build id) of the build to promote. Typically would be a value such as 'I20250714-1800'.
 			It must match the name of the build on the build machine.
 		''')
-		string(name: 'CHECKPOINT', trim: true, description: 'M1, M3, RC1, RC2, RC3 etc (blank for final releases).')
-		string(name: 'SIGNOFF_BUG', trim: true, description: 'The issue that was used to "signoff" the checkpoint. If there are no unit test failures, this can be left blank. Otherwise a link is added to test page explaining that "failing unit tests have been investigated".')
+		string(name: 'CHECKPOINT', trim: true, description: 'M1, M2, M3, RC1, RC2, RC2a etc. (blank for final releases).')
+		string(name: 'SIGNOFF_ISSUE', trim: true, description: '''
+			The issue that was used to "signoff" this checkpoint.
+			The value is the number of the corresponding GitHub issue of the <a href="https://github.com/eclipse-platform/eclipse.platform.releng.aggregator/issues">eclipse-platform/eclipse.platform.releng.aggregator</a> repository.
+			<br>
+			If there are no unit test failures, this can be left blank.
+			Otherwise a link is added to test page explaining that "failing unit tests have been investigated".
+		''')
 	}
 	agent {
 		label 'basic'
@@ -43,7 +49,7 @@ pipeline {
 					echo "DRY_RUN: ${DRY_RUN}"
 					echo "DROP_ID: ${DROP_ID}"
 					echo "CHECKPOINT: ${CHECKPOINT}"
-					echo "SIGNOFF_BUG: ${SIGNOFF_BUG}"
+					echo "SIGNOFF_ISSUE: ${SIGNOFF_ISSUE}"
 					def idMatcher = null
 					if ((idMatcher = "${DROP_ID}" =~ /I(?<date>\d{8})-(?<time>\d{4})/).matches()) {
 						assignEnvVariable('BUILD_LABEL', "${DROP_ID}")
@@ -81,13 +87,10 @@ pipeline {
 					assignEnvVariable('DL_DROP_ID', "${DL_TYPE}-${DL_LABEL}-${buildTimestamp}")
 					assignEnvVariable('MAINTENANCE_BRANCH', "R${BUILD_MAJOR}_${BUILD_MINOR}_maintenance")
 					
-					if ("${SIGNOFF_BUG}".isEmpty()) {
-						echo '''\
-							[WARNING] SIGNOFF_BUG was not defined. That is valid if no Unit Tests failures but otherwise should be defined.
-							Can be added by hand to buildproperties.php in drop site, if in fact there were errors, and simply forgot to specify.
-						'''.stripIndent()
-					} else if ("${SIGNOFF_BUG}" ==~ '\\d+') {
-						assignEnvVariable('SIGNOFF_BUG', "https://github.com/eclipse-platform/eclipse.platform.releng.aggregator/issues/${SIGNOFF_BUG}")
+					if ("${SIGNOFF_ISSUE}".isEmpty()) {
+						echo '[WARNING] SIGNOFF_ISSUE was not defined. That is valid if no Unit Tests failures but otherwise should be defined.'
+					} else if ("${SIGNOFF_ISSUE}" ==~ '\\d+') {
+						assignEnvVariable('SIGNOFF_ISSUE', "https://github.com/eclipse-platform/eclipse.platform.releng.aggregator/issues/${SIGNOFF_ISSUE}")
 					}
 					
 					if (params.DRY_RUN) { // Clear 'try-outs' area on the starge server
@@ -139,18 +142,7 @@ pipeline {
 					
 					echo 'Promote Eclipse'
 					dir("${WORKSPACE}/eclipse") {
-						renameBuildDrop('eclipse/downloads/drops4', "${DROP_ID}", "${BUILD_LABEL}", "${DL_DROP_ID}", "${DL_LABEL}") {
-							sh '''
-								echo "\\$NEWS_ID = \\"${BUILD_MAJOR}.${BUILD_MINOR}\\";" >> 'buildproperties.php'
-								echo "\\$ACK_ID = \\"${BUILD_MAJOR}.${BUILD_MINOR}\\";" >> 'buildproperties.php'
-								echo "\\$README_ID = \\"${BUILD_MAJOR}.${BUILD_MINOR}\\";" >> 'buildproperties.php'
-								
-								# SIGNOFF_BUG should not be defined if there are no JUnit failures to investigate and explain
-								if [[ -n "${SIGNOFF_BUG}" ]]; then
-									echo -e "<p>Any unit test failures below have been investigated and found to be test-related and do not affect the quality of the build.\\nSee the <a href=\\"${SIGNOFF_BUG}\\">sign-off page</a> for details.</p>" > 'testNotes.html'
-								fi
-							'''
-						}
+						renameBuildDrop('eclipse/downloads/drops4', "${DROP_ID}", "${BUILD_LABEL}", "${DL_DROP_ID}", "${DL_LABEL}")
 					}
 				}
 			}
@@ -164,7 +156,7 @@ pipeline {
 					script {
 						utilities.runHereAndForEachGitSubmodule{
 							// Enforce the (re-)creation of the tag in case of a very late respin
-							sh 'git tag --force --annotate --message="${SIGNOFF_BUG}" ${TAG} HEAD'
+							sh 'git tag --force --annotate --message="${SIGNOFF_ISSUE}" ${TAG} HEAD'
 							utilities.gitPushTag("${TAG}", /*force*/ true)
 						}
 					}
@@ -319,7 +311,7 @@ pipeline {
 	}
 }
 
-def renameBuildDrop(String baseDropPath, String oldDropID, String oldBuildLabel, String newDropID, String newBuildLabel, Closure extraTasks=null) {
+def renameBuildDrop(String baseDropPath, String oldDropID, String oldBuildLabel, String newDropID, String newBuildLabel) {
 	def sourcePath="${EP_ROOT}/${baseDropPath}/${oldDropID}"
 	def targetPath="${EP_ROOT}/${env.DRY_RUN_PREFIX ?: ''}${baseDropPath}/${newDropID}"
 	
@@ -327,7 +319,7 @@ def renameBuildDrop(String baseDropPath, String oldDropID, String oldBuildLabel,
 		
 		# Copy drop-directory to new location
 		ssh genie.releng@projects-storage.eclipse.org mkdir -p '${targetPath}'
-		# Create this marker first to ensure the page is never without
+		# Create this marker first to ensure the page is never visible without it (until it's published)
 		ssh genie.releng@projects-storage.eclipse.org touch '${targetPath}/buildHidden'
 		
 		ssh genie.releng@projects-storage.eclipse.org cp -r '${sourcePath}/.' '${targetPath}'
@@ -355,32 +347,34 @@ EOF
 		ssh genie.releng@projects-storage.eclipse.org sed --in-place --expression 's/${oldBuildLabel}/${newBuildLabel}/g' ${targetPath}/checksum/*
 	"""
 	
-	// Update buildproperties.php to new names
-	def newTypeName = null
+	// Update buildproperties.json to new names
+	sh "scp genie.releng@projects-storage.eclipse.org:${sourcePath}/buildproperties.json buildproperties.json"
+	utilities.modifyJSON('buildproperties.json') { buildProperties ->
+		buildProperties.identifier = newDropID
+		buildProperties.label = newBuildLabel
 	if ("${DL_TYPE}" == 'R') {
-		newTypeName = 'Release'
+		buildProperties.kind = 'Release'
 	} else if (newBuildLabel.contains('RC')) {
-		newTypeName = 'Release Candidate'
+		buildProperties.kind = 'Release Candidate'
 	} else if ("${DL_TYPE}" == 'S') {
-		newTypeName = 'Stable'
+		buildProperties.kind = 'Stable'
 	} else {
 		error "Unexpected DL_TYPE value, ${DL_TYPE}"
 	}
-	def newProperties = [
-		BUILD_ID: "${newBuildLabel}",
-		BUILD_TYPE: "${DL_TYPE}",
-		BUILD_TYPE_NAME: "${newTypeName}",
-	]
-	def buildPropertiesPHP = sh(returnStdout: true, script: "ssh genie.releng@projects-storage.eclipse.org cat ${sourcePath}/buildproperties.php")
-	for (entry in newProperties) {
-		//TODO: update this to modify the buildproperties.json with the new names/labels and updated filenames/size(?)
-		buildPropertiesPHP = buildPropertiesPHP.replaceFirst('\\$' + entry.key + ' = "[^"]+"', '\\$' + entry.key + ' = "' + entry.value + '"')
+		buildProperties.values().each{ value ->
+			if (value instanceof List) {
+				value.each{ fileData ->
+					if('name' in fileData) {
+						fileData.name = fileData.name.replace(oldBuildLabel, newBuildLabel)
+					}
+				}
+			}
+		}
+		if (env.SIGNOFF_ISSUE) {
+			buildProperties.signOffIssue = env.SIGNOFF_ISSUE
+		}
 	}
-	writeFile(file: 'buildproperties.php', text: buildPropertiesPHP)
 	
-	if (extraTasks) {
-		extraTasks()
-	}
 	sh """#!/bin/bash -xe
 		# Copy locally modified files to the download server
 		scp -r . genie.releng@projects-storage.eclipse.org:${targetPath}/
diff --git a/sites/eclipse/build/index.html b/sites/eclipse/build/index.html
index 3c6e2cd8fec..e84be993f97 100644
--- a/sites/eclipse/build/index.html
+++ b/sites/eclipse/build/index.html
@@ -43,6 +43,7 @@ <h3 id="tests">Summary of Unit Test Results</h3>
 		<p>
 			<span id="test-completion-state">No</span> integration and unit test configurations are complete.
 		</p>
+		<p id="signOff-issue-container"></p>
 		<table id="tests-overview-table">
 			<thead>
 				<tr>
@@ -150,6 +151,13 @@ <h3 id="swt">SWT Binary and Source
 				document.getElementById('test-completion-state').innerHTML = `${completedTests} of ${testResults.length}`
 			})
 
+			if (build.signOffIssue) {
+				const signOffLabel = build.signOffIssue.replace('https://github.com/', '').replace('/issues/', '#')
+				const signOffSection = document.getElementById('signOff-issue-container')
+				signOffSection.innerHTML = `Any unit test failures below have been investigated and found to be test-related and to not affect the quality of the build.<br>
+				For details, see <a href="${build.signOffIssue}">${signOffLabel}</a>.`
+			}
+
 			// Inject resource files
 			const dataTables = Array.from(mainElement.getElementsByClassName("files-table"))
 			for (const table of dataTables) {