Search
Copied from http://groups.drupal.org/node/10569:
This is a list of issues in the D7 issue queue that pertain to search. They've been vetted and confirmed to be real issues. They cover the entire spectrum, from advanced feature requests to bugs to theming issues. This is a great place to start your quest to make search in D7 a better thing.
These are the really important ones! Start here.
#246398: Path module should add URL alias to update index in nodapi
#282192: Pull custom search indexing into backend
#28325: Patch To Add User Profile Search
#70722: Search results should not expose private information
#111744: Exclude node types from search index
#42466: Optional Exclusion of Taxonomy Vocabulary from Advanced Search
#237747: search_menu places module name in path. Path segment should come from hook_search.
#115540: "no results" page not themeable
#155786: Ability to keep indexing beyond cron failures
#74562: Title of search Pages
#108100: Can't find results with underscores or hyphens
Nice to have or undecided
#257007: Use a filter chain for processing tokens during indexing and searching
#252211: Override creation of separate tab for other modules' invocation of hook_search
#247482: Add spelling suggestions to the "no search results found" page.
#233476: Add search by node creation date and the author
#79576: Indexing options for taxonomy
#172812: Implement taxonomy term search
#132700: Add scoring factor controls to advanced search form
#205202: Fix search index link handling for non-existent nodes
#22627: Showing result count and result range in search results
#84490: Exclude users never logged in from the search results
#244916: query_extract cannot handle phrases as field values
#73871: Sort search results by date
#242187: Cache search results
#236393: superadmin can search, users can not
#103548: Implement N-Gram searches
Search on partial words does not work (Most relevant comment by Steven and a counter-argument in favor of wildcard searching)
#239133: Multiple Search Tabs Per Module
#220167: Consolidate search block and search form theme function
#215735: Make advanced search a separate form on the page
#211141: Add default search result page when search request is empty
#201493: Add a search box to content management option
#205670: searching doesn't break on hyphens
#198973: USABILITY: Search field on User List (admin/user/user)
#155254: Search Content by Author
#160794: Search is spliting Indian Languages words inappropriatly. Highlights need for Lucene-like pipeline of analyzers and filters
#150375: Allow for synonym searching
#146278: USABILITY: search syntax help link
#144043: Restrict searches by author
#131559: Search of Javascript- and PHP-laden nodes returns unexpected, unthemed partial node data
#114233: Multisite enhancement for 'search.module'
#111415: Search Improperly strips out Category
#42092: Provide a autocomplete selection box on advanced search
#89871: How to remove data in a node's view from its search index
#493270: search_excerpt() doesn't work well with stemming
#511594: hook_search_preprocess needs to be language-specific
Done, Won't Fix, or Dupe
#150234: Spotlight search ability
#242048: Replace "blue smurf" in no search results message
#237754: search_index hardcodes boosts to html elements. Should be configurable.
#145242: refactor search node_rank with hook_node_rank scoring factors
#183080: Make user search optional
#166814: Change the number of results in search
#237757: Finding the nodes to be indexed should be a service to all modules
#225757: USABILITY BUG: Default search form cannot be removed via Themes global configuration if Search module deselected
#54622: Stop avoiding db_rewrite_sql() in node_search()
#146466: D6 search refactoring (backport to 5)