Yosemite: launchd scheduled jobs do not run

Since upgrading to Yosemite, all my launchd scheduled jobs do not run on their specific time set.

The system log does not have any launchd related logs that can hint what the problem is.

A sample launchd job plist:

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://ift.tt/vvUEPL">
<plist version="1.0">
<dict>
    <key>Label</key>
    <string>local.job</string>
    <key>Program</key>
    <string>/Users/guyt/git/vc/tools/AppsPerformanceReport/run_app_reviews_report.sh</string>
    <key>RunAtLoad</key>
    <false/>
    <key>StandardErrorPath</key>
    <string>/Users/guyt/apps_reports/logs/apps_reviews_log.err</string>
    <key>StandardOutPath</key>
    <string>/Users/guyt/apps_reports/logs/apps_reviews_log.out</string>
    <key>StartCalendarInterval</key>
    <dict>
        <key>Hour</key>
        <integer>7</integer>
        <key>Minute</key>
        <integer>59</integer>
    </dict>
    <key>WorkingDirectory</key>
    <string>/Users/guyt/git/vc/tools/AppsPerformanceReport</string>
</dict>
</plist>