Minor improvements

• Implement FocusIn/Out events.
• Finish implementing enable-clipboard-write.
• Document more OSC sequences.

Various bugfixes and minor features

• Document source code.
• Implement OSC 12 (text cursor color).
• io: buffer data when in background.
• io: add a hideOverlay helper.
• Report meta key too with CSI sequences.
• Handle drag & drop nicely.
• Stop mangling input from IMEs/etc...

More bugfixes

• Drop duplicate resize call.
• Fix console warning.
• Fix container matching logic wrt ascii & blink settings.
• Switch to Node constants.
• Update the embedding document.
• Restore cursor style after ringing the bell.

Bugfixes galore

• Fix replacing wide chars with narrow chars.
• Do not warn about unknown sequences by default.
• Avoid recalculating string display widths when possible.
• Move initial cursor location off screen again during startup.
• Fix processing of split ST sequences across buffers.
• Fix overlaying/inserting combining characters.

Improve Unicode handling

• Add ids to more internal elements for debugging.
• Disable drag & drop of text/content.
• Fix helper scripts/docs to use POSIX portable \033 instead of \e with printf.
• Drop support for old Chrome <21 versions with storage setup.
• Rewrite Unicode processing to avoid stripping combining characters.
• Make encoding state internal and add setEncoding callback to the API.
• Stop matching 8-bit control codes in utf8 mode.

Improve cursor positioning

• Add a pref for default terminal encoding.
• Add a helper/document for the new notification position.
• Switch cursor positioning to use CSS vars.

New feature polish, and robustify character maps

• Restore native pasting as a fallback for the open web.
• Change default G1 character map to US/ASCII.
• Change DECCKM mouse wheel events to default to off.
• Add support for DOCS for transitioning to UTF-8 (ESC+%).

New feature polish

• Open links on macOS via cmd+click.
• Fix URL opening for Chrome v2 apps.
• Support disabling DECCKM mouse wheel events.

New features & charater map improvements

• Fix wide char width handling and simplify in general via CSS vars.
• Use ES6 String.repeat to simplify char size measurements.
• Force height of all lines/chars to match to avoid glyphs drawing lines too high or low and making rendering overall inconsistent.
• Fix mouse move reporting (regression in hterm-1.65).
• Clarify modifiers in keyboard bindings.
• Invert touchscreen scrolling to match OS direction.
• Document hterm JS language (browser/runtime) requirements.
• Drop support for GR character maps (which have never actually worked).
• Add tests for hterm.VT.CharacterMap code.
• Clean up the hterm.VT.CharacterMap classes.
• Add reset & setOverrides helpers to hterm.VT.CharacterMap for customization.
• Add a new hterm.VT.CharacterMaps container class. API breakage warning: hterm.VT.CharacterMap.maps no longer exists. Any users of it will need to instantiate hterm.VT.CharacterMaps and use that API.
• Change mouse wheel scrolling when DECCKM is active to run only on the alt screen (and never the primary screen).
• Add support for custom notifications (iTerm2's OSC-9 and URxvt's OSC-777:notify module).
• Initial support for making virtual keyboards show up (for phones/tablets).
• Fix clicking of mailto: links.
• Fix ctrl+clicking in empty space (caused internal errors).
• Change Ctrl+V and Ctrl+Shift+V to invoke pasting directly instead of relying on the OS/browser to do so (makes macOS consistent).
• Include a terminal icon in all notifications.

New features & standards polish

• Use new lib.f.createEnum helper.
• Move from non-standard -webkit-flex CSS to standard flex names.
• Delay display of iframe dialog until it's finished loading. API breakage warning: Your app needs to transmit a terminal-info-ok message back after it has received & finished processing the terminal-info message.
• Fix CrOS OS detection with middle mouse pasting.
• Make word break selections into a user preference.
• Move from non-standard proto to standard Object.create/prototype.
• Add a sep option for pasting on mouse right click events.
• Move from non-standard MouseEvent.which to standard MouseEvent.button. API breakage warning: The mouse-paste-button option needs to be updated if it has been changed from the "auto" setting.
• Document keyboard bindings API & user settings.
• Make keyboard binding parsing more robust to bad inputs.
• Make keyboard bindings more flexible (mixed case and more button aliases).
• Change the mouse cursor based on mouse reporting mode (cursor<->text bar).
• Support mouse wheel scrolling when DECCKM is active by emitting up/down arrow key presses automatically.