Minecraft wiki entry for Development_versions, associated text: MC-101233 – Burned out redstone torch map causes memory leak.
MC-133169 – Couldn't find glyph for character Ʞ (\ua7b0).
MC-134124 – Cyrillic Ү and ү characters are not displayed properly.
MC-145132 – "ĝ" character is missing a pixel
MC-146931 – Certain letters in Upside Down English do not use the correct font.