Paperlib: download ældre versioner

1. Migration: from cloud database to local database. by @geofferychen777
2. Migration: fix a bug for Windows. by @geofferychen777

1. Migration: from cloud database to local database. by @geofferychen777

1. Fix: tag links in the right panel don't work. by @geoffreychen777
2. Fix: folder context menu malfunctions. by @geoffreychen777
3. Fix: sort key bug. by @geoffreychen777
4. Fix: tags disappeared bug. by @geoffreychen777

1. Fix: a view bug of the table reader view. by @geoffreychen777
2. Fix: a network proxy and custom CA bug. by @geoffreychen777
3. Enhance: using online sync database when offline. by @geoffreychen777

1. Feat: import files via a file picker. by @lcandy2
2. Feat: fuzzy metadata scraping. by @geoffreychen777
3. Enhance: PDF download via browser extension. by @geoffreychen777
4. For Extension Developer: new API to delete UI slots. by @geoffreychen777

1. Fix: the linked folder icon bug. by @geoffreychen777
2. Enhance: the command bar behavior when pressing the Enter key. by @geoffreychen777

1. Feat: now you can combine multiple tags/folders/smartfilters by clicking on them while holding the Ctrl/CMD key. by @geoffreychen777
2. Feat: now you can drag a subfolder to the root folder. by @geoffreychen777
3. Fix: a bug when colorizing subfolders. by @geoffreychen777

1. Feat: now you can rename supplementary files. by @ZephyrZhang3, @geoffreychen777
2. Feat: add guidance for first time users. by @geoffreychen777
3. Feat: hide '' when display markdown notes. by @geoffreychen777
4. Fix: a bug when subscribing to ScienceDirect RSS. by @charlieJ107, @geoffreychen777
5. Fix: a bug when colorizing smartfilters. by @geoffreychen777

1. Now the sync backend supports the new flexible mode. (MongoDB Atlas will never support the previous 'partition' based sync anymore. This is an update for new users only.)
2. Fixed a searching bug in the tag/folder view.
3. Fixed the preference window overflow bug.
4. Fixed a bug when dragging a PDF onto a tag/folder directly.

1. Update the certificate for MS Word add-in.

1. Browser extension supports https://pubs.acs.org/ now.

1. Fixed a bug of the code repository scraper.
2. Fixed a bug of the smart filter.

1. New Feature: Smart Filter.
2. More colours for tags and folders.
3. Remember the window size.
4. Fix PDF quicklook for Windows.
5. Fix downloader delete button display bug. Thanks @qzydustin

1. Support fuzzy searching. For example, to search a paper with title like: Semi-supervised Classification via AABBCC, you can input "semi" / "semi sup" / "classi" / "semi classi" / "AA CC" etc. to the search bar.
2. Minor enhancement.

1. New Paperlib official metadata service and scraping logic which makes scraping faster and more stable.
2. New scrapers: PubMed.
3. Fixed a bug: Title including MathML will be scraped incorrectly.
4. Fixed a bug: Chrome extension to import papers on IEEE Xplore.
5. Fixed a bug: Multiselection by pressing ctrl/cmd.
6. Fixed some UI details and a typo.