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    <title>Mojang Studios Jira</title>
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    <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>[MCPE-24130] Observers Emit a Double Pulse When Detecting a Moving Block</title>
                <link>https://bugs.mojang.com/browse/MCPE-24130</link>
                <project id="10200" key="MCPE">Minecraft (Bedrock codebase)</project>
                    <description>&lt;p&gt;&lt;b&gt;Verification builds:&lt;/b&gt;&lt;br/&gt;
1.2.0.2 Retail&lt;/p&gt;

&lt;p&gt;&lt;b&gt;Summary:&lt;/b&gt;&lt;br/&gt;
Observers still produce a double pulse when they detect blocks being moved by a piston.  (A &lt;a href=&quot;https://bugs.mojang.com/browse/MCPE-20767&quot; class=&quot;external-link&quot; rel=&quot;nofollow&quot;&gt;related issue&lt;/a&gt; was fixed recently, but this issue remains)&lt;/p&gt;

&lt;p&gt;&lt;b&gt;Steps to Reproduce:&lt;/b&gt;&lt;/p&gt;
&lt;ol&gt;
	&lt;li&gt;Have a sticky piston push and pull a block in front of an observer&lt;/li&gt;
&lt;/ol&gt;


&lt;p&gt;&lt;b&gt;Observed Results:&lt;/b&gt;&lt;br/&gt;
Depending on the orientation of the block, the observer will sometimes output a double pulse, instead of one.&lt;/p&gt;

&lt;p&gt;&lt;b&gt;Expected Results:&lt;/b&gt;&lt;br/&gt;
The observer should only pulse once as it detects a block moving in front of it.&lt;/p&gt;

&lt;p&gt;&lt;b&gt;Screenshots/Videos attached:&lt;/b&gt; Yes&lt;/p&gt;

&lt;p&gt;&lt;span class=&quot;image-wrap&quot; style=&quot;&quot;&gt;&lt;img src=&quot;https://thumbs.gfycat.com/InsignificantPoshCats-size_restricted.gif&quot; style=&quot;border: 0px solid black&quot; /&gt;&lt;/span&gt;&lt;/p&gt;



&lt;p&gt;&lt;b&gt;Notes:&lt;/b&gt;&lt;/p&gt;

&lt;p&gt;Using the examples shown, the Java observer only emits a single pulse when a block is pushed or pulled in front of it.&lt;/p&gt;</description>
            <key id="177313">MCPE-24130</key>
            <summary>Observers Emit a Double Pulse When Detecting a Moving Block</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="1">Fixed</resolution>
                                            <reporter username="Mega_Spud">[Mojang] Mega_Spud (Jay Wells)</reporter>
                        <labels>
                            <label>observer</label>
                            <label>piston</label>
                            <label>redstone</label>
                    </labels>
                <created>Wed, 2 Aug 2017 14:55:22 +0200</created>
                <updated>Thu, 5 Aug 2021 22:38:59 +0200</updated>
                            <resolved>Thu, 2 Nov 2017 16:56:47 +0100</resolved>
                                    <version>1.2.0.2</version>
                    <version>1.2.0.11</version>
                    <version>1.2.3.6</version>
                    <version>1.2.5.15</version>
                                    <fixVersion>1.2.5.15</fixVersion>
                                                        <votes>3</votes>
                                    <watches>1</watches>
                                                                            <comments>
                            <comment id="416191" author="mistahtokyo" created="Thu, 2 Nov 2017 16:55:53 +0100"  >&lt;p&gt;Re-tested. Does not seem to be affecting 1.2.5 Beta Build 3&lt;/p&gt;</comment>
                            <comment id="416174" author="handlbar.rick@comcast.net" created="Thu, 2 Nov 2017 13:04:06 +0100"  >&lt;p&gt;Confirmed for 1.2.3.6. The observer pulses once when a block is pulled away from it, and twice when a block is pushed in front of it. It doesn&apos;t matter what direction the observer is facing.&lt;/p&gt;</comment>
                    </comments>
                <issuelinks>
                            <issuelinktype id="10103">
                    <name>Relates</name>
                                            <outwardlinks description="relates to">
                                        <issuelink>
            <issuekey id="166733">MCPE-20767</issuekey>
        </issuelink>
                            </outwardlinks>
                                                                <inwardlinks description="relates to">
                                        <issuelink>
            <issuekey id="178219">MCPE-24680</issuekey>
        </issuelink>
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                            <attachment id="144116" name="MegaSpud 100.JPG" size="177352" author="Mega_Spud" created="Wed, 2 Aug 2017 15:06:45 +0200"/>
                            <attachment id="144115" name="MegaSpud 101.JPG" size="187767" author="Mega_Spud" created="Wed, 2 Aug 2017 15:06:45 +0200"/>
                            <attachment id="144114" name="MegaSpud 102.JPG" size="182168" author="Mega_Spud" created="Wed, 2 Aug 2017 15:06:44 +0200"/>
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