Changelog

This release adds per-account control over the master toggle, along with badge display fixes and UI improvements.

Features

• Account-level master toggle: You can now configure the extension to turn off or on when you switch YouTube accounts. This is great if you’ve got a dedicated Japanese account or have other accounts where you don’t want to see Japanese recommendations, like if you’re studying another language at the same time. (thanks to Aurora Wright on Discord)

Fixes

• Auto-dubbed badge visibility: ‘Auto-dubbed’ badges are now correctly hidden when the extension is toggled off
• JLPT badge styling on mobile: Styling of JLPT badges on mobile improved
• JLPT badge spacing: Spacing of JLPT badges on channel and search results improved

Misc

• JLPT ordering: JLPT is now always ordered N5 to N1 in the UI

This release adds a new JLPT box displayed below videos, showing WPM and vocabulary distribution data, along with several fixes and improvements.

Features

• JLPT box below videos: A new JLPT box is now displayed below videos, showing WPM and vocabulary distribution data to help gauge video difficulty

Fixes

• Auto-dubbed badge hiding: ‘Auto-dubbed’ badges are now automatically hidden again

Misc

• Middle-click links: Links in the popup can now be opened via middle-click
• Welcome page light mode: Improved light mode support for the welcome page

Style fixes for JLPT features and the recommendation shelf.

Fixes

• JLPT features & recommendation shelf: Style fixes for JLPT features and the recommendation shelf

Misc

• YouTube stylesheet independence: Reduced reliance on YouTube style sheets to prevent future style issues

This release adds watch time to the extension tray icon, a new dedicated settings page, popup improvements, and several bug fixes.

Features

• Watch time in tray icon: Watch time now appears directly in the extension tray icon, saving you from having to open the popup to check your daily watch time

Fixes

• Cache settings fix: Clearing browser cache no longer breaks settings (thanks to 浪漫中金 on Discord)
• Playback speed tracking: Watch time now correctly handles different playback speeds

Misc

• New settings page: A dedicated settings page has been added to support more settings in future
• Popup improvements: Touched up appearance of links in the extension popup
• Video duration overlay: Video duration is now shown on thumbnails in the watch time stats page

This release adds 5 new recommended channels, Russian system UI localisation, the ability to modify JLPT levels in watch time statistics, a brand new welcome page, and various refinements to recommended channels.

Features

• 5 new recommended channels: More curated Japanese channels added to the home page
• Russian system UI: The extension UI is now available in Russian
• Modifiable watch time JLPT levels: JLPT levels in watch time statistics can now be changed by hand

Fixes

• JLPT level badges: JLPT level badges now look normal again

Misc

• New welcome page: A brand new welcome page for first-time installs
• Updated channel descriptions: Recommended channel descriptions have been touched up
• Removed Yukachan: Removed from recommended channels following news that her channel will be shut down

This release fixes filtering and JLPT estimate badges on side bar recommendations, which had broken following recent changes to YouTube.

Fixes

• Side bar filtering: Filtering on side bar recommendations is working again following changes to YouTube
• Side bar JLPT badges: JLPT estimate badges on side bar recommendations are back following changes to YouTube

This release adds mobile support across Chromium browsers, bringing the NihongoTube experience to mobile users beyond Firefox for Android. Such Chromium browsers that support extensions on mobile include Microsoft Edge Canary, Quetta Browser and Kiwi Browser.

On iOS? This should work on iOS supported Chromium browsers such as Orion too!

Features

• Mobile support on Chromium browsers: Added mobile support across Chromium browsers

Fixes

• Watch time metrics on mobile: Watch time metrics now working on mobile
• Watch time metrics page: Improvements to the watch time metrics page on mobile
• JLPT badges on mobile: JLPT badges now have their backgrounds again on mobile

This release delivers a significant performance improvement to the general extension experience.

Performance

• 150% performance boost: Boosted general performance by 150%

This release introduces new watch time metrics designed to help you track your Japanese immersion progress more effectively.

New Features

• Watch time metrics: Added new watch time metrics for immersion tracking

Bug Fixes

• JLPT badge alignment: Improved alignment of JLPT level badge on side videos

This release brings the ability to submit feedback on JLPT level estimates. Like the estimate? Hit the thumbs up button. Otherwise, using the thumbs down button lets you modify the level, submitting it and saving it locally for you to use and see.

This helps us to understand which estimates are doing well and which ones are lacking. All of which can help future estimates improve!

New Features

• JLPT feedback: Submit JLPT level feedback on any video

Fix for home & sub page video alignment following a change to YouTube.

Bug Fixes

• Video alignment: Corrected home & sub page video alignment following a YouTube change

Fix for JLPT estimation following a change to YouTube.

Bug Fixes

• JLPT estimation: Fixed JLPT level estimation following a change to YouTube

New recommended channels added and improvements to JLPT level estimation.

New Features

• Recommended channels: Added 10+ new recommended channels to help you discover Japanese content

Bug Fixes

• JLPT level estimation: Improvements to JLPT level estimation accuracy

Fix for channel data retrieval and addition of uninstall feedback form to guide future development.

Bug Fixes

• Channel data retrieval: Fixed issue with retrieving channel information

Miscellaneous

• Uninstall feedback: Added feedback form on uninstall to help guide future development decisions

Critical fix for JLPT estimation following YouTube changes, plus improved handling for extension updates.

Bug Fixes

• JLPT estimation: Fixed JLPT level estimation following changes to YouTube’s internal systems
• Extension updates: Improved first install & update handling for already open YouTube tabs

Enjoy native Japanese audio automatically with this update, plus visual improvements to recommended channels.

New Features

• Automatic native Japanese audio track selection: No more dubs! NihongoTube now automatically selects the Japanese audio track when available (desktop only)

Bug Fixes

• Recommended channels: Borders on recommended channels are back!

Introducing channel whitelisting to bypass filtering, plus important bug fixes for stability.

New Features

• Channel whitelist: New feature to bypass filtering for specific channels!

Bug Fixes

• Mobile settings: Resized mobile settings popup to improve usability
• Channel pages: Fixed potential infinite loop (freeze) on channel pages
• Featured videos: Updated filtering for new channel page featured video format

JLPT estimates now available on channel pages, with performance improvements and bug fixes.

New Features

• JLPT estimates on channel pages: View estimated JLPT levels directly on channel pages!

Improvements

• Performance: Reduced network calls for better performance
• Channel whitelist preparation: Internal prep work for upcoming channel whitelist feature

Bug Fixes

• Recommended channels: Corrected channel link in recommended channels

Enhanced recommended channels with subtitle information and introduced crowdsourced JLPT backup.

New Features

• Subtitle information: Recommended channels now show subtitle availability
• JLPT crowdsourcing: JLPT estimates now backed up via anonymous crowdsourcing to protect against future YouTube changes (opt-out available in settings)

JLPT estimates are working again after resolving transcript issues, plus new toggle control.

New Features

• JLPT badge toggle: JLPT estimate badges can now be toggled on/off in settings

Bug Fixes

• JLPT estimates: Fixed transcript download issue that was preventing JLPT estimates from working

Filter recommended channels by JLPT level, plus 30+ new channels and multiple stability improvements.

New Features

• JLPT filtering for channels: Recommended channels can now be filtered by JLPT level
• New channels: Added 30+ new recommended channels

Bug Fixes

• Network error handling: Improved error handling for JLPT level estimates
• JLPT tuning: Further JLPT level estimate tuning focused on political content
• Window resize: Fixed rare freeze related to window size changes on video pages
• YouTube Studio: Explicitly excluded studio.youtube.com from filtering

Better subtitle visibility and improved settings organization with update notifications.

New Features

• Auto-generated subtitle distinction: New toggleable setting to distinguish auto-generated subtitles
• Update notifications: Added update notification to inform users of changes
• Settings tabs: Added tabs to the popup to better organize settings

System UI now supports Hindi, plus important fixes for video previews and stability.

New Features

• Hindi support: Added system UI support for Hindi

Bug Fixes

• Video previews: Resolved issue with video preview playback on home/subs pages
• Channel navigation: Fixed potential freeze on channel navigation
• Empty shelves: Empty video shelf notification is now more reliable

The extension icon now reflects the toggle state, with improved JLPT accuracy and multiple bug fixes.

New Features

• Dynamic icon: System icon now toggles based on master switch state
• New channels: Added 5 new recommended channels

Bug Fixes

• JLPT accuracy: Expanded word dataset to improve level estimate accuracy
• N5 tuning: Added weighting for repetition to tune JLPT level estimates on N5 videos
• Short videos: Adjusted JLPT level weighting for short videos mismarked as N5
• Comment reveal: Guard against the comment reveal button duplicating
• Channel filtering: Improvements to channel filtering during channel navigation
• Metrics: Metric saving now works again

NihongoTube is now available on Firefox for Android! Plus JLPT improvements and multiple bug fixes.

New Features

• Mobile support: Firefox for Android now fully supported!
• JLPT unavailable indicator: Added an indicator when JLPT level is unavailable

Bug Fixes

• JLPT tuning: Improved JLPT level estimates in the N3-N5 bracket
• Sidebar filtering: Updated filtering for movie and new short format in video sidebar
• Subscription page: Fixed subscription page filtering toggle
• Channel navigation: Resolved bug in channel filtering via navigation
• JLPT UI: Fixed issue with JLPT level UI duplicating on videos

Major release adding Chinese and Japanese UI support, with auto-navigation prevention and performance improvements.

New Features

• Chinese & Japanese UI: System UI language support for Chinese & Japanese added!
• Auto-navigation prevention: Filtering now stops end-of-video auto-navigation if the target video is not Japanese

Improvements

• Untranslation performance: Improved speed for untranslation layer by 6x

Bug Fixes

• Search JLPT: Fixed search result JLPT level correctly readded after back navigation

Support for localized store listings to better serve international users.

Improvements

• Localization: Added support for localized store listings

Major expansion of JLPT level display to home and subscription pages, with accuracy improvements.

New Features

• JLPT on home & subs: JLPT level now displayed on the home & subscription page!

Improvements

• Caching: Improved caching for better performance over long sessions

Bug Fixes

• JLPT accuracy: Tweaks to improve JLPT level estimate accuracy
• Untranslation: Untranslate video titles to improve filtering accuracy

JLPT levels now appear on video sidebar recommendations, plus Discord community link.

New Features

• JLPT on sidebar: JLPT level now shown on video sidebar recommendations!
• Discord link: Added a link to our Discord in the settings popup

Bug Fixes

• JLPT accuracy: Improvements to JLPT level accuracy
• Settings toggle: Improvements to settings toggle behaviour

Filtering now covers auto-generated channels, with endscreen layout updates and extensive internal improvements.

New Features

• Auto-generated channels: Filtering now applied to auto-generated channels!

Bug Fixes

• Endscreen filtering: Updated endscreen filtering following new YouTube layout
• False positive: Fixed filtering false-positive with fypシ hashtag

Improvements

• Internal rewrite: Extensive rewrite to enable more cool features to come

Added refresh button for channel recommendations, with performance improvements and bug fixes.

New Features

• Refresh button: Added a refresh button to channel recommendations

Bug Fixes

• Settings button: Removed ‘open settings’ button from explore notification
• Channel filtering: Fixed channel video filtering following changes in v1.7.0
• Performance: Various extension performance and error handling improvements

Reveal hidden search results on demand, with dramatically improved page load times and welcome page.

New Features

• Reveal button: Button added to reveal hidden search results
• Welcome page: Added an on-install welcome page

Improvements

• Page load times: Improved by 2.5x!

Bug Fixes

• Playlist filtering: Playlists are now filtered on the search page
• Empty shelves: Empty content shelves are now filtered on the search page
• Kaomoji detection: Resolved edge case in Japanese language detection involving kaomoji

Filtering now covers search results, plus JLPT tuning and performance improvements.

New Features

• Search filtering: Added filtering for search results!

Bug Fixes

• JLPT tuning: More JLPT level estimation tuning

Improvements

• Performance: Various performance improvements

JLPT estimates now appear on search results, with new recommended channels and Ko-fi support.

New Features

• JLPT on search: JLPT level estimates now appear on search results
• New channels: Added 4 new recommended channels
• Ko-fi button: Added Ko-fi support button

Bug Fixes

• JLPT music tuning: JLPT level estimation tuning for music
• Firefox JLPT: JLPT level estimate now correctly appears on Firefox

Minor fix for the reveal comment button in light mode.

Bug Fixes

• Light mode: ‘Reveal comment’ button now uses correct highlight colour in light mode

New button to reveal filtered comments, plus stability improvements.

New Features

• Reveal comments: Added a ‘reveal comments’ button to show filtered comments

Bug Fixes

• Transcript warning: Addressed a known warning associated with loading video transcripts
• Reload handling: Reload handling improvements

Quick fix for menu color consistency on Firefox.

Bug Fixes

• Firefox colors: Corrected menu colours on Firefox

Introducing JLPT level estimates on videos to help you find content at your learning level.

New Features

• JLPT estimates: Videos now display an estimated JLPT level

Added new recommended channels with improved filtering deactivation behavior.

New Features

• New channels: Added 3 new recommended channels

Bug Fixes

• Navigation: Improved how filtering deactivates on page navigation

Visual fix for video alignment on key pages.

Bug Fixes

• Video alignment: Fixed alignment of videos on the home & subscription page

Updated filtering for subscription page following YouTube changes.

Bug Fixes

• Subscription filtering: Fixed filtering for subscription page following YouTube update

Updated filtering for home and related pages following YouTube changes.

Bug Fixes

• Home filtering: Fixed filtering for home and related pages following YouTube update

Major feature update adding recommended Japanese channels and channel page filtering.

New Features

• Recommended channels: Added recommended Japanese channels to home page
• Channel home filtering: Added channel home page filtering
• Channel shorts filtering: Added channel shorts page filtering

Bug Fixes

• False positive: Addressed false positive with ‘#fypシ゚’
• Shorts containers: Empty shorts containers are now properly hidden
• Notification hiding: No content notification on channel video section now hides after toggle off
• Back navigation: Navigating backwards to a channel now reapplies filtering