Version 4.0.1

Bug fixes:

• Fix per-query hypothetical index checking for remote servers (Julien Rouhaud, thanks to github user hrawulwa)

Version 4.0.0

New features:

• Make the UI compatible with remote-mode setup (Julien Rouhaud)
• Query and display powa-collector information (Julien Rouhaud)
• Expose system cache hit / disk read metrics on global and per-database pages (Julien Rouhaud)
• Expose new metrics added in pg_stat_kcache 2.1 (page faults, context
  switches...) on global, per-database and per-query pages (Julien Rouhaud)
• Add wait events graphs on global and per-database pages (Julien Rouhaud)
• Add queries per second counter on global and per-database pages (Julien Rouhaud)
• Display configuration changes and PostgreSQL restart on graphs when pg_track_settings is configured (Julien Rouhaud)
• Add an url_prefix parameter (Julien Rouhaud and github user rippiedoos)
• Add options to forbid the UI from connecting to databases different than the dedicated powa one, or to remote server, either globally or per server.
• Provide metric definitions and link to the documentation on the graph
  (Julien Rouhaud)
• Add pg_stat_bgwriter graphs (Julien Rouhaud)
• Add database objects (based on pg_stat_all_tables info) graphs (Julien Rouhaud)
• Move the "other queries" panel to its own grid (Ronan Dunklau)
• Multiple UI improvements (Pierre Giraud)

Bug fixes:

• Fix longstanding bug in graph hover boxes position (Julien Rouhaud)
• Fix the graph preview selection (Julien Rouhaud)
• Add pg_wait_sampling in the config extension list (Julien Rouhaud, thanks to Adrien Nayrat for the report)
• Don't try to detect if a hypotetical index would be used if no suitable index is detected (Julien Rouhaud, thanks to Guillaume Lelarge for the report)
• Fix lost filter when changing the time range (Pierre Giraud, thanks to Marc Cousin for the report)
• Fix database wizard query validation for pg11+ (Julien Rouhaud)
• Handle hypopg unsupported access methods in dataabase wizard (Julien
  Rouhaud, thanks to Adrien Di Mascio for the report)
• Fix compatibility with SQLAlchemy 1.3+ (Julien Rouhaud, thanks to github
  user mchubby and irc user ChOcO-Bn for the report)
• Fix query detail if no data is found on the selected range (Julien Rouhaud,
  thanks to irc user ChOcO-Bn for the report)
• Fix some metrics in wait events and general query datasources (Julien
  Rouhaud, thanks to Adrien Nayrat for the report)
• Fix per-server graphs having multiple data and pg_stat_kcache enabled
  (Alexander Kukushkin)
• Fix #calls and #rows metrics on the per-query page (Julien Rouhaud)
• Fix query detail and performance problems on quals (Ronan Dunklau)
• Fix queries for pg_stat_kcache and pg_qualstats (Ronan Dunklau)
• Fix query details when multiples users run the same query (Julien Rouhaud)
• Fix global databases metrics query (Alexander Kukushkin)
• Fix long standing bug in pg_qualstats aggregation
• Fix data retrieval when a time interval spread over more than 2 aggregated
  rows

Misc:
- Display server's alias instead of hostname:port (Adrien Nayrat)
- Support pg_qualstats 2 (Julien Rouhaud)

Version 4.0.0beta1

*/!\ This is a beta version /!*

• Make the UI compatible with remote-mode setup (Julien Rouhaud)
• Query and display powa-collector information (Julien Rouhaud)
• Expose system cache hit / disk read metrics on global and per-database
  pages (Julien Rouhaud)
• Expose new metrics added in pg_stat_kcache 2.1 (page faults, context
  switches...) on global, per-database and per-query pages (Julien Rouhaud)
• Add wait events graphs on global and per-database pages (Julien Rouhaud)
• Add queries per second counter on global and per-database pages (Julien
  Rouhaud)
• Display configuration changes and PostgreSQL restart on graphs when
  pg_track_settings is configured (Julien Rouhaud)
• Fix longstanding bug in graph hover boxes position (Julien Rouhaud)
• Provide metric definitions and link to the documentation on the graph
  (Julien Rouhaud)
• Fix the graph preview selection (Julien Rouhaud)
• Add pg_wait_sampling in the config extension list (Julien Rouhaud, thanks
  to Adrien Nayrat for the report)
• Don't try to detect if a hypotetical index would be used if no suitable
  index is detected (Julien Rouhaud, thanks to Guillaume Lelarge for the
  report)
• Fix lost filter when changing the time range (Pierre Giraud, thanks to Marc
  Cousin for the report)
• Fix database wizard query validation for pg11+ (Julien Rouhaud)
• Handle hypopg unsupported access methods in dataabase wizard (Julien
  Rouhaud, thanks to Adrien Di Mascio for the report)
• Fix compatibility with SQLAlchemy 1.3+ (Julien Rouhaud, thanks to github
  user mchubby and irc user ChOcO-Bn for the report)
• Fix query detail if no data is found on the selected range (Julien Rouhaud,
  thanks to irc user ChOcO-Bn for the report)
• Fix some metrics in wait events and general query datasources (Julien
  Rouhaud, thanks to Adrien Nayrat for the report)

version 3.2.1

• Add pg_wait_sampling in the config extension list (Julien Rouhaud, thanks
  to Adrien Nayrat for the report)
• Don't try to detect if a hypotetical index would be used if no suitable
  index is detected (Julien Rouhaud, thanks to Guillaume Lelarge for the
  report)
• Fix lost filter when changing the time range (Pierre Giraud, thanks to Marc
  Cousin for the report)
• Fix database wizard query validation for pg11+ (Julien Rouhaud)
• Handle hypopg unsupported access methods in dataabase wizard (Julien
  Rouhaud, thanks to Adrien Di Mascio for the report)
• Fix compatibility with SQLAlchemy 1.3+ (Julien Rouhaud, thanks to github
  user mchubby and irc user ChOcO-Bn for the report)
• Fix query detail if no data is found on the selected range (Julien Rouhaud,
  thanks to irc user ChOcO-Bn for the report)
• Fix some metrics in wait events and general query datasources (Julien
  Rouhaud, thanks to Adrien Nayrat for the report)

version 3.2.0

• Add support for pg_wait_sampling to display wait events statistics and
  graphs, require pg9.6+ (Julien Rouhaud)
• Show a sorted list of servers on login screen (meikomeik)
• Add category to the list of column in the config overview page (Julien
  Rouhaud, thanks to Nehemiah I. Dacres for the feature request)
• New breadcrumb and many other UI improvements (Pierre Giraud)
• Fix behavior when changing time interval and then changing back to last
  hour (Julien Rouhaud, reported by Thomas Reiss)
• Allow both "user" and "username" in configuration files (Julien Rouhaud)

version 3.1.4

• Export all data in csv export (thanks to jdeshayes for feature request)
• Reword double negation, thanks to Pierre Giraud for noticing

version 3.1.3

• Fix wrong calculation of microseconds difference (thanks to Eric Champigny)

version 3.1.2

• Fix I/O time unit on overview dashboard
• Fix problem with explain queries (thanks to dblugeon)
• Cosmetic changes to CPU time

version 3.1.1

New features:

• export to CSV button on every table

Bug fixes:

• Detect powa-archivist / powa-web incompatibility
• Handle quals which are not optimizable at all
• Fix grid rendering.
• Change default sorting order to DESC
• Change default sort order on query page to duration desc
• Use the time interval when rendering urls in Grids
• Propagate updatePeriod on zoom to picker
• Fix case when quals dont belong to the same rel
• Ignore errors while getting hypoplans

version 3.1.0

New features:

• Display dropped databases in the UI (requires at least powa-archvist 3.0.1)
• Notify that server is listening, display socket information (thanks to
  Pierre Hilbert for the feature request)
• Always display overall informations on a query, even if not statistics is
  present
• Display server and connection information in top-bar

Bug fixes:

• Fix figures in query details, thanks to Eric Champigny for the patch
• Fix graphs to display local time instead of UTC time
• Fix IO timing figures on database overview (thanks to ribbles for the
  report)
• Fix query page when pg_qualstats isn't available