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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>[MCPE-15315] Observers don&apos;t detect block updates in melon nor pumpkin stems</title>
                <link>https://bugs.mojang.com/browse/MCPE-15315</link>
                <project id="10200" key="MCPE">Minecraft (Bedrock codebase)</project>
                    <description>&lt;p&gt;I&apos;m on a Nook HD tablet and While using observer blocks I tried to make a automatic pumpkin/melon farm and noticed two distinct things. One the observer does not see an update in the stem of melon nor pumpkins when one or the other spawns in and attaches to the stem making it arch as show in the pictures. Second melons nor pumpkins will grow if a block is on top of the stem even though it grows sideways. I&apos;m unsure how long this has happened before the 0.15.0 Beta update.&lt;/p&gt;</description>
            <key id="143496">MCPE-15315</key>
            <summary>Observers don&apos;t detect block updates in melon nor pumpkin stems</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="Ahfud">Alex Arguello</reporter>
                        <labels>
                    </labels>
                <created>Sun, 12 Jun 2016 01:49:07 +0200</created>
                <updated>Sat, 7 Sep 2019 18:25:15 +0200</updated>
                            <resolved>Mon, 8 Aug 2016 05:45:36 +0200</resolved>
                                    <version>0.15.0 Beta build 3</version>
                    <version>0.15.4</version>
                                    <fixVersion>0.15.4</fixVersion>
                                                        <votes>1</votes>
                                    <watches>5</watches>
                                                                            <comments>
                            <comment id="581783" author="carlos723" created="Sat, 7 Sep 2019 18:25:15 +0200"  >&lt;p&gt;I&#8217;m playing on the Minecraft bedrock edition v1.12.1 and the bug is still there&lt;/p&gt;</comment>
                            <comment id="574129" author="cyka_delik" created="Sun, 11 Aug 2019 18:24:07 +0200"  >&lt;p&gt;This issue is not resolved. Observer blocks should actuate upon observing changes in the Extended Blockstate.&lt;/p&gt;</comment>
                            <comment id="324687" author="ahfud" created="Wed, 10 Aug 2016 19:50:16 +0200"  >&lt;p&gt;When I put an observer on the side of a stem pumpkin or melon it&apos;s still not seeing the stem update for me but it will see the melon or pumpkin itself but if broken with a piston the observer makes it into a clock and does not let the melon grow again. &lt;/p&gt;</comment>
                            <comment id="324680" author="ahfud" created="Wed, 10 Aug 2016 19:20:37 +0200"  >&lt;p&gt;Well thank you for the update I&apos;ll be sure to Try my farm ideas and let you know my results much appreaceated supergeniuszeb&lt;/p&gt;</comment>
                            <comment id="324167" author="zebulanstanphill@gmail.com" created="Mon, 8 Aug 2016 05:01:28 +0200"  >&lt;p&gt;In 0.15.4, pumpkin/melon stems now cause block updates, thus triggering Observers. This issue can now be closed.&lt;/p&gt;</comment>
                            <comment id="323782" author="aman4700" created="Mon, 8 Aug 2016 03:49:15 +0200"  >&lt;p&gt;Please respond and add the current version if you can reproduce this issue.&lt;/p&gt;</comment>
                            <comment id="317128" author="zebulanstanphill@gmail.com" created="Fri, 24 Jun 2016 16:26:24 +0200"  >&lt;p&gt;Hey mods? I think this issue can be closed now, since it is WAI.&lt;/p&gt;</comment>
                            <comment id="313655" author="ahfud" created="Tue, 14 Jun 2016 20:29:24 +0200"  >&lt;p&gt;Well thank you very much for the explanation and for looking into this for me very much appreciated.&lt;/p&gt;</comment>
                            <comment id="313380" author="zebulanstanphill@gmail.com" created="Tue, 14 Jun 2016 00:32:03 +0200"  >&lt;p&gt;Confirmed for 0.15.0 on Windows 10. I know exactly why the observers aren&apos;t activating:&lt;/p&gt;

&lt;p&gt;The stem will change appearance depending on whether or not a melon is adjacent to it, but this is handled in the &quot;extended blockstate&quot;, not the basic blockstate which is saved to file. Other blocks like fences, walls, &amp;amp; stairs use the extended blockstates for things like changing their models &amp;amp; hitboxes when another fence is adjacent to them and other properties dependent on adjacent blocks. Changing the extended states of any of these blocks does not cause the observer to update, perhaps because changing the extended state of a block doesn&apos;t cause a block update. (Which would actually make sense... after all, can you think of any reasons why a block update would need to be triggered for a change in an extended state?)&lt;/p&gt;

&lt;p&gt;Therefore, the first part of this issue is probably works as intended.&lt;/p&gt;

&lt;p&gt;As for melons stems not producing melons when there is a solid block directly above them, I&apos;m going to go test that and update this post when I find results.&lt;/p&gt;

&lt;p&gt;EDIT: In the Java edition, melons and pumpkin stems do not grow melons/pumpkins when there is a solid block directly above them. Therefore, I believe this behavior is also works as intended, and this issue can probably be closed.&lt;/p&gt;</comment>
                    </comments>
                    <attachments>
                            <attachment id="234708" name="B89A9658-4AC2-4DA1-8997-357F1724554E.png" size="2250129" author="Carlos723" created="Sat, 7 Sep 2019 18:23:33 +0200"/>
                            <attachment id="119652" name="Screenshot_2016-06-06-12-40-30.png" size="679986" author="Ahfud" created="Sun, 12 Jun 2016 01:49:07 +0200"/>
                            <attachment id="119653" name="Screenshot_2016-06-06-12-41-45.png" size="708782" author="Ahfud" created="Sun, 12 Jun 2016 01:49:07 +0200"/>
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