1.6.0

• [fix] Make ETag header comply with standard. (#2603)
• [feature] Loading client script on demand. (#2567)
• [test] Fix leaking clientSocket (#2721)
• [feature] Add support for all event emitter methods (#2601)
• [chore] Update year to 2016 (#2456)
• [feature] Add support for socket middleware (#2306)
• [feature] add support for Server#close(callback) (#2748)
• [fix] Don't drop query variables on handshake (#2745)
• [example] Add disconnection/reconnection logs to the chat example (#2675)
• [perf] Minor code optimizations (#2219)
• [chore] Bump debug to version 2.3.3 (#2754)
• [chore] Bump engine.io to version 1.8.0 (#2755)
• [chore] Bump socket.io-adapter to version 0.5.0 (#2756)

1.5.1

• [fix] Avoid swallowing exceptions thrown by user event handlers (#2682)
• [test] Use client function to unify client in test script (#2731)
• [docs] Add link to LICENSE (#2221)
• [docs] Fix JSDoc of optional parameters (#2465)
• [docs] Fix typo (#2724)
• [docs] Link readme npm package badge to npm registry page (#2612)
• [docs] Minor fixes (#2526)
• [chore] Bump socket.io-parser to 2.3.0 (#2730)
• [chore] Add Github issue and PR templates (#2733)
• [chore] Bump engine.io to 1.7.2 (#2729)
• [chore] Bump socket.io-parser to 2.3.1 (#2734)

1.5.0

• [feature] stop append /# before id when no namespace (#2509)
• [feature] Add a 'disconnecting' event to access to socket.rooms upon disconnection (#2332)
• [fix] Fix query string management (#2422)
• [fix] add quote to exec paths, prevent error when spaces in path (#2508)
• [docs] Prevent mixup for new programmers (#2599)
• [example] Fix chat display in Firefox (#2477)
• [chore] Add gulp & babel in the build process (#2471)
• [chore] Bump engine.io to 1.7.0 (#2707)
• [chore] Remove unused zuul-ngrok dependency (#2708)
• [chore] Point towards current master of socket.io-client (#2710)
• [chore] Restrict files included in npm package (#2709)
• [chore] Link build badge to master branch (#2549)