[tz] R: need testing for new tzdb release for Brazil changes

Mon May 27 19:41:16 UTC 2019

Hi Paul thanks a lot.

One question are these tables also the one that each OS will include?  I mean I need to know how the OS patches itself having the new rules.

Did they use your tables?


-----Messaggio originale-----
Da: Paul Eggert <eggert at cs.ucla.edu>
Inviato: lunedì 27 maggio 2019 20:03
A: DONATELLA SABELLICO <DONATELLA.SABELLICO at hcl.com>; kim.davies at icann.org; michelle.cotton at icann.org
Cc: Time zone mailing list <tz at iana.org>; Anawesha Khuntia <AnaweshaK at in.ibm.com>; Java Timezone Utility Support <JTZU at uk.ibm.com>; Sbriccoli's L3 only <sbriccolisl3only at hcl.com>; SILVANO LUTRI <silvano.lutri at hcl.com>; Ramanand Patil <ramanand.patil at oracle.com>; Sean Coffey <sean.coffey at oracle.com>; Peter Dempsey <Peter.Dempsey at verint.com>
Oggetto: need testing for new tzdb release for Brazil changes

> Do you know when the Timezone package will be released'

We plan to get a new release out reasonably soon, and well before November.
However, there is no fixed schedule or specific plan. In the meantime I suggest that you test your software by using the tzdb development version and reporting your results back. You can currently retrieve it by running this command:

git clone https://apc01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgithub.com%2Feggert%2Ftz&data=02%7C01%7CDONATELLA.SABELLICO%40hcl.com%7C58c7cd4cfc104d2f1bb108d6e2cd8c2d%7C189de737c93a4f5a8b686f4ca9941912%7C0%7C0%7C636945769795584444&sdata=KR2zaaXc2xCxFQVFl3KzNUj%2FxwNI7Uf5NBW8E9NATlo%3D&reserved=0

I would like more testing by people other than myself. It's quite possible that the next release will have problems and I want to hear bug reports and "it's all OK!" reports back. I'm not hearing anything, which leads me to suspect that a new release must not be that urgent.

Here is one longstanding issue that I would like to see progress on:


That is, Oracle TZUpdater fails to handle the forms of DST currently used in Ireland and Morocco, and historically used in Czechoslovakia, Japan and Namibia.
Although this was reported as a P3 (major loss of function) bug in January 2018 <https://apc01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fbugs.openjdk.java.net%2Fbrowse%2FJDK-8195595&data=02%7C01%7CDONATELLA.SABELLICO%40hcl.com%7C58c7cd4cfc104d2f1bb108d6e2cd8c2d%7C189de737c93a4f5a8b686f4ca9941912%7C0%7C0%7C636945769795594439&sdata=VJ4Hynids%2FqCqIF8EiioNWZuTBhpIborj54n45cSFqc%3D&reserved=0>, I am not plugged into the JDK development effort and don't know what sort of progress is being made here.

Ramanand, you're assigned that bug report. What's the status of the fix for this issue, and of testing the fix? Have you tested with data taken from the current tzdb development version? Although I doubt whether the Brazil changes themselves will cause problems with TZUpdater I've been surprised in the past, and also the next release will contain changes not related to Brazil, so I'd appreciate some feedback here.
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