Study Signal version history - 17 versions
Study Signal by Chantu
Be careful with old versions! These versions are displayed for testing and reference purposes.You should always use the latest version of an add-on.
Latest version
Version 1.8.9
Released Jun 1, 2026 - 456.83 KBWorks with firefox 109.0a1 and laterv1.8.9 - Alert filtering, support, and popup fixes
• Added an optional Support section in settings for people who want to help support development.
• Fixed opportunity highlights and filters using the wrong site's alert rules in the opportunity popup view.
• Fixed alert rules that only apply to studies, like hourly rate filters, accidentally suppressing Prolific project alerts.
• Fixed the opportunity popup and badge matching alert rules against the original reward and rate instead of the converted values when currency conversion is on.Source code released under MIT License
Older versions
Version 1.8.8
Released May 23, 2026 - 454.96 KBWorks with firefox 109.0a1 and laterSource code released under MIT License
Version 1.8.7
Released May 23, 2026 - 453.8 KBWorks with firefox 109.0a1 and laterv1.8.7 - Alerts
• Reduced duplicate opportunity alerts by keeping continuously observed opportunities deduped.Source code released under MIT License
Version 1.8.6
Released May 19, 2026 - 453.68 KBWorks with firefox 109.0a1 and laterSource code released under MIT License
Version 1.8.4
Released May 19, 2026 - 453.67 KBWorks with firefox 109.0a1 and laterSource code released under MIT License
Version 1.8.3
Released May 19, 2026 - 453.63 KBWorks with firefox 109.0a1 and laterv1.8.3 - Alert visibility control
• Fixed Prolific project alerts when available studies refill from zero.
• Renamed the "New" filter to "Recent" to include recently updated opportunities.Source code released under MIT License
Version 1.8.2
Released May 18, 2026 - 453.47 KBWorks with firefox 109.0a1 and laterv1.8.2 - Alert visibility control
• Added an option to suppress alerts while viewing a site's page.
• Improved opportunity card timestamp and capability icon contrast.Source code released under MIT License
Version 1.8.1
Released Apr 30, 2026 - 453.23 KBWorks with firefox 109.0a1 and laterAuto reload settings now only appear on supported platforms.Source code released under MIT License
Version 1.8.0
Released Apr 29, 2026 - 453.09 KBWorks with firefox 109.0a1 and laterv1.8.0 - Alerts, filtering & UI refresh
• Added notification conditions with include and exclude rules.
• Filter alerts by title, researcher, reward, hourly rate, slots, and completion time.
• Added opportunity support for Prolific projects.
• Updated alerts, badges, and the popup to track opportunities instead of studies only.
• Gave the UI a new look.
• Added min and max sliders for highlighting rates.Source code released under MIT License
Version 1.7.4
Released Apr 17, 2026 - 242.43 KBWorks with firefox 109.0a1 and laterfix: prevent new studies from being marked as seen during service worker wakeSource code released under MIT License
Version 1.7.3
Released Apr 13, 2026 - 242.41 KBWorks with firefox 109.0a1 and laterSource code released under MIT License
Version 1.7.2
Released Apr 13, 2026 - 242.39 KBWorks with firefox 58.0 and laterSource code released under MIT License
Version 1.7.1
Released Apr 12, 2026 - 238.91 KBWorks with firefox 58.0 and laterSource code released under MIT License
Version 1.6.5
Released Apr 3, 2026 - 83.57 KBWorks with firefox 58.0 and later- Added Telegram notifications
- Added notification testing
- Added survey completion tracking per site
- Improved notification reliability and idle detection
- Fixed currency conversion issues
- UI polish and performance improvements
Source code released under MIT License
Version 1.6.3
Released Mar 21, 2026 - 76.52 KBWorks with firefox 58.0 and laterFix currency conversion rates not updating for all source currenciesSource code released under MIT License
Version 1.6.2
Released Mar 21, 2026 - 76.37 KBWorks with firefox 58.0 and laterAdding auto reload setting and support for additional currencies.Source code released under MIT License
Version 1.6.1
Released Mar 17, 2026 - 48.19 KBWorks with firefox 58.0 and laterSource code released under MIT License