Edit default values directly in table creation
Offer enum and set items in search - whisperer
Use event $intervals + microseconds in relative date functions
-Ability to select external style - list downloaded by JavaScript
-Table list cache - SHOW TABLE STATUS is slow with big InnoDB tables
+Table status cache - SHOW TABLE STATUS is slow with big InnoDB tables
Download external files (version checker and JUSH) from trusted HTTPS if Adminer runs in HTTPS (mixed-content warning)
+? Ability to select external style - list downloaded by JavaScript
? Column and table names auto-completition in SQL textarea
? Save token also to cookie - for session expiration and login in other window
? Save uploaded files after error to session variable instead of hidden field
? Aliasing of built-in functions can save 7 KB, substitution of $_GET and friends can save 2 KB, remove of base64_decode() + using chars 127-255 in minification can save 1 KB, JS packer can save 1 KB
? AJAX editing - select page has all data to display edit form
+
+Editor:
+Choose columns hidden in select
+Restrict column selection in select to aggregation functions by index
+JavaScript data validation
+Joining tables - PRIMARY KEY (table, joining)
+Simplify search - textual, from-to
+Rank, Tree structure
+Treat tinyint(1) as bool