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    <title>Mojang Studios Jira</title>
    <link>https://bugs.mojang.com</link>
    <description>This file is an XML representation of an issue</description>
    <language>en</language>    <build-info>
        <version>9.12.2</version>
        <build-number>9120002</build-number>
        <build-date>10-01-2024</build-date>
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<item>
            <title>[MC-11360] Toggling redstone-powerable light-emitting components from more than 10 chunks away doesn&apos;t update their light emission correctly</title>
                <link>https://bugs.mojang.com/browse/MC-11360</link>
                <project id="10400" key="MC">Minecraft: Java Edition</project>
                    <description>&lt;p&gt;&lt;b&gt;Update&lt;/b&gt; - I also created a bug demonstration video available here: &lt;a href=&quot;http://www.youtube.com/watch?v=eQlSnJtLUNc&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;http://www.youtube.com/watch?v=eQlSnJtLUNc&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;Steps to reproduce:&lt;/p&gt;
&lt;ol&gt;
	&lt;li&gt;Build a long redstone wire with repeaters far away from the spawn. (&quot;long&quot; = more than about 12 chunks; &quot;far away&quot; = teleport 1000 blocks away and you should be fine)&lt;/li&gt;
	&lt;li&gt;Go to the beginning of the wire and power it (by placing a redstone torch in front of it).&lt;/li&gt;
	&lt;li&gt;Follow the wire.&lt;/li&gt;
&lt;/ol&gt;


&lt;p&gt;You&apos;ll notice something like in the screenshot &quot;light-emission-bug.png&quot;: The light emission was correctly updated for all repeaters that have been located in loaded chunks when the wire got powered. (Like the right repeater in the screenshot.) It was not correctly updated for all repeaters further away. (Like the left repeater in the screenshot.)&lt;/p&gt;


&lt;p&gt;This ticket relates to &lt;a href=&quot;https://bugs.mojang.com/browse/MC-1018&quot; title=&quot;Black Lighting under overhangs&quot; class=&quot;issue-link&quot; data-issue-key=&quot;MC-1018&quot;&gt;&lt;del&gt;MC-1018&lt;/del&gt;&lt;/a&gt;. (Reason: If the lighting engine has to be rewritten anyway, this bug could be taken into consideration when designing the new version.)&lt;/p&gt;</description>
                <environment></environment>
        <key id="25489">MC-11360</key>
            <summary>Toggling redstone-powerable light-emitting components from more than 10 chunks away doesn&apos;t update their light emission correctly</summary>
                <type id="1" iconUrl="https://bugs.mojang.com/secure/viewavatar?size=xsmall&amp;avatarId=18903&amp;avatarType=issuetype">Bug</type>
                                    <status id="5" iconUrl="https://bugs.mojang.com/images/icons/statuses/resolved.png" description="A resolution has been taken, and it is awaiting verification by reporter. From here issues are either reopened, or are closed.">Resolved</status>
                    <statusCategory id="3" key="done" colorName="success"/>
                                    <resolution id="3">Duplicate</resolution>
                                        <assignee username="-1">Unassigned</assignee>
                                    <reporter username="the.modificator">The.Modificator</reporter>
                        <labels>
                    </labels>
                <created>Sat, 9 Mar 2013 00:22:56 +0100</created>
                <updated>Sun, 30 Oct 2016 10:12:47 +0100</updated>
                            <resolved>Tue, 25 Oct 2016 00:41:26 +0200</resolved>
                                    <version>Minecraft 1.5</version>
                    <version>Minecraft 1.5.1</version>
                    <version>Minecraft 1.7.2</version>
                    <version>Minecraft 1.7.4</version>
                    <version>Minecraft 14w11b</version>
                    <version>Minecraft 1.8.1-pre3</version>
                    <version>Minecraft 1.8.1</version>
                    <version>Minecraft 16w43a</version>
                                                                        <votes>4</votes>
                                    <watches>3</watches>
                                                                            <comments>
                            <comment id="339187" author="JIRAUSER71590" created="Sun, 30 Oct 2016 10:12:47 +0100"  >&lt;p&gt;Because that ticket provides better information.&lt;/p&gt;</comment>
                            <comment id="339183" author="the.modificator" created="Sun, 30 Oct 2016 09:38:09 +0100"  >&lt;p&gt;Okay? Just curious: Why do newer ticket &quot;win&quot; over older tickets as being the duplicated (not: duplicat*ing*) ticket?&lt;br/&gt;
I mean, this ticket is from 2013 whereas &lt;a href=&quot;https://bugs.mojang.com/browse/MC-93132&quot; title=&quot;Missing lighting updates for lazy chunks&quot; class=&quot;issue-link&quot; data-issue-key=&quot;MC-93132&quot;&gt;&lt;del&gt;MC-93132&lt;/del&gt;&lt;/a&gt; is from 2015. Shouldn&apos;t the status on this issue rather be tracked here in this ticket?&lt;/p&gt;</comment>
                            <comment id="339052" author="redstonehelper" created="Sat, 29 Oct 2016 21:57:05 +0200"  >&lt;p&gt;Ticket was already resolved to &lt;a href=&quot;https://bugs.mojang.com/browse/MC-93132&quot; title=&quot;Missing lighting updates for lazy chunks&quot; class=&quot;issue-link&quot; data-issue-key=&quot;MC-93132&quot;&gt;&lt;del&gt;MC-93132&lt;/del&gt;&lt;/a&gt;.&lt;/p&gt;</comment>
                            <comment id="338991" author="the.modificator" created="Sat, 29 Oct 2016 18:39:04 +0200"  >&lt;p&gt;Updated. Please reset ticket status.&lt;/p&gt;</comment>
                            <comment id="336464" author="miwob" created="Fri, 21 Oct 2016 22:42:04 +0200"  >&lt;p&gt;Is this still an issue in the most recent versions (currently that is &lt;b&gt;1.10.2&lt;/b&gt;, or &lt;b&gt;16w42a&lt;/b&gt;) of Minecraft? If so, please update the affected versions and help us keeping this ticket updated from time to time.&lt;/p&gt;</comment>
                            <comment id="214768" author="alexnl" created="Sat, 3 Jan 2015 17:17:25 +0100"  >&lt;p&gt;I can confirm this issue also occurs with redstone lamps that are triggered remotely (either by a long redstone wire, or using the Craftbook-provided transmitters and receivers). The opposite is true as well: a lamp that is switched off remotely keeps emitting light even while its texture indicates that it shouldn&apos;t be doing that. &lt;/p&gt;

&lt;p&gt;After hitting the lamps a few times with a bare hand, the block seemed to update and started to emit or no longer emit light. However, this does not always work.&lt;/p&gt;

&lt;p&gt;Server version: 1.8.1&lt;br/&gt;
Client version: 1.8.0 with some mods (Forge Modloader, Liteloader, Optifine). It also happens with an unmodded 1.8.1 client.&lt;/p&gt;</comment>
                            <comment id="205360" author="galaxy_2alex" created="Sat, 25 Oct 2014 15:30:44 +0200"  >&lt;p&gt;Reopened, thanks&lt;/p&gt;</comment>
                            <comment id="205353" author="the.modificator" created="Sat, 25 Oct 2014 15:16:39 +0200"  >&lt;p&gt;Problem continues to exist.&lt;/p&gt;</comment>
                            <comment id="205336" author="galaxy_2alex" created="Sat, 25 Oct 2014 14:57:59 +0200"  >&lt;p&gt;Is this still a concern in the &lt;em&gt;current Minecraft version&lt;/em&gt; &lt;b&gt;1.8.1 Prerelease 3&lt;/b&gt; / Launcher version &lt;b&gt;1.5.3&lt;/b&gt; or later? If so, please &lt;em&gt;update the affected versions&lt;/em&gt; in order to best aid Mojang ensuring bugs are still valid in the latest releases/pre-releases.&lt;/p&gt;</comment>
                            <comment id="148771" author="jar_" created="Mon, 24 Mar 2014 00:25:53 +0100"  >&lt;p&gt;Is this still a concern in the &lt;em&gt;current Minecraft version&lt;/em&gt; &lt;b&gt;14w11b&lt;/b&gt; / Launcher version &lt;b&gt;1.3.11&lt;/b&gt; or later? If so, please &lt;em&gt;update the affected versions&lt;/em&gt; in order to best aid Mojang ensuring bugs are still valid in the latest releases/pre-releases.&lt;/p&gt;</comment>
                            <comment id="121524" author="the.modificator" created="Tue, 26 Nov 2013 23:17:42 +0100"  >&lt;p&gt;Whoops - sorry. This bug still exists in 1.7.2.&lt;/p&gt;</comment>
                            <comment id="121483" author="talven81" created="Tue, 26 Nov 2013 22:15:02 +0100"  >&lt;p&gt;No response in 4 months, assuming no longer an issue.&lt;/p&gt;</comment>
                            <comment id="52182" author="the.modificator" created="Wed, 13 Mar 2013 11:46:47 +0100"  >&lt;p&gt;Here&apos;s a bug demonstration video: &lt;a href=&quot;http://www.youtube.com/watch?v=eQlSnJtLUNc&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;http://www.youtube.com/watch?v=eQlSnJtLUNc&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="52108" author="dude" created="Tue, 12 Mar 2013 19:35:41 +0100"  >&lt;p&gt;Cannot reproduce.&lt;/p&gt;</comment>
                    </comments>
                <issuelinks>
                            <issuelinktype id="10102">
                    <name>Duplicate</name>
                                            <outwardlinks description="duplicates">
                                        <issuelink>
            <issuekey id="127352">MC-93132</issuekey>
        </issuelink>
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                                                        </issuelinktype>
                    </issuelinks>
                <attachments>
                            <attachment id="87204" name="MC-11360 redstone lamp 2.png" size="286241" author="AlexNL" created="Sat, 3 Jan 2015 17:26:03 +0100"/>
                            <attachment id="87203" name="MC-11360 redstone lamp.png" size="244314" author="AlexNL" created="Sat, 3 Jan 2015 17:17:25 +0100"/>
                            <attachment id="23946" name="light-emission-bug.png" size="372637" author="the.modificator" created="Sat, 9 Mar 2013 00:22:56 +0100"/>
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