Browser bugs

Chrome

• Overlapping letters disappear on GPU-canvas http://code.google.com/p/chromium/issues/detail?id=86621
• slow rendering time on GPU-canvas http://code.google.com/p/chromium/issues/detail?id=86287
• rotated text non-uniform font-weight http://code.google.com/p/chromium/issues/detail?id=85984
• rewrite Font::drawGlyphs for Skia on Chrome ports https://bugs.webkit.org/show_bug.cgi?id=62989
• Skia vertex buffer cache is missing frequently http://code.google.com/p/chromium/issues/detail?id=86490
• WONTFIX antialiased paths are overtesselated in Skia http://code.google.com/p/chromium/issues/detail?id=86488
• FIXED broken antialiasing http://code.google.com/p/chromium/issues/detail?id=85762
• FIXED webkit - text opacity https://bugs.webkit.org/show_bug.cgi?id=62988
• FIXED text opacity http://code.google.com/p/chromium/issues/detail?id=85725

Safari / Windows

Looks like Safari doesn't have public bug tracker. To send another, select "Report to Apple" in browser menu.

• rotated text non-uniform font-weight (test case) http://osmosnimki.ru/kothic/text-rotate

Opera / Windows

Opera doesn't seem to have public bug tracker. To report a problem with a web site, go to Menu - Help - Report a Site Problem.

• Opera 11.5 labs with OpenGL acceleration (build 24661) - broken canvas antialiasing;
• Opera 11.5 beta build 1040 - text for some labels is blurry.

Firefox

• Slow text rendering https://bugzilla.mozilla.org/show_bug.cgi?id=527386

Internet Explorer 10

• bad charset (cp1251 instead of utf-8) https://connect.microsoft.com/IE/feedback/details/676961/kothic-org-js-wrong-map-character-set-if-tiles-served-from-cache

Test cases

Want to check whether your browser has one of those issues?

• canvas rotated text non-uniform font-weight test case http://osmosnimki.ru/kothic/text-rotate
• non-canvas webkit-only rotated text non-uniform font-weight test case http://osmosnimki.ru/kothic/text-rotate-nocanvas
• globalAlpha based text opacity http://osmosnimki.ru/kothic/text-opacity