- Rebase to tzdata-2017b.
  - Haiti resumed DST on March 12, 2017.

- Rebase to tzdata-2017a
  - Mongolia no longer observes DST. (BZ #1425222)
  - Add upstream patch to fix over-runing of POSIX limit on zone abbreviations.
- Add zone1970.tab file to the install list. (BZ #1427694)

- Rebase to tzdata-2016ij
  - Saratov region of Russia is moving from +03 offset to +04 offset
    on 2016-12-04.

- Rebase to tzdata-2016i:
  - Cyprus is now split into two time zones as of 2016-10-30
  - Tonga will reintroduce DST on 2016-11-06

- Rebase to tzdata-2016h:
  - Palestine will end DST on 2016-10-29 not 2016-10-21.

- Rebase to tzdata-2016g.
  - Turkey changed from EET/EEST (+02/+03) to permanent +03,
    on 2016-09-07.
  - A new leap second will be added on 2016-12-31 23:59:60 UTC.

- Rebase to 2016f
  - Egypt cancelled DST.
  - Asia/Novosibirsk transitions from +06 to +07 on 2016-07-24 at 02:00.

- Rebase to 2016e
  - Egypt reinstates DST.

- Rebase to 2016d
  - America/Caracas switches from -0430 to -04 on 2016-05-01 at 02:30.
  - Asia/Magadan switches from +10 to +11 on 2016-04-24 at 02:00.
  - New zone Asia/Tomsk, split off from Asia/Novosibirsk.  It covers
    Tomsk Oblast, Russia, which switches from +06 to +07 on 2016-05-29
    at 02:00.

- Rebase to 2016c
  - Azerbaijan no longer observes DST.
  - Chile reverts from permanent to seasonal DST.

- Rebase to 2016b
  - New zones Europe/Astrakhan and Europe/Ulyanovsk for Astrakhan and
    Ulyanovsk Oblasts, Russia, both of which will switch from +03 to +04 on
    2016-03-27 at 02:00 local time.  They need distinct zones since their
    post-1970 histories disagree.  New zone Asia/Barnaul for Altai Krai and
    Altai Republic, Russia, which will switch from +06 to +07 on the same date
    and local time.  The Astrakhan change is already official; the others have
    passed the first reading in the State Duma and are extremely likely.
    Also, Asia/Sakhalin moves from +10 to +11 on 2016-03-27 at 02:00.
  - As a trial of a new system that needs less information to be made up,
    the new zones use numeric time zone abbreviations like "+04"
    instead of invented abbreviations like "ASTT".
  - Haiti will not observe DST in 2016.
  - Palestine's spring-forward transition on 2016-03-26 is at 01:00, not 00:00.
    Guess future transitions will be March's last
    Saturday at 01:00, not March's last Friday at 24:00.

- Rebuild with --target rhel-6.8-noarch-candidate.

- Rebase to 2015d:
  - The Egyptian Cabinet announced that DST will be cancelled for 2015.
  - The abbreviations for Hawaii-Aleutian standard and daylight times
    have been changed from HAST/HADT to HST/HDT, as per US Government
    Printing Office style. This affects only America/Adak since 1983,
    as America/Honolulu was already using the new style.

- Rebuild. Forgot to use --target rhel-6.6-noarch-candidate on the
  final build.

- Rebase to 2015b
  - Mongolia will start observing DST again this year, from the last
    Saturday in March at 02:00 to the last Saturday in September at 00:00.
  - Palestine will start DST on March 28, not March 27.  Also,
    correct the fall 2014 transition from September 26 to October 24.
    Adjust future predictions accordingly.

- Rebase to 2015a
  - New leap second 2015-06-30 23:59:60 UTC as per IERS Bulletin C 49.
  - The Mexican state of Quintana Roo, represented by America/Cancun,
    will shift from Central Time with DST to Eastern Time without DST
    on 2015-02-01 at 02:00.
  - Chile will not change clocks in April or thereafter; its new
    standard time will be its old daylight saving time.  This affects
    America/Santiago, Pacific/Easter, and Antarctica/Palmer.