Apache Solr 1.4 is officially released

After many months of hard work, Solr 1.4 is completed and released. To learn more about the 1.4 release, check out:

Read the “What’s New in Apache Solr 1.4” White Paper
And view the webinar: “Solr 1.4 – Faster, Easier and more Versatile than Ever” featuring Erik Hatcher

The Certified Distribution of Solr 1.4, the fully tested version with lots of useful tools and 30 days free getting started assistance, will follow shortly.

Share the knowledge

You Might Also Like

Mastering B2B Manufacturing Parts Search: Enhancing Supply Chain Efficiency

In modern manufacturing, finding the right part at the right time is...

Why We Built AI Ranking Insights: Making Search Rankings Finally Explainable

If you’ve ever owned search relevance, especially in a large B2B or...

Lucidworks AI Chunking: The Missing Foundation for Accurate Enterprise AI

Behind every AI-powered search, assistant, or generative experience sits a massive volume...

img:is([sizes=auto i],[sizes^="auto," i]){contain-intrinsic-size:3000px 1500px}.wp-block-button__link{color:#fff;background-color:#32373c;border-radius:9999px;box-shadow:none;text-decoration:none;padding:calc(.667em + 2px) calc(1.333em + 2px);font-size:1.125em}.wp-block-file__button{background:#32373c;color:#fff;text-decoration:none}.wpml-ls-slot-2290,.wpml-ls-slot-2290 a,.wpml-ls-slot-2290 a:visited{background-color:#223060;color:#fff}.wpml-ls-slot-2290:hover,.wpml-ls-slot-2290:hover a,.wpml-ls-slot-2290 a:hover{color:#ed308b;background-color:#223060}.wpml-ls-slot-2290.wpml-ls-current-language,.wpml-ls-slot-2290.wpml-ls-current-language a,.wpml-ls-slot-2290.wpml-ls-current-language a:visited{color:#fff;background-color:#223060}.wpml-ls-slot-2290.wpml-ls-current-language:hover,.wpml-ls-slot-2290.wpml-ls-current-language:hover a,.wpml-ls-slot-2290.wpml-ls-current-language a:hover{color:#ed308b;background-color:#223060}.wpml-ls-slot-2290.wpml-ls-current-language .wpml-ls-slot-2290,.wpml-ls-slot-2290.wpml-ls-current-language .wpml-ls-slot-2290 a,.wpml-ls-slot-2290.wpml-ls-current-language .wpml-ls-slot-2290 a:visited{background-color:#223060;color:#fff}.wpml-ls-slot-2290.wpml-ls-current-language .wpml-ls-slot-2290:hover,.wpml-ls-slot-2290.wpml-ls-current-language .wpml-ls-slot-2290:hover a,.wpml-ls-slot-2290.wpml-ls-current-language .wpml-ls-slot-2290 a:hover{color:#ed308b;background-color:#223060}div.heateor_sssp_horizontal_sharing a{width:9% !important}div.heateor_sssp_horizontal_sharing span.heateor_sssp_svg{width:calc(100% - 1px) !important}div.heateorSsspTCBackground{width:100% !important}div.heateor_sssp_horizontal_sharing ul.heateor_sssp_ul_instance_1 li{width:9.0909090909091%}div.heateor_sssp_horizontal_sharing ul.heateor_sssp_ul_instance_2 li{width:9.0909090909091%}div.heateor_sssp_horizontal_sharing ul.heateor_sssp_ul_instance_3 li{width:10%}.heateor_sssp_button_instagram span.heateor_sssp_svg,a.heateor_sssp_instagram span.heateor_sssp_svg{background:radial-gradient(circle at 30% 107%,#fdf497 0,#fdf497 5%,#fd5949 45%,#d6249f 60%,#285aeb 90%)}.heateor_sssp_horizontal_sharing span.heateor_sssp_svg,.heateor_sssp_standard_follow_icons_container .heateor_sssp_svg{color:#fff;border-width:0px;border-style:solid;border-color:transparent}.heateor_sssp_horizontal_sharing .heateorSsspTCBackground{color:#666}.heateor_sssp_horizontal_sharing span.heateor_sssp_svg:hover,.heateor_sssp_standard_follow_icons_container .heateor_sssp_svg:hover{border-color:transparent}.heateor_sssp_vertical_sharing span.heateor_sssp_svg,.heateor_sssp_floating_follow_icons_container .heateor_sssp_svg{color:#fff;border-width:0px;border-style:solid;border-color:transparent}.heateor_sssp_vertical_sharing .heateorSsspTCBackground{color:#666}.heateor_sssp_vertical_sharing span.heateor_sssp_svg:hover,.heateor_sssp_floating_follow_icons_container .heateor_sssp_svg:hover{border-color:transparent}@media screen and (max-width:783px){.heateor_sssp_vertical_sharing{display:none !important}}@media screen and (max-width:783px){.heateor_sssp_floating_follow_icons_container{display:none !important}}.top-bar ul.menu li.parent .sub-menu li.ai-app-studio:before{background-image:url("data:image/svg+xml,%3Csvg xmlns=\'http://www.w3.org/2000/svg\' width=\'20\' height=\'20\' viewBox=\'0 0 20 20\' fill=\'none\'%3E%3Cg clip-path=\'url(%23clip0_1782_44788)\'%3E%3Cpath d=\'M17 3H3V13H17V3Z\' stroke=\'%231F66E5\' stroke-width=\'2\' stroke-linecap=\'round\' stroke-linejoin=\'round\'/%3E%3Cpath d=\'M10 17V13\' stroke=\'%231F66E5\' stroke-width=\'2\' stroke-linecap=\'round\' stroke-linejoin=\'round\'/%3E%3Cpath d=\'M7 17H13\' stroke=\'%231F66E5\' stroke-width=\'2\' stroke-linecap=\'round\' stroke-linejoin=\'round\'/%3E%3Cpath d=\'M12 8C11.12 8.41 10.41 9.12 10 10C9.59 9.12 8.88 8.41 8 8C8.88 7.59 9.59 6.88 10 6C10.41 6.88 11.12 7.59 12 8Z\' stroke=\'%231F66E5\' stroke-width=\'1.75\' stroke-linecap=\'round\' stroke-linejoin=\'round\'/%3E%3C/g%3E%3Cdefs%3E%3CclipPath id=\'clip0_1782_44788\'%3E%3Crect width=\'16\' height=\'16\' fill=\'white\' transform=\'translate(2 2)\'/%3E%3C/clipPath%3E%3C/defs%3E%3Cscript xmlns=\'\'/%3E%3C/svg%3E")}.top-bar-right{display:flex;flex:0 0 100%;position:relative}.top-bar-right form{max-width:300px;width:auto !important}.top-bar-right form input{margin-bottom:0;margin-right:0;border-radius:999px;max-width:100%;width:100%}@media screen and (min-width: 64em){.top-bar-right{flex:1 !important;justify-content:space-evenly !important}}.hover-animation{position:relative;overflow:hidden;background-color:transparent;color:#fff;border:1px solid #fff;padding:.75rem 1rem;font-size:.875rem;font-weight:500;cursor:pointer;line-height:normal;border-radius:999px;transition:color .4s ease,border-color .4s ease}.hover-animation span{position:relative;z-index:1;transition:color .4s ease}.hover-animation::before{content:"";position:absolute;top:0;left:0;width:100%;height:100%;background-color:#b3d4fc;z-index:0;transform:translateX(-100%);transition:transform .5s ease}.hover-animation.anim-in::before{transform:translateX(0%)}.hover-animation.anim-out::before{transform:translateX(100%)}.hover-animation.reset::before{transition:none !important;transform:translateX(-100%) !important}.hover-animation.text-primary span{color:#1c2140 !important}.hover-animation.text-white span{color:#fff}.hover-animation.anim-in{border-color:#b3d4fc}.hover-animation.anim-out{border-color:#fff}.hover-animation.reset{border-color:#fff !important;transition:none !important}.hover-animation:hover{text-decoration:none;color:#fff !important}.hover-animation:hover span{text-decoration:none;color:#fff !important}.hover-animation.anim-in:hover span{color:#1c2140}.hover-animation.anim-out:hover span{color:#1c2140}.topic-slider .slick-arrow{display:none !important}.side-widget{display:none}.hero-marquee.split #hero-dots-alt{display:none}@media screen and (min-width: 1024px){.side-widget{display:block}.hero-marquee.split #hero-dots-alt{display:block}}@media screen and (max-width: 1024px){.top-bar ul.menu li:hover a{max-width:fit-content}}.customers .hero-marquee h1{font-size:2.25rem;text-transform:none}.customers .hero-marquee h1 span{font-family:"Public Sans",sans-serif;display:block}.page-id-56309 #mktoForm_5173 .mktoRadioList label{display:block !important;margin-bottom:8px;white-space:normal !important}.page-id-56309 #mktoForm_5173 .mktoRadioList input[type="radio"]{margin-right:6px}.featured-section .icon{max-width:160px !important}body.post-type-archive-lw_resources .featured-section .inner a{margin-bottom:0 !important}.split-right-image{display:block}.split-right-image .row{align-items:center}.split-right-image .text-box-inner{display:flex;flex-direction:column;gap:16px;justify-content:center;align-items:center;min-height:100%}@media screen and (min-width: 768px){.split-right-image .text-box-inner{padding:60px 40px}}@media screen and (min-width: 1024px){.split-right-image .text-box-inner{padding:80px 20px}}.split-right-image .text-box-inner.floated{text-align:center}@media screen and (min-width: 1024px){.split-right-image .text-box-inner.floated{align-items:flex-start;text-align:initial;max-width:480px}}.split-right-image .text-box-inner h2{font-weight:700;font-size:32px;line-height:1.3;font-family:"Funnel Display",sans-serif;margin-bottom:0}.split-right-image .text-box-inner h3{font-weight:700;font-size:18px;line-height:1.5;font-family:"Public Sans",sans-serif;margin-bottom:0}.split-right-image .text-box-inner p{font-weight:400;font-size:16px;line-height:1.6;font-family:"Public Sans",sans-serif;margin-bottom:0}.split-right-image .text-box-inner .cta{border-radius:999px;padding:15px 24px;background-color:#1f66e5;font-weight:700;font-size:16px;line-height:1;text-align:center;cursor:pointer;color:#fff;font-family:"Public Sans",sans-serif;display:inline-block;text-decoration:none}.split-right-image .text-box-inner.text-left{align-items:flex-start;text-align:left}.split-right-image .text-box-inner.text-center{align-items:center;text-align:center}.split-right-image .text-box-inner.text-right{align-items:flex-end;text-align:right}.split-right-image .image-block{width:100%;padding:0 20px 60px;position:relative}@media screen and (min-width: 768px){.split-right-image .image-block{padding:40px}}@media screen and (min-width: 1024px){.split-right-image .image-block{padding:80px .08em 80px 0}}.split-right-image .image-block img{display:block;width:100%;height:auto;margin-top:-60px}@media screen and (min-width: 1024px){.split-right-image .image-block img{margin-top:0;margin-left:-70px}}@media screen and (min-width: 1280px){.split-right-image .image-block img{margin-left:-160px}}.split-right-image .image-std img{width:100%;height:auto;margin-top:1.5rem}@media screen and (min-width: 1024px){.split-right-image .image-std img{margin-top:0}}.wp-block-tableberg-styled-list-item figure,.wp-block-tableberg-styled-list-item img,.wp-block-tableberg-styled-list-item svg{width:24px !important;max-width:24px !important;height:24px !important;min-width:24px !important;object-fit:contain !important;margin:0 !important}.wp-block-tableberg-styled-list-item{display:flex !important;flex-direction:row !important;align-items:center !important;justify-content:flex-start !important;gap:12px !important}.wp-block-tableberg-styled-list,.wp-block-tableberg-styled-list ul,.wp-block-tableberg-styled-list li{list-style:none !important;padding-left:0 !important;margin-left:0 !important}.wp-block-tableberg-styled-list li::before,.wp-block-tableberg-styled-list-item::before{content:none !important;display:none !important}.wp-block-tableberg-block{max-width:1200px;margin:0 auto}.text-image-or-video-section{padding:2.5rem 0}@media screen and (min-width: 1024px){.text-image-or-video-section{padding:5rem 0}}body.single-lw_events .single-body .article-inner .article-marquee{margin-bottom:1.5rem}body.single-lw_events .single-body .gated-form input{width:100% !important}body.single-lw_events .single-body .gated-form .mktoFormRow .mktoFormCol{width:100% !important}.single-body .video-layout{text-align:left !important}.is-small-text{font-size:.875em}.is-regular-text{font-size:1em}.is-large-text{font-size:2.25em}.is-larger-text{font-size:3em}.has-drop-cap:not(:focus):first-letter{float:left;font-size:8.4em;font-style:normal;font-weight:100;line-height:.68;margin:.05em .1em 0 0;text-transform:uppercase}body.rtl .has-drop-cap:not(:focus):first-letter{float:none;margin-left:.1em}p.has-drop-cap.has-background{overflow:hidden}:root :where(p.has-background){padding:1.25em 2.375em}:where(p.has-text-color:not(.has-link-color)) a{color:inherit}p.has-text-align-left[style*="writing-mode:vertical-lr"],p.has-text-align-right[style*="writing-mode:vertical-rl"]{rotate:180deg}h1:where(.wp-block-heading).has-background,h2:where(.wp-block-heading).has-background,h3:where(.wp-block-heading).has-background,h4:where(.wp-block-heading).has-background,h5:where(.wp-block-heading).has-background,h6:where(.wp-block-heading).has-background{padding:1.25em 2.375em}h1.has-text-align-left[style*=writing-mode]:where([style*=vertical-lr]),h1.has-text-align-right[style*=writing-mode]:where([style*=vertical-rl]),h2.has-text-align-left[style*=writing-mode]:where([style*=vertical-lr]),h2.has-text-align-right[style*=writing-mode]:where([style*=vertical-rl]),h3.has-text-align-left[style*=writing-mode]:where([style*=vertical-lr]),h3.has-text-align-right[style*=writing-mode]:where([style*=vertical-rl]),h4.has-text-align-left[style*=writing-mode]:where([style*=vertical-lr]),h4.has-text-align-right[style*=writing-mode]:where([style*=vertical-rl]),h5.has-text-align-left[style*=writing-mode]:where([style*=vertical-lr]),h5.has-text-align-right[style*=writing-mode]:where([style*=vertical-rl]),h6.has-text-align-left[style*=writing-mode]:where([style*=vertical-lr]),h6.has-text-align-right[style*=writing-mode]:where([style*=vertical-rl]){rotate:180deg}:root{--wp--preset--aspect-ratio--square:1;--wp--preset--aspect-ratio--4-3:4/3;--wp--preset--aspect-ratio--3-4:3/4;--wp--preset--aspect-ratio--3-2:3/2;--wp--preset--aspect-ratio--2-3:2/3;--wp--preset--aspect-ratio--16-9:16/9;--wp--preset--aspect-ratio--9-16:9/16;--wp--preset--color--black:#000;--wp--preset--color--cyan-bluish-gray:#abb8c3;--wp--preset--color--white:#fff;--wp--preset--color--pale-pink:#f78da7;--wp--preset--color--vivid-red:#cf2e2e;--wp--preset--color--luminous-vivid-orange:#ff6900;--wp--preset--color--luminous-vivid-amber:#fcb900;--wp--preset--color--light-green-cyan:#7bdcb5;--wp--preset--color--vivid-green-cyan:#00d084;--wp--preset--color--pale-cyan-blue:#8ed1fc;--wp--preset--color--vivid-cyan-blue:#0693e3;--wp--preset--color--vivid-purple:#9b51e0;--wp--preset--gradient--vivid-cyan-blue-to-vivid-purple:linear-gradient(135deg,#0693e3 0%,#9b51e0 100%);--wp--preset--gradient--light-green-cyan-to-vivid-green-cyan:linear-gradient(135deg,#7adcb4 0%,#00d082 100%);--wp--preset--gradient--luminous-vivid-amber-to-luminous-vivid-orange:linear-gradient(135deg,#fcb900 0%,#ff6900 100%);--wp--preset--gradient--luminous-vivid-orange-to-vivid-red:linear-gradient(135deg,#ff6900 0%,#cf2e2e 100%);--wp--preset--gradient--very-light-gray-to-cyan-bluish-gray:linear-gradient(135deg,#eee 0%,#a9b8c3 100%);--wp--preset--gradient--cool-to-warm-spectrum:linear-gradient(135deg,#4aeadc 0%,#9778d1 20%,#cf2aba 40%,#ee2c82 60%,#fb6962 80%,#fef84c 100%);--wp--preset--gradient--blush-light-purple:linear-gradient(135deg,#ffceec 0%,#9896f0 100%);--wp--preset--gradient--blush-bordeaux:linear-gradient(135deg,#fecda5 0%,#fe2d2d 50%,#6b003e 100%);--wp--preset--gradient--luminous-dusk:linear-gradient(135deg,#ffcb70 0%,#c751c0 50%,#4158d0 100%);--wp--preset--gradient--pale-ocean:linear-gradient(135deg,#fff5cb 0%,#b6e3d4 50%,#33a7b5 100%);--wp--preset--gradient--electric-grass:linear-gradient(135deg,#caf880 0%,#71ce7e 100%);--wp--preset--gradient--midnight:linear-gradient(135deg,#020381 0%,#2874fc 100%);--wp--preset--font-size--small:13px;--wp--preset--font-size--medium:20px;--wp--preset--font-size--large:36px;--wp--preset--font-size--x-large:42px;--wp--preset--spacing--20:.44rem;--wp--preset--spacing--30:.67rem;--wp--preset--spacing--40:1rem;--wp--preset--spacing--50:1.5rem;--wp--preset--spacing--60:2.25rem;--wp--preset--spacing--70:3.38rem;--wp--preset--spacing--80:5.06rem;--wp--preset--shadow--natural:6px 6px 9px rgba(0,0,0,.2);--wp--preset--shadow--deep:12px 12px 50px rgba(0,0,0,.4);--wp--preset--shadow--sharp:6px 6px 0px rgba(0,0,0,.2);--wp--preset--shadow--outlined:6px 6px 0px -3px #fff,6px 6px #000;--wp--preset--shadow--crisp:6px 6px 0px #000}:where(.is-layout-flex){gap:.5em}:where(.is-layout-grid){gap:.5em}body .is-layout-flex{display:flex}.is-layout-flex{flex-wrap:wrap;align-items:center}.is-layout-flex > :is(*, div){margin:0}body .is-layout-grid{display:grid}.is-layout-grid > :is(*, div){margin:0}:where(.wp-block-columns.is-layout-flex){gap:2em}:where(.wp-block-columns.is-layout-grid){gap:2em}:where(.wp-block-post-template.is-layout-flex){gap:1.25em}:where(.wp-block-post-template.is-layout-grid){gap:1.25em}.has-black-color{color:var(--wp--preset--color--black) !important}.has-cyan-bluish-gray-color{color:var(--wp--preset--color--cyan-bluish-gray) !important}.has-white-color{color:var(--wp--preset--color--white) !important}.has-pale-pink-color{color:var(--wp--preset--color--pale-pink) !important}.has-vivid-red-color{color:var(--wp--preset--color--vivid-red) !important}.has-luminous-vivid-orange-color{color:var(--wp--preset--color--luminous-vivid-orange) !important}.has-luminous-vivid-amber-color{color:var(--wp--preset--color--luminous-vivid-amber) !important}.has-light-green-cyan-color{color:var(--wp--preset--color--light-green-cyan) !important}.has-vivid-green-cyan-color{color:var(--wp--preset--color--vivid-green-cyan) !important}.has-pale-cyan-blue-color{color:var(--wp--preset--color--pale-cyan-blue) !important}.has-vivid-cyan-blue-color{color:var(--wp--preset--color--vivid-cyan-blue) !important}.has-vivid-purple-color{color:var(--wp--preset--color--vivid-purple) !important}.has-black-background-color{background-color:var(--wp--preset--color--black) !important}.has-cyan-bluish-gray-background-color{background-color:var(--wp--preset--color--cyan-bluish-gray) !important}.has-white-background-color{background-color:var(--wp--preset--color--white) !important}.has-pale-pink-background-color{background-color:var(--wp--preset--color--pale-pink) !important}.has-vivid-red-background-color{background-color:var(--wp--preset--color--vivid-red) !important}.has-luminous-vivid-orange-background-color{background-color:var(--wp--preset--color--luminous-vivid-orange) !important}.has-luminous-vivid-amber-background-color{background-color:var(--wp--preset--color--luminous-vivid-amber) !important}.has-light-green-cyan-background-color{background-color:var(--wp--preset--color--light-green-cyan) !important}.has-vivid-green-cyan-background-color{background-color:var(--wp--preset--color--vivid-green-cyan) !important}.has-pale-cyan-blue-background-color{background-color:var(--wp--preset--color--pale-cyan-blue) !important}.has-vivid-cyan-blue-background-color{background-color:var(--wp--preset--color--vivid-cyan-blue) !important}.has-vivid-purple-background-color{background-color:var(--wp--preset--color--vivid-purple) !important}.has-black-border-color{border-color:var(--wp--preset--color--black) !important}.has-cyan-bluish-gray-border-color{border-color:var(--wp--preset--color--cyan-bluish-gray) !important}.has-white-border-color{border-color:var(--wp--preset--color--white) !important}.has-pale-pink-border-color{border-color:var(--wp--preset--color--pale-pink) !important}.has-vivid-red-border-color{border-color:var(--wp--preset--color--vivid-red) !important}.has-luminous-vivid-orange-border-color{border-color:var(--wp--preset--color--luminous-vivid-orange) !important}.has-luminous-vivid-amber-border-color{border-color:var(--wp--preset--color--luminous-vivid-amber) !important}.has-light-green-cyan-border-color{border-color:var(--wp--preset--color--light-green-cyan) !important}.has-vivid-green-cyan-border-color{border-color:var(--wp--preset--color--vivid-green-cyan) !important}.has-pale-cyan-blue-border-color{border-color:var(--wp--preset--color--pale-cyan-blue) !important}.has-vivid-cyan-blue-border-color{border-color:var(--wp--preset--color--vivid-cyan-blue) !important}.has-vivid-purple-border-color{border-color:var(--wp--preset--color--vivid-purple) !important}.has-vivid-cyan-blue-to-vivid-purple-gradient-background{background:var(--wp--preset--gradient--vivid-cyan-blue-to-vivid-purple) !important}.has-light-green-cyan-to-vivid-green-cyan-gradient-background{background:var(--wp--preset--gradient--light-green-cyan-to-vivid-green-cyan) !important}.has-luminous-vivid-amber-to-luminous-vivid-orange-gradient-background{background:var(--wp--preset--gradient--luminous-vivid-amber-to-luminous-vivid-orange) !important}.has-luminous-vivid-orange-to-vivid-red-gradient-background{background:var(--wp--preset--gradient--luminous-vivid-orange-to-vivid-red) !important}.has-very-light-gray-to-cyan-bluish-gray-gradient-background{background:var(--wp--preset--gradient--very-light-gray-to-cyan-bluish-gray) !important}.has-cool-to-warm-spectrum-gradient-background{background:var(--wp--preset--gradient--cool-to-warm-spectrum) !important}.has-blush-light-purple-gradient-background{background:var(--wp--preset--gradient--blush-light-purple) !important}.has-blush-bordeaux-gradient-background{background:var(--wp--preset--gradient--blush-bordeaux) !important}.has-luminous-dusk-gradient-background{background:var(--wp--preset--gradient--luminous-dusk) !important}.has-pale-ocean-gradient-background{background:var(--wp--preset--gradient--pale-ocean) !important}.has-electric-grass-gradient-background{background:var(--wp--preset--gradient--electric-grass) !important}.has-midnight-gradient-background{background:var(--wp--preset--gradient--midnight) !important}.has-small-font-size{font-size:var(--wp--preset--font-size--small) !important}.has-medium-font-size{font-size:var(--wp--preset--font-size--medium) !important}.has-large-font-size{font-size:var(--wp--preset--font-size--large) !important}.has-x-large-font-size{font-size:var(--wp--preset--font-size--x-large) !important}