4.0.0

 * refactor name token computation and introduce ICU tokenizer
   * name processing now happens in the indexer outside the DB
   * reorganizes abbreviation handling and moves it to the indexing phases
   * adds preprocessing of names
 * add country-specific ranking for Spain, Slovakia
 * partially switch to using SP-GIST indexes
 * better updating of dependent addresses for name changes in streets
 * remove unused/broken tables for external housenumbers
 * move external postcodes to CSV format and no longer save them in tables
   (adds support for postcodes for arbitrary countries)
 * remove postcode helper entries from placex (thanks @AntoJvlt)
 * change required format for TIGER data to CSV
 * move configuration of default languages from wiki into config file
 * expect customized configuration files in project directory by default
 * disable search API for reverse-only import (thanks @darkshredder)
 * port most of maintenance/import code to Python and remove PHP utils
 * add catch-up mode for replication
 * add updating of special phrases (thanks @AntoJvlt)
 * add support for special phrases in CSV files (thanks @AntoJvlt)
 * switch to case-independent matching between place and boundary names
 * remove disabling of reverse query parsing
 * minor tweaks to search algorithm to avoid more false positives
 * major overhaul of the administrator and developer documentation
 * add security disclosure policy
 * add testing of installation scripts via CI
 * drop support for Python < 3.6 and Postgresql < 9.5

3.7.2

 * fix database check for reverse-only imports
 * do not error out in status API result when import date is missing
 * add array_key_last function for PHP < 7.3 (thanks to @woodpeck)
 * fix more url when server name is unknown (thanks to @mogita)
 * commit changes to replication log table

3.7.1

 * fix smaller issues with special phrases import (thanks @AntoJvlt)
 * add index to speed up continued indexing during import
 * fix index on location_property_tiger(parent_place_id) (thanks @changpingc)
 * make sure Python code is backward-compatible with Python 3.5
 * various documentation fixes

3.7.0

 * switch to dotenv for configuration file
 * introduce 'make install' (reorganising most of the code)
 * introduce nominatim tool as replacement for various php scripts
 * introduce project directories and allow multiple installations from same build
 * clean up BDD tests: drop nose, reorganise step code
 * simplify test database for API BDD tests and autoinstall database
 * port most of the code for command-line tools to Python
   (thanks to @darkshredder and @AntoJvlt)
 * add tests for all tooling
 * replace pyosmium-get-changes with custom internal implementation using
   pyosmium
 * improve search for queries with housenumber and partial terms
 * add database versioning
 * use jinja2 for preprocessing SQL files
 * introduce automatic migrations
 * reverse fix preference of interpolations over housenumbers
 * parallelize indexing of postcodes
 * add non-key indexes to speed up housenumber + street searches
 * switch housenumber field in placex to save transliterated names

3.6.0

 * add full support for searching by and displaying of addr:* tags
 * improve address output for large-area objects
 * better use of country names from OSM data for search and display
 * better debug output for reverse call
 * add support for addr:place links without an place equivalent in OSM
 * improve finding postcodes with normalisation artefacts
 * batch object to index for rank 30, avoiding a wrap-around of transaction
   IDs in PostgreSQL
 * introduce dynamic address rank computation for administrative boundaries
   depending on linked objects and their place in the admin level hierarchy
 * add country-specific address ranking for Indonesia, Russia, Belgium and
   the Netherlands (thanks @hendrikmoree)
 * make sure wikidata/wikipedia tags are imported for all styles
 * make POIs searchable by name and housenumber (thanks @joy-yyd)
 * reverse geocoding now ignores places without an address rank (rivers etc.)
 * installation of a webserver is no longer mandatory, for development
   use the php internal webserver via 'make serve
 * reduce the influence of place nodes in addresses
 * drop support for the unspecific is_in tag
 * various minor tweaks to supplied styles
 * move HTML web frontend into its own project
 * move scripts for processing external data sources into separate directories
 * introduce separate configuration for website (thanks @krahulreddy)
 * update documentation, in particular, clean up development docs
 * update osm2pgsql to 1.4.0

3.5.2

 * ensure that wikipedia tags are imported for all styles
 * reinstate verbosity for indexing during updates
 * make house number reappear in display name on named POIs
 * introduce batch processing in indexer to avoid transaction ID overrun
 * increase splitting for large geometries to improve indexing speed
 * remove deprecated get_magic_quotes_gpc() function
 * make sure that all postcodes have an entry in word and are thus searchable
 * remove use of ST_Covers in conjunction woth ST_Intersects,
   causes bad query planning and slow updates in Postgis3
 * update osm2pgsql

3.5.1

 * disable jit and parallel processing in PostgreSQL for osm2pgsql
 * update libosmium to 2.15.6 (fixes an issue with processing hanging
   on large multipolygons)

3.5.0

 * structured select on HTML search page
 * new PHP Nominatim\Shell class to wrap shell escaping
 * remove polygon parameter from all API calls
 * improve handling of postcode areas
 * reorganise place linking algorithm, now using wikidata tag as well
 * remove linkees from search_name and larger_area tables
 * introduce country-specific address ranks
 * reorganise rank address computation
 * cleanup of partition function
 * improve parenting for large POIs
 * add support for Postgresql 12 and Postgis 3
 * add earlier cleanup when --drop is given, to reduce memory usage
 * remove use of place_id in URLs
 * replace C nominatim indexer with a simpler Python implementation
 * split up the huge sql/functions.sql file
 * move osm2pgsql tests to osm2pgsql
 * add new extratags style which imports all tags from OSM
 * add new script for checking the import after completion
 * update osm2pgsql, reducing memory usage
 * use new wikipedia importance and add processing of wikidata tags
 * add search form for details page
 * use ExtraDataPath for country_grid table
 * remove short_name from list of names to be displayed
 * split up CMakeFile, so that all parts can be built separately
 * update installation instructions for CentOS and Ubuntu
 * add script for importing/updating multiple country extracts
 * various documentation improvements

3.4.2

 * fix security bug in /details endpoint where user input was not
   properly sanitized

3.4.1

 * update osm2pgsql to fix hans during updates and lost address numbers
   during updates

3.4.0

 * increase required version for PostgreSQL(9.3), PostGIS(2.2) and PHP(7.0)
 * better error reporting for out-of-memory errors
 * exclude postcode ranges separated by colon from centre point calculation
 * update osm2pgsql, better handling of imports without flatnode file
 * switch to more efficient algorithm for word set computation
 * use only boundries for country and state parts of addresses
 * improve updates of addresses with housenumbers and interpolations
 * remove country from place_addressline table and use country_code instead
 * optimise indexes on search_name partition tables
 * improve searching of attached streets for large objects like airports
 * drop support for python 2
 * new scripts for importing Wikidata for importance
 * create and drop indexes concurrently to not clash with auto vacuum
 * various documentation improvements


3.3.0

 * zoom 17 in reverse now zooms in on minor streets
 * fix use of postcode relations in address
 * support for housenumber 0 on interpolations
 * replace database abstraction DB with PDO and switch to using exceptions
 * exclude line features at rank 30 from reverse geocoding
 * remove self-reference and country from place_addressline
 * make json output more readable (less escaping)
 * update conversion scripts for postcodes
 * scripts in utils/ are no longer executable (always use scripts in build dir)
 * remove Natural Earth country fallback (OSM is complete enough)
 * make rank assignments configurable
 * allow accept languages with underscore
 * new reverse-only import mode (without search index table)
 * rely on boundaries only for states and countries
 * update osm2pgsql, now using a configurable style
 * provide multiple import styles
 * improve search when house number and postcodes are dropped
 * overhaul of setup code
 * add support for PHPUnit 6
 * update test database
 * various documentation improvements

3.2.0

 * complete rewrite of reverse search algorithm
 * add new geojson and geocodejson output formats
 * add simple export script to exprot addresses to CSV
 * remove is_in terms from address computation
 * remove unused search_name_country tables
 * various smaller fixes to query parsing
 * convert Tokens and token types to class types
 * correctly handle update when boundary object type is changed
 * improve debug output for /search endpoint
 * update to latest osm2pgsql and leaflet.js
 * overhaul of /details endpoint:
     * new class parameter when using osmtype/osmid parameters
     * permalink to instance-independent osmtype/osmid parameter format
     * new json output format
 * update CentOS vagrant machine to use SELinux
 * add vagrant scripts for Ubuntu 18.04
 * fix build process for BSD
 * enable running the database on a different host than the setup scripts
 * allow to configure use of custom PHP binaries (PHP_BIN)
 * extensive coding style improvements to PHP code
 * more PHP unit tests for new classes
 * increase coverage for API tests
 * add documentation for API

3.1.0

 * rework postcode handling and introduce location_postcode table
 * make setup less verbose and print a summary in the end
 * setup: error out when web site user does not exist
 * add more API tests to complete code coverage
 * reinstate key-value amenity search (special term [key=value])
 * fix detection of coordinates in query
 * various smaller tweaks to ranking of search interpretations
 * complete overhaul of PHP frontend code using OOP
 * add address rank to details page
 * update Tiger scripts for 2017 data and clean up unused code
 * various bug fixes and improvements to UI
 * improve reverse geocoding performance close to coasts
 * more PHP style cleanup (quoting)
 * allow unnamed road in reverse geocoding to avoid too far off results
 * add function to recalculate counts for full-word search term
 * add function to check if new updates are available
 * update documentation and switch to mkdocs for generating HTML

3.0.1

 * fix bug in geometry building algorithm in osm2pgsql
 * fix typos in build instructions

3.0.0

 * move to cmake build system
 * various fixes to HTML output
 * reverse endpoint now can return geometries
 * add support for PHP7
 * move to on-the-fly computation of interpolations
 * improve handling of linked places (updating)
 * improve test framework:
    * replace lettuce with behave
    * use smaller database for API tests
 * drop support for postgres < 9.1, postgis < 2.0 and PHP < 5.4
 * make external data use optional (useful for imports without US)
 * detect postgres and postgis versions automatically
 * clean up query logging and remove unused tables
 * move installation documentation into this repo
 * add self-documenting vagrant scripts
 * remove --create-website, recommend to use website directory in build
 * add accessor functions for URL parameters and improve erro checking
 * remove IP blocking and rate-limiting code
 * enable CI via travis
 * reformatting for more consistent coding style
 * make country search term creation part of setup
 * update country names and country grid
 * handle roads that cross boundaries better
 * keep full information on address tags
 * update to refactored osm2pgsql which use libosmium based types
 * switch from osmosis to pyosmium for updates
 * be more strict when matching against special search terms
 * handle postcode entries with mutliple values correctly

2.5

 * reverse geocoding includes looking up housenumbers from Tiger data
 * added parameter to return simplified geometries
 * new lookup call for getting address information for OSM objects
 * new namedetails and extratags parameters that expose the name and extratags
   fields of the placex table
 * mobile website
 * reverse web view

2.4

 * drop support for postgres 8.4
 * rewrite address interpolation
 * switch to C++ version of osm2pgsql and rewrite tag filtering
 * support for bridge:name and tunnel:name, man_made, junction
 * drop way-node index (reduces database size by about 15%)
 * add support for configuring tablespaces and webserver user
 * better evaluation of search queries in right-to-left notation
 * improve house number search for streets with many duplicate entries
 * code cleanup (remove unused functions and tables)

2.3

 * further improve ordering of results
 * support for more lat/lon formats in search-as-reverse
 * fix handling of GB postcodes
 * new functional test suite
 * support for waterway relations
 * inherit postcodes from street to poi
 * fix housenumber normalisation to find non-latin house numbers
 * take viewbox into account for ordering of results
 * pois may now inherit address tags from surrounding buildings
 * improve what objects may participate in an address
 * clean up handled class/type combinations to current OSM usage
 * lots of bug fixes

2.2

 * correct database rights for www-data
 * add timestamps for update output
 * load postgis via extension for postgis >= 2.0
 * remove non-admin boundaries from addresses
 * further improve ordering of results with same importance
 * merge addr:postcode tags into object addresses
 * include rank and importance in reverse geocode output
 * replace ST_Line_Interpolate_Point with ST_LineInterpolatePoint
  (for postgis >= 2.1)
 * update osm2pgsql to latest version
 * properly detect changes of admin_level
 * remove landuses when name is removed
 * smaller fixes

2.1

 * update to openlayers 2.12 (now custom built)
 * update fallback OSM boundaries
 * add support for postgresql 9.2/9.3 and postgis 2.x
 * add structured queries
 * add options for polygon output in various formats
   (geojson, svg, kml, postgis text)
 * maintenance functions for deleting objects and updating regions
   (plcae_force_update/place_force_delete)
 * web view for polygons that need deleting
 * rate limiting using memcache
 * improve layout of details page
 * add support for boundary:postal_code
 * full CORS support
 * improve parenting of POIs
 * support for extract daily diffs from Geofabrik
 * support for addresses without a street
   (addr:place and conscription number house numbers)
 * improve layout of word and search_name_* tables
 * support for US ZIP+4 codes
 * refactoring of front-end PHP code
 * lots of smaller bug fixes

2.0.1

 * delete outdated entries from location_area_country
 * remove remaining uses of INTEGER, to allow node ids larger than 2^31
