Watchlist shows incorrect total byte count delta for a Wikidata change
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	• bzimport
	May 1 2013, 4:19 PM

Description

Author: rsocol

Description:
Watchlist bug

In the my Watchlist on Wikidata I see two changes to a certain article (Q7493958), both on 1 May 2013, made by VIAFbot: one change adds 139 bytes, the other adds 194 bytes. However, the total byte count delta is shown as 0 and the "bytes after this change" tooltip shows incorrect values. See attached screenshot.

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Reference: bz47940

Event Timeline

• bzimport raised the priority of this task from to Medium.Nov 22 2014, 1:28 AM

• bzimport added projects: MediaWiki-extensions-WikibaseClient, patch-welcome.

• bzimport set Reference to bz47940.

• bzimport added a subscriber: Unknown Object (MLST).

• bzimport created this task.May 1 2013, 4:19 PM

https://www.wikidata.org/w/index.php?title=Q7493958&action=history shows correct data.

Showing wikidata changes was disabled on enhanced watchlist

rsocol wrote:

another repro of the same bug

Attached:

Wikidata_watchlist_bug.png (632×1 px, 63 KB)

rsocol wrote:

Comment on attachment 12733
another repro of the same bug

The bug still happens (see the new screenshot). It seems the problem is related to two consecutive edits (by a bot) with very short time between them.

[replacing wikidata keyword by adding CC - see bug 56417]

Schnark subscribed.Nov 24 2014, 8:54 AM

Lydia_Pintscher added a project: Wikidata.Dec 1 2014, 2:27 PM

Lydia_Pintscher removed a subscriber: Unknown Object (MLST).

duplicatebug unsubscribed.Dec 13 2014, 11:52 AM

matej_suchanek edited projects, added MediaWiki-Recent-changes; removed MediaWiki-extensions-WikibaseClient.Jan 21 2017, 4:57 PM

matej_suchanek updated the task description. (Show Details)

matej_suchanek added a project: TestMe.

matej_suchanek removed a subscriber: Wikidata-bugs.

Restricted Application added a subscriber: TerraCodes. · View Herald TranscriptJan 21 2017, 4:57 PM

matej_suchanek removed a project: TestMe.Jan 29 2017, 9:57 AM

This is due to serialization changes and fixing it is too much work for too little gain. It has been open for four years now and I think it won't be fixed for even four more years. Let's just close it.

	F10618: Watchlist_bug.png
	Jan 21 2017, 4:57 PM

Watchlist shows incorrect total byte count delta for a Wikidata changeClosed, DeclinedPublicActions

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Watchlist shows incorrect total byte count delta for a Wikidata change
Closed, DeclinedPublic
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