Typing [tag:.] freezes live answer/question preview
134336
Preview Breaks with Invalid Tag Name [tag:+]
143563
Multiple tag search using OR operator broken for logged out users
113124
Answer Layout Bug in IE9/Chrome - Footer Encapsulated In Code Block
33552
How do I identify the source of a "Tag times protected" error?
27324
Rich Snippets not working (and working at the same time?)
125665
Bug with tags with plus in name
15939
Quoted headings are rendered properly on preview but not when posted
46020
Automatically determine tags while writing a question
149278
character "5" repeated in text fields, and system freezes
114380
Question and answer not readable
114125
Vertical alignment of tags differs between Ask page and inline tag editor
104856
Can we burninate the [restrict*] tags?
67859
CommonMark regression: image embed exclamation sign syntax broken after  tag
85494
Loader issue with inline tag editing
6141
Display Tag Excerpt tooltips when editing a question
150177
Accessing extended tag info is almost impossible
23805
jQuery autocomplete tagging plug-in like StackOverflow's input tags?