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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>
    </build-info>


<item>
            <title>[MC-2912] Creative Mode Hotbar Glitch when using Number Key to exchange items slots</title>
                <link>https://bugs.mojang.com/browse/MC-2912</link>
                <project id="10400" key="MC">Minecraft: Java Edition</project>
                    <description>&lt;p&gt;In creative mode, when I place a water bucket (for example) in Hotbar slot, hover above it and press a numberkey to move the it (i.e. to swap it with a dirt block) and then place the water bucket (which is now where the dirt block was and vice versa), it will place dirt. Not water. Placing dirt works as expected. Also works vice versa.&lt;/p&gt;

&lt;p&gt;&lt;b&gt;Steps to reproduce:&lt;/b&gt;&lt;/p&gt;

&lt;p&gt;Example using water bucket&lt;br/&gt;
1. Put a water bucket in your hotbar. (i.e. 1st slot)&lt;br/&gt;
2. Press any number key (1-9) while hovering over water bucket, except its own slot number. (In this case 1.) Example : Dirt is in 2nd slot so press &apos;2&apos; and swap dirt and water bucket.&lt;br/&gt;
3. Place water bucket.&lt;br/&gt;
4. Water bucket is seems to be placed and is instantly replaced by dirt.&lt;br/&gt;
5. Open inventory to fix problem. If you are holding the water bucket in your hand it will be animated as if it was beeing swapped.&lt;/p&gt;

&lt;p&gt;This apparently happens with all blocks. I haven&apos;t fully tested yet. It also works with having nothing instead of dirt, then water is placed for a short moment and instantly replaced by air. Also works with potions.&lt;/p&gt;
&lt;hr /&gt;
&lt;p&gt;Code analysis by &lt;a href=&quot;https://bugs.mojang.com/secure/ViewProfile.jspa?name=Marcono1234&quot; class=&quot;user-hover&quot; rel=&quot;marcono1234&quot;&gt;Marcono1234&lt;/a&gt; can be found in &lt;a href=&quot;https://bugs.mojang.com/browse/MC-2912?focusedCommentId=332806&amp;amp;page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-332806&quot; class=&quot;external-link&quot; rel=&quot;nofollow&quot;&gt;this comment&lt;/a&gt;&lt;/p&gt;</description>
                <environment>OS: Windows XP Build 2600 Service Pack 3,&lt;br/&gt;
OS: Windows 8, Java: 1.7.0_51&lt;br/&gt;
</environment>
        <key id="14781">MC-2912</key>
            <summary>Creative Mode Hotbar Glitch when using Number Key to exchange items slots</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>
                                        <assignee username="FruBasilicum">[Mojang] Agnes Larsson</assignee>
                                    <reporter username="LBBO">LBBO</reporter>
                        <labels>
                            <label>block</label>
                            <label>hotbar</label>
                            <label>numberkey</label>
                    </labels>
                <created>Tue, 13 Nov 2012 13:40:43 +0100</created>
                <updated>Sun, 26 Nov 2017 22:30:03 +0100</updated>
                            <resolved>Mon, 17 Oct 2016 21:52:27 +0200</resolved>
                                    <version>Minecraft 1.4.2</version>
                    <version>Minecraft 1.4.4</version>
                    <version>Snapshot 12w50a</version>
                    <version>Minecraft 1.4.6</version>
                    <version>Minecraft 1.4.7</version>
                    <version>Snapshot 13w09a</version>
                    <version>Snapshot 13w09b</version>
                    <version>Snapshot 13w09c</version>
                    <version>Minecraft 1.5</version>
                    <version>Minecraft 1.5.1</version>
                    <version>Minecraft 1.5.2</version>
                    <version>Minecraft 1.6.1</version>
                    <version>Minecraft 1.6.2</version>
                    <version>Minecraft 1.6.4</version>
                    <version>Minecraft 13w42b</version>
                    <version>Minecraft 13w43a</version>
                    <version>Minecraft 1.7.1</version>
                    <version>Minecraft 1.7.2</version>
                    <version>Minecraft 1.7.4</version>
                    <version>Minecraft 14w02c</version>
                    <version>Minecraft 14w03b</version>
                    <version>Minecraft 14w04a</version>
                    <version>Minecraft 14w04b</version>
                    <version>Minecraft 14w05a</version>
                    <version>Minecraft 14w05b</version>
                    <version>Minecraft 14w08a</version>
                    <version>Minecraft 1.7.5</version>
                    <version>Minecraft 14w10c</version>
                    <version>Minecraft 14w11b</version>
                    <version>Minecraft 1.7.6-pre1</version>
                    <version>Minecraft 1.7.6-pre2</version>
                    <version>Minecraft 1.7.9</version>
                    <version>Minecraft 14w17a</version>
                    <version>Minecraft 14w18b</version>
                    <version>Minecraft 14w21b</version>
                    <version>Minecraft 14w25a</version>
                    <version>Minecraft 14w25b</version>
                    <version>Minecraft 1.7.10</version>
                    <version>Minecraft 1.8</version>
                    <version>Minecraft 1.8.1-pre4</version>
                    <version>Minecraft 1.8.1</version>
                    <version>Minecraft 1.8.2-pre1</version>
                    <version>Minecraft 1.8.3</version>
                    <version>Minecraft 1.8.4</version>
                    <version>Minecraft 1.8.5</version>
                    <version>Minecraft 1.8.6</version>
                    <version>Minecraft 1.8.8</version>
                    <version>Minecraft 15w32b</version>
                    <version>Minecraft 15w32c</version>
                    <version>Minecraft 15w34a</version>
                    <version>Minecraft 15w34b</version>
                    <version>Minecraft 15w35b</version>
                    <version>Minecraft 15w36d</version>
                    <version>Minecraft 15w37a</version>
                    <version>Minecraft 15w39b</version>
                    <version>Minecraft 15w40b</version>
                    <version>Minecraft 15w41b</version>
                    <version>Minecraft 15w42a</version>
                    <version>Minecraft 15w43b</version>
                    <version>Minecraft 15w43c</version>
                    <version>Minecraft 15w44a</version>
                    <version>Minecraft 15w44b</version>
                    <version>Minecraft 15w45a</version>
                    <version>Minecraft 15w46a</version>
                    <version>Minecraft 15w47a</version>
                    <version>Minecraft 15w47c</version>
                    <version>Minecraft 15w49b</version>
                    <version>Minecraft 1.8.9</version>
                    <version>Minecraft 15w51b</version>
                    <version>Minecraft 16w06a</version>
                    <version>Minecraft 1.9 Pre-Release 1</version>
                    <version>Minecraft 1.9 Pre-Release 2</version>
                    <version>Minecraft 1.9.1</version>
                    <version>Minecraft 1.9.2</version>
                    <version>Minecraft 1.9.4</version>
                    <version>Minecraft 16w20a</version>
                    <version>Minecraft 16w21a</version>
                    <version>Minecraft 16w21b</version>
                    <version>Minecraft 1.10 Pre-Release 1</version>
                    <version>Minecraft 1.10</version>
                    <version>Minecraft 1.10.2</version>
                    <version>Minecraft 16w32a</version>
                    <version>Minecraft 16w32b</version>
                    <version>Minecraft 16w33a</version>
                    <version>Minecraft 16w35a</version>
                    <version>Minecraft 16w38a</version>
                    <version>Minecraft 16w39b</version>
                    <version>Minecraft 16w40a</version>
                                    <fixVersion>Minecraft 16w41a</fixVersion>
                                                        <votes>38</votes>
                                    <watches>22</watches>
                                                                            <comments>
                            <comment id="338105" author="neko" created="Thu, 27 Oct 2016 01:06:48 +0200"  >&lt;p&gt;&lt;a href=&quot;https://bugs.mojang.com/secure/ViewProfile.jspa?name=HalfOfAKebab&quot; class=&quot;user-hover&quot; rel=&quot;HalfOfAKebab&quot;&gt;HalfOfAKebab&lt;/a&gt;, that looks like &lt;a href=&quot;https://bugs.mojang.com/browse/MC-5694&quot; title=&quot;High efficiency tools / fast mining destroys some blocks client-side only&quot; class=&quot;issue-link&quot; data-issue-key=&quot;MC-5694&quot;&gt;&lt;del&gt;MC-5694&lt;/del&gt;&lt;/a&gt;.&lt;/p&gt;</comment>
                            <comment id="338099" author="halfofakebab" created="Thu, 27 Oct 2016 00:54:10 +0200"  >&lt;p&gt;I think this bug has returned in as a deadlier strain, so to speak. Since around 16w40a, I&apos;ve experienced (albeit rarely) a similar bug in survival. Here&apos;s a video I stumbled across of this bug occuring: &lt;a href=&quot;https://www.youtube.com/watch?v=Oupg58gOiZk&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://www.youtube.com/watch?v=Oupg58gOiZk&lt;/a&gt; (skip to 21:49s). This could possibly be a very detrimental bug, as, as you can see in the video, the block you&apos;re trying to place is consumed despite not being placed, and the block that is actually placed is not consumed. If this could be consistently reproduced, this could be a very bad duplication bug. For example, we could &quot;try&quot; to place a block of dirt and instead have a block of diamond placed, with the dirt being taken from the hotbar and the block of diamond not, basically turning dirt to diamond.&lt;/p&gt;</comment>
                            <comment id="335578" author="farogaming" created="Mon, 17 Oct 2016 21:54:25 +0200"  >&lt;p&gt;Ok, apparently this is fixed. I was confused by buggy weirdness.&lt;br/&gt;
I can&apos;t confirm the fix myself, because apparently this is something I never encountered. But if other people say that this is fixed, it apparently is.&lt;/p&gt;</comment>
                            <comment id="335573" author="neko" created="Mon, 17 Oct 2016 21:06:37 +0200"  >&lt;p&gt;Also cannot reproduce. &lt;a href=&quot;https://bugs.mojang.com/secure/ViewProfile.jspa?name=FaRoGaming&quot; class=&quot;user-hover&quot; rel=&quot;FaRoGaming&quot;&gt;FaRoGaming&lt;/a&gt;, does &lt;a href=&quot;https://bugs.mojang.com/browse/MC-341&quot; title=&quot;Duplication and deletion of hotbar items in Creative using number keys&quot; class=&quot;issue-link&quot; data-issue-key=&quot;MC-341&quot;&gt;&lt;del&gt;MC-341&lt;/del&gt;&lt;/a&gt; describe your issue?&lt;/p&gt;</comment>
                            <comment id="335568" author="farogaming" created="Mon, 17 Oct 2016 20:54:37 +0200"  >&lt;p&gt;Number keys exchange slots. That&apos;s what this bug is about. 1, 2, 3 and 4 are number keys.&lt;br/&gt;
I just tested and was able to duplicate/delete so much that 3 of 4 slots contained the same item at the end.&lt;/p&gt;</comment>
                            <comment id="335564" author="violine1101" created="Mon, 17 Oct 2016 19:49:20 +0200"  >&lt;p&gt;&lt;a href=&quot;https://bugs.mojang.com/secure/ViewProfile.jspa?name=FaRoGaming&quot; class=&quot;user-hover&quot; rel=&quot;FaRoGaming&quot;&gt;FaRoGaming&lt;/a&gt; I don&apos;t fully understand what you want to achieve with typing &quot;123412341234&quot; etc. Can you explain what you&apos;re actually doing with your external program? I cannot reproduce this bug anymore either by the way.&lt;/p&gt;</comment>
                            <comment id="335517" author="farogaming" created="Mon, 17 Oct 2016 12:30:42 +0200"  >&lt;p&gt;I always use an external program to test it. It automatically writes the &quot;text&quot; &lt;tt&gt;1234123412341234...&lt;/tt&gt;, but it should also be reproducable by rolling your head over the num pad. &lt;img class=&quot;emoticon&quot; src=&quot;https://bugs.mojang.com/images/icons/emoticons/wink.png&quot; height=&quot;16&quot; width=&quot;16&quot; align=&quot;absmiddle&quot; alt=&quot;&quot; border=&quot;0&quot;/&gt;&lt;br/&gt;
Success rate has gone from once every few hundred repetitions of &quot;1234&quot; before 41a to now once every ~3.000 repetitions. Not really a huge issue, but one time I also got it without trying, during normal playing.&lt;/p&gt;</comment>
                            <comment id="335515" author="frubasilicum" created="Mon, 17 Oct 2016 12:23:14 +0200"  >&lt;p&gt;Do you have any steps on how to reproduce it in 16w41a? Because I can&apos;t reproduce it since 16w40a... Thank you!&lt;/p&gt;</comment>
                            <comment id="334884" author="farogaming" created="Thu, 13 Oct 2016 18:25:55 +0200"  >&lt;p&gt;Nope, not fixed in 16w41a. Seems to appear a bit less, but it&apos;s not fixed.&lt;/p&gt;</comment>
                            <comment id="334423" author="JIRAUSER71590" created="Mon, 10 Oct 2016 18:19:49 +0200"  >&lt;p&gt;It&apos;s not fixed in 16w40a, just checked to be sure.&lt;/p&gt;</comment>
                            <comment id="334417" author="jayceebee" created="Mon, 10 Oct 2016 17:44:25 +0200"  >&lt;p&gt;Fixed in 16w40a.&lt;/p&gt;</comment>
                            <comment id="332806" author="marcono1234" created="Sat, 1 Oct 2016 22:41:31 +0200"  >&lt;p&gt;Please link to this comment in the description&lt;/p&gt;

&lt;p&gt;The following is based on a decompiled version of Minecraft 1.10 using MCP 9.30.&lt;/p&gt;

&lt;p&gt;The reason for this is probably that the method &lt;tt&gt;net.minecraft.client.gui.inventory.GuiContainerCreative.handleMouseClick(Slot, int, int, ClickType)&lt;/tt&gt; only sends one slot update. The problem in general is that the creative GUI does not use the same inventory mechanics as the survival inventory, which means it has to send a slot update every time instead of having the server do some of the work.&lt;/p&gt;</comment>
                            <comment id="330477" author="violine1101" created="Tue, 20 Sep 2016 17:08:34 +0200"  >&lt;p&gt;Still in 16w38a.&lt;/p&gt;</comment>
                            <comment id="328018" author="violine1101" created="Thu, 1 Sep 2016 16:38:41 +0200"  >&lt;p&gt;Still in 16w35a.&lt;/p&gt;</comment>
                            <comment id="326135" author="bemoty" created="Fri, 19 Aug 2016 15:40:14 +0200"  >&lt;p&gt;Still happens in 16w33a.&lt;/p&gt;</comment>
                            <comment id="325399" author="JIRAUSER71590" created="Sun, 14 Aug 2016 22:07:09 +0200"  >&lt;p&gt;They&apos;re already marked as related, so it doesn&apos;t really matter that much.&lt;/p&gt;</comment>
                            <comment id="325397" author="pokechu22" created="Sun, 14 Aug 2016 22:06:00 +0200"  >&lt;p&gt;Is it necessary to relink every report? I&apos;ve seen other tickets which are duplicates but still have other duplicates linked to it.  Though it would still be a bit confusing.&lt;/p&gt;</comment>
                            <comment id="325393" author="JIRAUSER71590" created="Sun, 14 Aug 2016 21:42:52 +0200"  >&lt;p&gt;It is already marked as related, and resolving this one to that is too much work, really (relinking every single report).&lt;/p&gt;</comment>
                            <comment id="325392" author="bemoty" created="Sun, 14 Aug 2016 21:40:30 +0200"  >&lt;p&gt;Duplicate of &lt;a href=&quot;https://bugs.mojang.com/browse/MC-341&quot; title=&quot;Duplication and deletion of hotbar items in Creative using number keys&quot; class=&quot;issue-link&quot; data-issue-key=&quot;MC-341&quot;&gt;&lt;del&gt;MC-341&lt;/del&gt;&lt;/a&gt;.&lt;br/&gt;
Since &lt;a href=&quot;https://bugs.mojang.com/browse/MC-341&quot; title=&quot;Duplication and deletion of hotbar items in Creative using number keys&quot; class=&quot;issue-link&quot; data-issue-key=&quot;MC-341&quot;&gt;&lt;del&gt;MC-341&lt;/del&gt;&lt;/a&gt; is older than &lt;a href=&quot;https://bugs.mojang.com/browse/MC-2912&quot; title=&quot;Creative Mode Hotbar Glitch when using Number Key to exchange items slots&quot; class=&quot;issue-link&quot; data-issue-key=&quot;MC-2912&quot;&gt;&lt;del&gt;MC-2912&lt;/del&gt;&lt;/a&gt;, &lt;a href=&quot;https://bugs.mojang.com/browse/MC-2912&quot; title=&quot;Creative Mode Hotbar Glitch when using Number Key to exchange items slots&quot; class=&quot;issue-link&quot; data-issue-key=&quot;MC-2912&quot;&gt;&lt;del&gt;MC-2912&lt;/del&gt;&lt;/a&gt; can be resolved then. (I guess)&lt;/p&gt;</comment>
                            <comment id="324689" author="__null" created="Wed, 10 Aug 2016 19:54:36 +0200"  >&lt;p&gt;Yeah, I think this is a duplicate of &lt;a href=&quot;https://bugs.mojang.com/browse/MC-341&quot; title=&quot;Duplication and deletion of hotbar items in Creative using number keys&quot; class=&quot;issue-link&quot; data-issue-key=&quot;MC-341&quot;&gt;&lt;del&gt;MC-341&lt;/del&gt;&lt;/a&gt;.&lt;/p&gt;</comment>
                            <comment id="321083" author="farogaming" created="Sat, 16 Jul 2016 18:14:22 +0200"  >&lt;p&gt;Wait, isn&apos;t this the same as &lt;a href=&quot;https://bugs.mojang.com/browse/MC-341&quot; title=&quot;Duplication and deletion of hotbar items in Creative using number keys&quot; class=&quot;issue-link&quot; data-issue-key=&quot;MC-341&quot;&gt;&lt;del&gt;MC-341&lt;/del&gt;&lt;/a&gt;, not only related?&lt;/p&gt;</comment>
                            <comment id="321082" author="farogaming" created="Sat, 16 Jul 2016 18:11:19 +0200"  >&lt;p&gt;Btw, I was able to reproduce it now. I made another program spam the number keys really, really fast. But I can only reproduce it that way.&lt;/p&gt;</comment>
                            <comment id="318206" author="neko" created="Wed, 29 Jun 2016 05:18:29 +0200"  >&lt;p&gt;Odd, I can reproduce using the same steps you&apos;re using.&lt;/p&gt;</comment>
                            <comment id="318201" author="farogaming" created="Wed, 29 Jun 2016 04:38:09 +0200"  >&lt;p&gt;Can&apos;t confirm in 1.10.2, although someone else apparently could (duplicate). What do I do wrong?&lt;br/&gt;
&lt;a href=&quot;https://www.dropbox.com/s/ylyvhlsqwaqo87r/2016-06-29%2004-34-51.mp4?dl=0&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://www.dropbox.com/s/ylyvhlsqwaqo87r/2016-06-29%2004-34-51.mp4?dl=0&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="312145" author="violine1101" created="Thu, 9 Jun 2016 15:40:17 +0200"  >&lt;p&gt;Still in 1.10&lt;/p&gt;</comment>
                            <comment id="309312" author="violine1101" created="Thu, 2 Jun 2016 19:37:27 +0200"  >&lt;p&gt;Still in 1.10-pre1&lt;/p&gt;</comment>
                            <comment id="307312" author="violine1101" created="Wed, 25 May 2016 18:51:04 +0200"  >&lt;p&gt;Still in 16w21a and 16w21b&lt;/p&gt;</comment>
                            <comment id="306347" author="les3awe" created="Sat, 21 May 2016 20:35:17 +0200"  >&lt;p&gt;Confirmed for 16w20a&lt;/p&gt;</comment>
                            <comment id="303972" author="rays" created="Wed, 11 May 2016 05:20:53 +0200"  >&lt;p&gt;Confirm 1.9.4.&lt;br/&gt;
&lt;a href=&quot;https://gyazo.com/429bf157638f50a8c04b0673c7dcc1f1&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://gyazo.com/429bf157638f50a8c04b0673c7dcc1f1&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="303827" author="violine1101" created="Tue, 10 May 2016 16:07:41 +0200"  >&lt;p&gt;Still in 1.9.4&lt;/p&gt;</comment>
                            <comment id="299450" author="mario@fridrichovsky.at" created="Sun, 10 Apr 2016 10:26:06 +0200"  >&lt;p&gt;still persistent in 1.9.2&lt;/p&gt;</comment>
                            <comment id="287303" author="swdv" created="Thu, 18 Feb 2016 18:57:16 +0100"  >&lt;p&gt;Confirmed for 1.9-pre1 and &lt;b&gt;1.9-pre2&lt;/b&gt;.&lt;br/&gt;
Also, some weird thing I noticed: the items are &lt;em&gt;actually&lt;/em&gt; swapped when closing and opening the inventory (pickup animation plays).&lt;/p&gt;</comment>
                            <comment id="285032" author="suncat" created="Sat, 13 Feb 2016 05:52:07 +0100"  >&lt;p&gt;Confirmed for 16w06a&lt;/p&gt;</comment>
                            <comment id="270525" author="violine1101" created="Sat, 5 Dec 2015 21:19:07 +0100"  >&lt;p&gt;Confirmed for 15w49b.&lt;/p&gt;</comment>
                            <comment id="266104" author="swdv" created="Wed, 18 Nov 2015 21:01:29 +0100"  >&lt;p&gt;Confirmed for 15w47a and &lt;b&gt;15w47c&lt;/b&gt;&lt;/p&gt;</comment>
                            <comment id="265116" author="swekob" created="Sun, 15 Nov 2015 15:27:56 +0100"  >&lt;p&gt;Confirmed for 15w46a&lt;/p&gt;</comment>
                            <comment id="262049" author="swdv" created="Thu, 5 Nov 2015 20:27:03 +0100"  >&lt;p&gt;Confirmed for 15w45a&lt;/p&gt;</comment>
                            <comment id="259174" author="swdv" created="Wed, 28 Oct 2015 18:33:24 +0100"  >&lt;p&gt;Confirmed for 15w44a and &lt;b&gt;15w44b&lt;/b&gt;&lt;/p&gt;</comment>
                            <comment id="257435" author="swdv" created="Thu, 22 Oct 2015 18:04:05 +0200"  >&lt;p&gt;Confirmed for 15w43b and &lt;b&gt;15w43c&lt;/b&gt;&lt;/p&gt;</comment>
                            <comment id="255411" author="wessh" created="Wed, 14 Oct 2015 21:50:11 +0200"  >&lt;p&gt;Can confirm for 15w42a&lt;/p&gt;</comment>
                            <comment id="255286" author="swdv" created="Wed, 14 Oct 2015 17:27:39 +0200"  >&lt;p&gt;Confirmed for 15w42a&lt;/p&gt;</comment>
                            <comment id="253713" author="swdv" created="Wed, 7 Oct 2015 17:29:04 +0200"  >&lt;p&gt;Still happening in 15w41b&lt;/p&gt;</comment>
                            <comment id="252607" author="swdv" created="Wed, 30 Sep 2015 18:30:39 +0200"  >&lt;p&gt;Still present in 15w40b&lt;/p&gt;</comment>
                            <comment id="251251" author="swdv" created="Mon, 21 Sep 2015 21:15:09 +0200"  >&lt;p&gt;Confirmed for 15w39b, but does not always happen.&lt;/p&gt;</comment>
                            <comment id="249815" author="neko" created="Wed, 16 Sep 2015 02:59:08 +0200"  >&lt;p&gt;Confirmed for 15w37a&lt;/p&gt;</comment>
                            <comment id="244247" author="neko" created="Thu, 20 Aug 2015 21:59:45 +0200"  >&lt;p&gt;Confirmed for 15w34b&lt;/p&gt;</comment>
                            <comment id="241364" author="benny57358" created="Sat, 8 Aug 2015 19:03:07 +0200"  >&lt;p&gt;confirmed 15w32c&lt;/p&gt;</comment>
                            <comment id="240993" author="ericz1" created="Fri, 7 Aug 2015 07:44:47 +0200"  >&lt;p&gt;Confirmed for 15w32b.&lt;/p&gt;</comment>
                            <comment id="228397" author="ericz1" created="Mon, 25 May 2015 20:53:20 +0200"  >&lt;p&gt;Confirmed for 1.8.4, 1.8.5 and 1.8.6.&lt;/p&gt;</comment>
                            <comment id="223146" author="violine1101" created="Fri, 27 Mar 2015 22:04:25 +0100"  >&lt;p&gt;Confirmed for 1.8.3 Singleplayer.&lt;/p&gt;</comment>
                            <comment id="213949" author="ericz1" created="Fri, 26 Dec 2014 21:42:13 +0100"  >&lt;p&gt;Confirmed for 1.8.2-pre1. This makes number key switching useless in Creative mode as they only create hassle instead of helping the player.&lt;/p&gt;</comment>
                            <comment id="208055" author="ericz1" created="Fri, 7 Nov 2014 05:38:14 +0100"  >&lt;p&gt;Confirmed in 1.8.1-pre4.&lt;/p&gt;</comment>
                            <comment id="199867" author="redstonehelper" created="Sun, 14 Sep 2014 02:38:40 +0200"  >&lt;p&gt;Confirmed for 1.8, different steps to reproduce:&lt;/p&gt;

&lt;p&gt;1. Create new creative world&lt;br/&gt;
2. Put a sword in your first hotbar slot&lt;br/&gt;
3. While hovering over it, hit the 2 key&lt;br/&gt;
4. Close your inventory&lt;br/&gt;
5. Hit the &quot;2&quot; key&lt;br/&gt;
6. Hit a block - it will be destroyed, which swords are not supposed to do in creative mode&lt;/p&gt;</comment>
                            <comment id="166992" author="14ercooper" created="Mon, 23 Jun 2014 05:15:32 +0200"  >&lt;p&gt;Confirmed for 14w25b&lt;/p&gt;</comment>
                            <comment id="156138" author="garyclosse" created="Wed, 7 May 2014 12:25:29 +0200"  >&lt;p&gt;Confirmed for 14w18b.&lt;/p&gt;</comment>
                            <comment id="147939" author="djimusic" created="Tue, 18 Mar 2014 09:57:58 +0100"  >&lt;p&gt;This is confirmed for the latest snapshot. Please look into it. The way that I reproduce it is by opening up your inventory, hovering over slot 2-9, and pushing one to move it to slot one. When you place that block, it goes back to the block that was there before.&lt;/p&gt;</comment>
                            <comment id="142507" author="kwerti" created="Sat, 22 Feb 2014 20:38:26 +0100"  >&lt;p&gt;This also happens when dropping items from the creative inventory survival tab. Items disappear when dropped from other tabs.&lt;/p&gt;</comment>
                            <comment id="123802" author="nekojonez" created="Sat, 7 Dec 2013 17:09:47 +0100"  >&lt;p&gt;To the comment above. I have to correct you a little bit on something. If you follow the instructions and DRAG the items, it doesn&apos;t work.&lt;/p&gt;

&lt;p&gt;Also, when you right click with the sword, it changes into a bucket. &lt;/p&gt;

&lt;p&gt;I do confirm that this bug works. And the sword stays a sword, even when you scroll away.&lt;/p&gt;

&lt;p&gt;I think the issue is that the game thinks it&apos;s a bucket while a sword is displayed.&lt;/p&gt;</comment>
                            <comment id="123789" author="aerotactics" created="Sat, 7 Dec 2013 15:58:33 +0100"  >&lt;p&gt;&lt;b&gt;Reproduced in 1.7.3!&lt;/b&gt;&lt;/p&gt;

&lt;p&gt;-In creative, start with an empty inventory, and put a sword as the first item in your hotbar.&lt;br/&gt;
-Place a water bucket as the second item. Switch to your sword outside of the inventory.&lt;br/&gt;
-Try breaking blocks with the sword (you can&apos;t), but you can with the bucket.&lt;br/&gt;
-Back in your inventory, hover your mouse over the sword and press &lt;b&gt;2&lt;/b&gt;. Exit your inventory.&lt;br/&gt;
-&lt;b&gt;Both&lt;/b&gt; will be able to break blocks, but one won&apos;t produce sound.&lt;/p&gt;

&lt;p&gt;&lt;b&gt;NOTES&lt;/b&gt;:The other way around doesn&apos;t work (hovering over item 2 and pressing &quot;1&quot;), the bug doesn&apos;t work in survival; however, if you do this bug in creative, then switch to survival, if you try picking up the sword in your inventory, it will turn into a bucket of water, and the other bucket of water stays as a bucket of water (you lose the sword). At one point during testing, I ran into another bug, where some blocks were &quot;unloaded&quot;, or invisible, and didn&apos;t appear until after relog; the only way I could tell they were there was that water wasn&apos;t getting to them. Done on Windows 8 (if that makes a difference).&lt;/p&gt;

&lt;p&gt;WOW this bug is THAT old? Who knew?&lt;/p&gt;</comment>
                            <comment id="99905" author="silentjelly" created="Thu, 22 Aug 2013 15:29:39 +0200"  >&lt;p&gt;Extremely strange behavior when I was testing swapping different tools (e.g. bows, swords, empty buckets) but the results weren&apos;t consistent.&lt;br/&gt;
Swords seem to be the most buggy especially when swapped with a bow.&lt;/p&gt;</comment>
                            <comment id="96065" author="redstonefreak589" created="Wed, 31 Jul 2013 20:13:00 +0200"  >&lt;p&gt;Can confirm. Video link: &lt;a href=&quot;http://www.youtube.com/watch?v=NaivsG1DZpU&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;http://www.youtube.com/watch?v=NaivsG1DZpU&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="59855" author="bedelato" created="Thu, 11 Apr 2013 01:09:41 +0200"  >&lt;p&gt;My theory is that it&apos;s caused by whatever code makes items not disappear (i.e. be &quot;copied&quot; instead of &quot;moved&quot;) when picked up from the upper part of the creative inventory. For some reason, this code is applying to the hotbar slots on these screens too, but only when number keys are used.&lt;/p&gt;

&lt;p&gt;Normally, when you are in one of the category tabs in the creative inventory, pressing a number key on a slot in the upper, scrollable part copies a full stack of whatever was selected into the corresponding hotbar slot.&lt;/p&gt;

&lt;p&gt;For some reason, when a number key is used on a hotbar slot, the same code is running, causing the item to be duplicated into the specified slot; however, unlike the above behavior, this copies the quantity of the item too, instead of giving a full stack. The client switches the items on the screen, but on the server side what actually took place was a duplication; this doesn&apos;t become visible to the player until the client recieves an inventory update.&lt;/p&gt;

&lt;p&gt;As for why slots 3 and 7 are unaffected, I have no clue.&lt;/p&gt;</comment>
                            <comment id="59832" author="bedelato" created="Wed, 10 Apr 2013 22:56:50 +0200"  >&lt;p&gt;Found a reliable way to reproduce in 1.5.1 creative singleplayer.&lt;/p&gt;

&lt;p&gt;&lt;b&gt;If you are viewing the survival inventory&lt;/b&gt; in creative mode (the bottom-right tab, with the chest icon), using number keys in the hotbar works as expected.&lt;/p&gt;

&lt;p&gt;&lt;b&gt;In any other tab&lt;/b&gt; of the creative inventory, switching items in the hotbar with number keys causes the following behavior: After exiting the creative inventory, selecting the hotbar slot corresponding to the pressed number key and attempting to use that item (by right-clicking) causes whatever item is in that slot to be replaced with what was in there previously (i.e. before switching). The contents of the slots do not matter (&lt;b&gt;edit:&lt;/b&gt; see below), for example if &quot;2&quot; is pressed over an empty hotbar slot, right-clicking with slot 2 selected will effectively &quot;delete&quot; the contents. &lt;br/&gt;
&lt;b&gt;Edit:&lt;/b&gt; Further testing has shown that hotbar slots 3 and 7 (i.e. pressing the number keys &quot;3&quot; and &quot;7&quot;) seem to be unaffected by this bug for whatever reason.&lt;br/&gt;
&lt;b&gt;Edit:&lt;/b&gt; If a number key is pressed corresponding to a slot, and the item in that slot is a potion or splash potion, the behavior becomes unpredictable, appearing to depend on many different factors: The item is duplicated as described above, but the behavior on right-clicking varies in complicated ways. Items other than (splash) potions in the affected slot seem to follow the rules above.&lt;/p&gt;


&lt;p&gt;After switching hotbar items in this manner (using number keys, on any tab other than survival inventory), the following actions will cancel the effect and revert to normal behavior:&lt;br/&gt;
-Exiting and re-opening the inventory.&lt;br/&gt;
-Further manipulation of items in the inventory, by any means, including mouse action or number keys; however the latter may trigger the bug anew in addition to canceling the previous effect, if not done on the survival inventory tab.&lt;/p&gt;

&lt;p&gt;Pressing the same number key on the same slot twice (or any even number of times) will behave as expected, doing nothing to the items.&lt;/p&gt;

&lt;p&gt;&lt;b&gt;Example:&lt;/b&gt;&lt;br/&gt;
In the creative mode inventory, place a lever in hotbar slot 1, and redstone in hotbar slot 2. Open the creative mode inventory and go to the &quot;Building Blocks&quot; tab (top left, with bricks icon; any tab other than the survival inventory will work.) Put the cursor on the redstone and press &quot;1&quot;. Visually, the items will appear to have been switched; there will now appear to be a lever in slot 2 and redstone in slot 1. Exit the inventory screen.&lt;/p&gt;

&lt;p&gt;Trying to place a lever (now in slot 2) works as expected.&lt;br/&gt;
Trying to place redstone (in slot 1) causes a lever to appear in the hotbar in place of the redstone (effectively duplicating the lever), and for all intents and purposes the game acts as if you had a lever in that slot.&lt;br/&gt;
Attempting to drop the redstone (by default with Q) drops a lever instead.&lt;/p&gt;
</comment>
                            <comment id="24006" author="firehunterx" created="Thu, 22 Nov 2012 01:52:25 +0100"  >&lt;p&gt;When I do it it replaces the current inventory slot with the other one I switched.&lt;br/&gt;
EDIT- Doesn&apos;t require to to place the block, just right-click (or whatever button you may have it set to.)&lt;br/&gt;
EDIT again-I was able to successfully do this in survival, duplicating Emeralds. It took a while, so it may be a phantom glitch.&lt;/p&gt;</comment>
                            <comment id="21334" author="kumasasa" created="Wed, 14 Nov 2012 02:11:58 +0100"  >&lt;p&gt;Confirmed also for 1.4.4&lt;/p&gt;</comment>
                            <comment id="21241" author="cubethethird" created="Tue, 13 Nov 2012 13:53:22 +0100"  >&lt;p&gt;Can confirm.&lt;/p&gt;</comment>
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