v2.11.3

• Improved compatibilty with screen readers. Much thanks to Sofian Babai for reporting the problem and helping to solve it. The primary fix target was Windows+Thunderbird+NVDA, but if anyone finds any cases where the fix is incomplete, please describe the scenario in the Github issue for it.
• Fixed bug #223: Keyboard shortcut was not working in Gmail on Firefox.
• Added and updated translations:
  • Polish: LeahCim.
  • Portuguese (Brazilian): Erik Neves.
  • Chinese Traditional: Shen-Ta Hsiea.
  • Spanish: sergiolunagarcia and J. Ignacio Reta Sabarrós.
  • Japanese: danpansa.
  • Turkish: trblnc.
  • Chinese Simplified: Liu Cheng.
• TeX math support is now enabled by default (for new users). (Issue #213.)