Things noted for possible bugs and glitches:
- The search bar, messages button, my stuff button, and user dropdown menu on the navigation bar may not be accurate because shorter/longer usernames affect how long the search bar is.
- The comments text box may be buggy because it changes size depending on whether or not a project is in a studio or has been remixed.

Things this can detect:
Things this can detect(As a summary and for TL;DR):
- Whether or not a user is in the editor in fullscreen mode, editor tab, loved or favorited the project, and whether or not the stage setting is set to big or small.
- Buttons on the project page, including buttons in the navigation bar and buttons surrounding the project view(such as the green flag or the copy link button).
- Buttons at or near the top of the comments section
- Buttons in the editor, including sprites, block categories, and buttons in the editor's navigation bar

List of all things that this detector can detect:
Navigation bar:
1. Scratch logo
2. Create
3. Explore
4. Ideas
5. About
6. Search Button
7. (Username length dependent: May be buggy) Search Bar
8. (Username length dependent: May be buggy) Messages button
9. (Username length dependent: May be buggy) My Stuff button

Project page:
1. Green flag
2. Stop sign
3. Full screen button
4. Love button
5. Favorite button
6. Remixes display
7. Views display
8. Date (when this project was shared)
9. Report button
10. Add to studio button
11. Copy link button
12. Remix button
13. See inside button
14. Instructions header
15. Instructions box
16. Notes and Credits header
17. Notes and credits section

Comments section:
1. Your profile picture
2. Comments box
3. Post button
4. Cancel button
5. Character detector
6. Comments (heading for comments section)

Remixes/Studios Section:
1. Remixes/Studios header
2. View All button
3. Thumbnail of a remix or studio
4. Link to a remix or studio

Editor:
1. See project page button
2. My stuff button
3. Username dropdown menu
4. Green Flag
5. Stop sign
6. Small stage button
7. Big stage button
8. Full screen button
9. Code, Costumes/Backdrops, and Sounds tab
10. All block categories(excluding extensions), including Motion, Looks, Sound, Events, Control, Sensing, Operators, Variables/Lists, and My Blocks(Custom blocks).
11. Sprite buttons 1-5.

Update log:


To-Do for update log:
v1.25 (January 22/23, 2021):
- Added detectors for all vector tool buttons and the convert to bitmap buttons.
- Added a bitmap/vector detector.
- Changed the name of the stage size detector from “small/big stage” to “stage_size” to make space for detectors that would be available in future updates.
- Added a system that would hide or show certain detector (variable) displays depending on whether or not the editor detector is set to true or false.
- Fixed a bug where all button detectors in the editor were not detected correctly

Miscellaneous update (Doesn't really count as an update) (January 17, 2021): Added a to-do list in the project editor so everyone can see what future updates for this detector will be like. Also converted most detector displays from vector to bitmap to reduce project loading time.

v1.2 (January 16, 2021): Added detection for the messages button, my stuff button, comments header, and username dropdown menu(navigation bar). Improved the post, cancel button, instructions, and notes and credits, and fullscreen detectors. Added Instructions header, Notes and Credits header, remixes, views, date, add to studio, and copy link button detectors. Also added Scratch Logo(editor), File, Edit, Tutorials, remixes/or Studios header, character detector(comments section), view all button Code, Costumes/Backdrops, Sounds, editor tabs, small/big stage, and all block category button detectors in the editor. Added a sprite button detector, which can be adjusted with the “# of sprites” slider.

v1.1 (January 15, 2021): Added detection for the profile picture(in comments section), the comment box, post button, cancel button, my stuff button(in editor), title(of project), and username dropdown menu(in editor). Improved editor detector. Fixed a bug that prevented any of the navigation bar buttons from being detected. Redesigned the (nothing) when you are not hovering over a button. Improved the love/favorite system in the project. Added a fullscreen detector.

v1.0 (January 14, 2021): Project released. Includes some buttons from Scratch's navigation bar.

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I'm developing a game that uses this detector… X)

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