Update Changelog.

Changelog

@@ -1,4 +1,38 @@
 Unreleased - sledgehammer999 <sledgehammer999@qbittorrent.org> - v3.4.0
+    - FEATURE: New icon theme with SVG source, so we can scale it appropriately in the future. (Bert Verhelst)
+    - FEATURE: Drop Qt 4 support. Raise minimum Qt version to 5.5.1 (evsh)
+    - FEATURE: UI for managing locally banned IP list (dzmat)
+    - FEATURE: Support for specifying where to save/load config files. Support for portable mode. (evsh)
+    - FEATURE: It is now possible to pass options via ENV variables instead of cmd options. (evsh)
+    - FEATURE: Allow to strip subfolder in multifile torrents. (glassez, sledgehammer999)
+    - FEATURE: Allow cmd args to specify options when adding torrents. (Brian Kendall)
+    - FEATURE: Widget for showing filesystem paths while typing. Used in the Add New Torrent and Options dialogs. (evsh)
+    - FEATURE: Trackerlist: Allow to toggle columns (thalieht)
+    - FEATURE: Add availability column to torrent content model and torrent properties window (evsh)
+    - FEATURE: Implemented share limit by seeding time (naikel)
+    - FEATURE: Revamp Torrent creator (Chocobo1)
+    - FEATURE: Enable drag n drop to create torrent on mainwindow (Chocobo1)
+    - FEATURE: Add show/hide statusbar option (takiz)
+    - FEATURE: Show number of pieces. Closes #6774. (Chocobo1)
+    - FEATURE: Allow to select & delete multiple entries in "Manage Cookies" dialog (Chocobo1)
+    - FEATURE: Fetch Favicons via google as a final fallback (KingLucius)
+    - FEATURE: Add a Tags (multi-label) feature to the GUI. Closes #13. (tgregerson)
+    - FEATURE: Use the system icons for each file type in the Content tab (evsh)
+    - BUGFIX: Adjust icons names to better fit FDO scheme (evsh)
+    - BUGFIX: Optimized IP filter parsing, making blazingly fast (sledgehammer999, evsh)
+    - BUGFIX: Fix dialogs didn't position on the correct screen which qBittorrent window is on. Closes #1690, #2474, #3538. (Chocobo1)
+    - BUGFIX: Refactor and improve StatusBar (glassez)
+    - BUGFIX: Set expiration date for newly added cookie to +2 years from now, instead of +99 years. (Chocobo1)
+    - COSMETIC: Trackerlist: Set text alignment of columns with numbers to the right (thalieht)
+    - COSMETIC: Enable alternatingRowColors for "Manage Cookie" dialog (Chocobo1)
+    - WEBUI: Allow to load/use ECDSA certificate in webUI. (Chocobo1)
+    - SEARCH: Use explicit class for search plugin versions (evsh)
+    - SEARCH: Remove all search plugins from repo. There is another repo named 'search-plugins'. (sledgehammer999)
+    - SEARCH: Update the backend when a new plugin favicon is downloaded. (sledgehammer999)
+    - SEARCH: Drop python2 support. (sledgehammer999)
+    - RSS: Redesigned RSS subsystem (glassez)
+    - RSS: Do not use hardcoded colors in RSS feed view (evsh)
+    - OTHER: Use new classes/methods from libtorrent and stop using deprecate ones. (glassez)
 
 * Thu Jun 01 2017 - sledgehammer999 <sledgehammer999@qbittorrent.org> - v3.3.13
     - BUGFIX: Fixed UI glitch about torrent numbers in the sidepanel. Fixes #6454. (evsh)