Competition changes:
*Australian league restructured to 10 teams.
*French leagues restructured to 20/20/18 teams.
*Greek leagues restructured to 16/16 teams.
*Italian Serie A + B restructured to 20/22 teams.
*Polish Second Division restructured to 20 teams.
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*Argentine Cup replaces the Polish League Cup (thanks gio!).
*CONCACAF Champions League re-enabled.
*German DFL-Supercup replaces the Intercontinental Cup (thanks gio!).
*Greek Super Cup disabled.
*International competitions begin in the correct year.
*Irish Presidents Cup disabled.
*Irish Super Cup disabled.
*Korean League Cup disabled.
*Korean Super Cup disabled.
*Polish League Cup disabled.
*Recopa Sudamericana replaces the Inter-American Cup (thanks gio!).
*Scottish Premiership playoffs enabled (Scottish Premiership (11th) and Scottish First Division teams (2nd & 3rd) will play off for a place in the Scottish Premiership.)
*World Club Championship replaces the German League Cup (thanks gio!).
*World Cup qualifying reset for Europe and South America (full campaigns can now be played: Oceanic/South American countries will enter the 2018 World Cup).

Minor competition changes:
*Australian A-League: Final renamed to Grand Final.
*Australian A-League: Grand Final now played a week after last Closing Stage fixture.
*Australian A-League: Opening Stage winners called Premiers instead of Minor Premiers.
*Copa América: Extra-time removed from Quarter Finals, Semi Finals and Third Place Playoff (penalties if level after 90 minutes).
*Copa do Brasil: Away goals no longer count in Final (penalties if level after both legs).
*Copa Sudamericana: Away goals now count in Quarter Final & Semi Final (away goals & penalties if level after both legs).
*Copa Sudamericana: Final no longer potentially goes to a third game decider (extra-time & penalties if level after both legs).
*Coppa Italia: Slight correction of tiebreak offsets.
*Coppa Italia Lega Pro: All rounds apart from Semi Final & Final now one leg (extra-time & penalties if level after 90 minutes).
*Coppa Italia Lega Pro: All rounds' draw dates pushed back one week, apart from Semi Final & Final.
*Coupe de Belgique: Final no longer potentially goes to a replay (extra-time & penalties if level after 90 minutes).
*EFL Trophy: Substitutes named increased from 5 --> 7.
*EFL Trophy: Extra-time removed from all rounds apart from the Final (penalties if level after 90 minutes).
*EFL Trophy: Section Finals now only one leg (penalties if level after 90 minutes).
*English FA Cup: Quarter Finals no longer potentially go to a replay (extra-time & penalties if level after 90 minutes).
*English FA Trophy: Second, Third & Fourth Round no longer potentially go to a second replay (extra-time & penalties if level after replay).
*English FA Trophy: Semi Final & Final no longer potentially go to a replay (extra-time & penalties if level after 90 minutes).
*English FA Trophy: Away goals no longer count in Semi Final (extra-time & penalties if level after both legs).
*Europa League: Third Round First Leg game should no longer clash with international matches.
*Hrvatski Cup: Quarter Final & Final now only one leg (extra-time & penalties after 90 minutes).
*Irish Cup: Replays removed from all rounds.
*Kypello Elladas: Round of 16 now two legs (away goals, extra-time & penalties if level after both legs).
*Kypello Elladas: Quarter Final draw date pushed back one week.
*League of Ireland Cup: Final now only one leg (extra-time & penalties if level after 90 minutes).
*NIFL Charity Shield: Match goes to penalties if level after 90 minutes (instead of having no tiebreak at all!).
*NIFL Cup: Semi Final now only one leg (extra-time & penalties if level after 90 minutes).
*NIFL Cup: Semi Final pushed back a week so it no longer clashes with international matches.
*Norwegian Cupen: Replays removed from Fourth Round - Final (extra-time & penalties if level after 90 minutes).
*Puchar Polski: Quarter Final & Semi Final now two legs (away goals, extra-time & penalties if level after both legs).
*Puchar Polski: Final now played at the national stadium.
*Puchar Polski: Final moved forward a couple of weeks to beginning of May.
*Scottish Cup: Semi Final no longer potentially goes to a replay (extra-time & penalties if level after 90 minutes).
*Scottish Cup: Semi Finals now played at national stadium (though not over the same weekend).
*Supertaça Cândido de Oliveira: Match no longer shows as potentially going to a replay (as extra-time & penalties will always occur instead).
*Svenska Cupen: Final now only one leg (extra-time & penalties if level after 90 minutes).
*Taça de Portugal: Replays removed from all rounds.
*Taça de Portugal: Semi Final now two legs (away goals, extra-time & penalties if level after both legs).
*Türkiye Kupasi: Quarter Final & Semi Final now two legs (away goals, extra-time & penalties if level after both legs).
*Türkiye Kupasi: Semi Final & Final draw dates pushed back a week.
*UEFA Champions League: Phase 2 Fixture 1 & 2 dates changed (games no longer played on a Friday).
*USA MLS: League games no longer enter extra-time after a draw (this used to occur from the second season onwards - thanks Fiestita!).
*Welsh League Cup: Semi Final now one leg (extra-time & penalties if level after 90 minutes).

Gameplay changes:
*AI clubs in background leagues will now hire managers.
*Bosman signings now allowed in Croatia and Poland, removed from Israel and Ukraine.
*Continental competitions load regardless of the leagues selected (except European ones - still only load with a European league).
*Golden goal offsets tweaked, it should prevent things like this and this happening.
*Human managers can apply for jobs at clubs in inactive leagues, causing that club to hire a manager (may be a human manager or an AI manager).
*Manage any team, regardless of whether their league has been selected.
*Players outside European leagues can gain second nationalities as long as they aren't European. For example, Uruguayans playing in Argentina can become Uruguayan/Argentine but Spanish players playing in Argentina won't become Spanish/Argentine.
*Regens from smaller nations will now regenerate at younger (normal) ages.
*Regens won't be promoted at AI clubs with 45+ players, in an attempt to keep the transfer market fluid when playing with a max database. There should be fewer AI clubs with 50 player squads, most of which are average regens (thanks xeno!).
*Reserve teams enabled for German, Portuguese and Spanish clubs without a B team.
*Scout roles can be offered to staff (except physios).
*Transfer windows added to all leagues (now updated for the 2016/17 season).

Minor gameplay changes:
*Argentina: Copa Argentina history added.
*Argentina: Squad restriction of 4 foreign players added.
*Argentina: TV and prize money added to Primera B División, reduced in Primera División.
*Australia: 4 --> 5 foreign players allowed in match day squad.
*Confederations Cup: Last World Cup winners enter instead of last Confederation Cup winners (thanks gio!).
*England: League Two relegation places reduced from 3 --> 2.
*England: Players aged 24+ can now be loaned for a full season (instead of a maximum of four months).
*England: Simultaneous loans allowed increased to 9.
*England: Suspensions will display immediately after a match rather than after one day.
*England: Wembley is always used for relevant English cup finals and England international games.
*Germany: 18 non-EU --> no restrictions in match day squad (removes FGN symbol from squad screen).
*Germany: DFL-Supercup histories edited.
*Netherlands: Eerste Divisie relegation place removed (as it doesn't work).
*Olympic Games: Correct countries enter 2016 tournament.
*Poland: 18 --> 3 non-EU players allowed in match day squad.
*Republic Of Ireland: Automatic relegation places from the Irish Premier Division increased from 1 --> 3 for the 2016/17 season.
*Republic Of Ireland: Automatic relegation places from the Irish Premier Division reduced from 2 to 1 from the 2017/18 season onwards.
*Republic Of Ireland: Loans allowed per season increased to 9.
*Republic Of Ireland: Loans can be made between clubs in the same division.
*Republic Of Ireland: Suspensions begin immediately instead of after 14 days.
*Russia: New game begins 10 days earlier (to give players a chance to make transfers).
*Russia: Squad restriction of 10 foreign players added.
*South Korea: League start date pushed back to May (due to empty calendar).
*Spain: B teams added for Almería, Getafe, Granada & Villarreal (replacing the B teams of Extremadura, Salamanca, SSV Ulm & SG Hoechst).
*Spain: Non-EU players allowed in La Liga match day squad increased from 2 --> 3.
*Spain: Real Sociedad can now sign 
Spanish players who don't have a Basque second nationality (thanks JohnLocke!).
*Turkey: Foreign player limits updated for all three divisions (squad/match numbers per division is: 14/11, 10/5, 0/0).
*World Club Cup: Host countries updated.
*Yugoslavia removed.

Display changes:
*Competition histories in correct years.
*English National League North suspensions are shown to be for English matches instead of Welsh matches.
*Human manager's star players shown.
*Inflated £ option added: select the £x2 currency in Game Settings to roughly double the values of everything in the game.
*MLS clubs now named correctly.
*Rename v1.42 included.
*Round names updated for various competitions (including three new names: Round of 64/32/16).
*Squad numbers can now be issued in all leagues.

Known issues:
*Applying for jobs at tiny clubs/nations will give you an error message (manager_manager..cpp 12456). The error is harmless, although no managers will be appointed by that club/nation.
*Euro 2020: hosting is a bit messed up: whoever hosts Euro 2024 will be shown as hosting Euro 2020 when teams qualify for it in news items. Seeing as Euro 2020 doesn't really have a host IRL (I suppose Engand at a push) I'm not too bothered about it.
*FIFA Club World Club: a very rare crash, issue unknown so no fix at the moment.
*French Championnat National: still has 20 clubs - two just play no fixtures (La Châtaigneraie & Orvault SF).
*French Coupe de la Ligue: two Ligue 1 sides don't enter in the first season.
*Northern Ireland: Transfer window messages are shown twice, due to Denmark also using Northern Ireland's code.
*Norway: Transfer window messages are shown twice, due to Sweden also using Norway's code.
*Retirements: players set to retire in the player_setup.cfg file will retire immediately instead of on the date listed. (You can safely remove those lines in the player_setup.cfg if you wish.)
*Squad numbers in the Swedish Division 1 can't be assigned in the first season.
*Transfer window messages won't display for:
 - Belgium: Transfer Deadline Lifted message in second window (January 1st).
 - Denmark: Any deadline lifted/approaching/reached news items at all.
 - Germany: Transfer Deadline Lifted message in second window (January 1st).
 - Norway: Transfer Deadline Lifted message in either window.
 - Sweden: Any deadline lifted/approaching/reached news items at all.